Comparing Dodge Cummins Models Across the Years: A Comprehensive Analysis
Comparing Dodge Cummins models across the years can be a daunting task, as there are many different models to choose from. Each model has its own unique features, specifications, and capabilities. However, by comparing the various models, you can make an informed decision about which one is right for you.
The history of Dodge Cummins models dates back to the late 1980s, when the first Cummins engine was introduced.
Since then, Dodge has continued to innovate and improve its Cummins models, bringing new advancements in engine performance, reliability, and towing capacity each year.
By understanding the history of Dodge Cummins models, you can better appreciate the evolution of these powerful trucks.
When comparing Dodge Cummins models across the years, there are several factors to consider, including engine performance and specifications, reliability and durability, towing and hauling capabilities, transmission and mechanical aspects, interior and infotainment features, emissions and fuel economy, suspension and under the hood features, reviews and ratings, and pros and cons of each model.
By considering all of these factors, you can make an informed decision about which Dodge Cummins model is right for you.
Key Takeaways
- Comparing Dodge Cummins models across the years can help you make an informed decision about which one is right for you.
- The history of Dodge Cummins models dates back to the late 1980s, with each year bringing new advancements in engine performance, reliability, and towing capacity.
- When comparing Dodge Cummins models, it’s important to consider factors such as engine performance, reliability and durability, towing and hauling capabilities, transmission and mechanical aspects, interior and infotainment features, emissions and fuel economy, suspension and under the hood features, reviews and ratings, and pros and cons of each model.
History of Dodge Cummins Models
When Dodge introduced the Cummins diesel engine in 1989, it revolutionized the truck industry.
The first-generation Dodge Cummins trucks were powered by a 5.9-liter 12-valve engine that produced 160 horsepower and 400 lb-ft of torque.
These trucks were a huge success and were used mainly for agricultural purposes. The first generation of Dodge Cummins trucks spanned from 1989 to 1993.
In 1994, the second generation of Dodge Cummins trucks was introduced. These trucks featured a revised version of the 5.9-liter engine that produced 175 horsepower and 420 lb-ft of torque.
The second-generation trucks also featured a new interior and exterior design. These trucks were produced until 1998.
The third generation of Dodge Cummins trucks debuted in 1999. These trucks featured a redesigned version of the 5.9-liter engine that produced 235 horsepower and 460 lb-ft of torque.
The third-generation trucks also featured a new body style and interior design. These trucks were produced until 2002.
In 2003, the fourth generation of Dodge Cummins trucks was introduced. These trucks featured a new 5.9-liter engine that produced 305 horsepower and 555 lb-ft of torque.
The fourth-generation trucks also featured a new body style and interior design. These trucks were produced until 2007.
In 2007, the fifth generation of Dodge Cummins trucks was introduced. These trucks featured a new 6.7-liter engine that produced 350 horsepower and 650 lb-ft of torque.
The fifth-generation trucks also featured a new body style and interior design. These trucks were produced until 2010.
In 2011, the sixth generation of Dodge Cummins trucks was introduced. These trucks featured a revised version of the 6.7-liter engine, producing 350 horsepower and 800 lb-ft of torque.
The sixth-generation trucks also featured a new body style and interior design. These trucks were produced until 2018.
In 2019, the seventh and current generation of Dodge Cummins trucks was introduced. These trucks feature a new 6.7-liter engine that produces up to 400 horsepower and 1,000 lb-ft of torque.
The current generation of Dodge Cummins trucks also features a new body style and interior design.
When possible, we have created tables to highlight the key differences between each generation of Dodge Cummins trucks:
| Generation | Years | Engine | Horsepower | Torque |
|---|---|---|---|---|
| First | 1989-1993 | 5.9L 12-valve | 160 | 400 |
| Second | 1994-1998 | 5.9L 12-valve | 175 | 420 |
| Third | 1999-2002 | 5.9L 24-valve | 235 | 460 |
| Fourth | 2003-2007 | 5.9L 24-valve | 305 | 555 |
| Fifth | 2007-2010 | 6.7L 24-valve | 350 | 650 |
| Sixth | 2011-2018 | 6.7L 24-valve | 350 | 800 |
| Seventh | 2019-Now | 6.7L 24-valve | 400 | 1,000 |
It is important to note that within each generation, there were also various updates and changes made to the engine, transmission, suspension, and other components.
Doing thorough research and consult with experts before purchasing a used Dodge Cummins truck is always recommended.
Engine Performance and Specifications
When comparing Dodge Cummins models across the years, one of the most important aspects to consider is engine performance and specifications.
The Cummins engine has been powering Dodge Ram trucks for over three decades, and there have been significant changes and improvements over the years.
The 5.9L Cummins engine was popular in the second and third generation Dodge Ram trucks. The 12-valve Cummins engine was introduced in 1989, producing 160 horsepower and 400 lb-ft of torque.
Over the years, the engine was improved with the addition of a turbocharger, intercooler, and a common-rail injection system.
By 2006, the 5.9L Cummins engine was producing 325 horsepower and 610 lb-ft of torque.
2007 the 6.7-liter Cummins engine was introduced with a variable geometry turbo and a common-rail injection system.
This engine was designed to meet stricter emissions regulations and produced 350 horsepower and 650 lb-ft of torque.
The 6.7-liter Cummins engine is still used today and has been improved over the years to produce even more power.
Here is a table comparing the horsepower and torque of the 5.9L and 6.7-liter Cummins engines:
| Engine | Horsepower | Torque |
|---|---|---|
| 5.9L Cummins | 325 | 610 |
| 6.7-liter Cummins | 400 | 1000 |
It is important to note that horsepower and torque are not the only factors to consider when comparing engine performance.
The CP3 pump, turbocharger, and other components can also affect the engine’s overall performance.
The Cummins engine has undergone significant changes and improvements over the years, resulting in increased power and performance.
When comparing Dodge Cummins models across the years, it is important to consider the engine specifications and performance to determine which model is right for you.
Reliability and Durability
Reliability and durability are crucial factors to consider when it comes to a heavy-duty truck like the Dodge Cummins.
The Cummins engine has a reputation for being a reliable and durable powerhouse, but there are some years that stand out as better or worse than others.
The best years for the Cummins engine are 2004, 2008, 2011, 2014, and 2019. These years are known for their outstanding reliability and durability.
On the other hand, the worst years for the Cummins engine are 1992, 1999, 2001, 2003, and 2006. These years are known for having more issues and being less reliable overall.
One of the reasons for the Cummins engine’s reliability and durability is its inline six design. This design provides more strength and stability than other engine designs, making it better equipped to handle heavy loads and tough terrain.
Additionally, the Cummins engine is known for its outstanding torque, which allows it to tow and haul with ease.
If you’re looking for a Cummins engine that is reliable and durable, it’s important to do your research and choose a model year with a proven track record.
Consider factors like towing capacity, payload capacity, and overall performance when making your decision.
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Towing and Hauling Capabilities
When it comes to towing and hauling capabilities, the Dodge Cummins models are well-known for their impressive performance.
Whether you need to tow a trailer or haul heavy cargo, these trucks are designed to easily handle the job.
A key factor determining a truck’s towing and hauling capabilities is its engine. The Cummins diesel engine is popular among truck enthusiasts due to its high output and reliability.
The 5.9L and 6.7L Cummins engines are the most common engines found in Dodge Cummins models.
A Dodge Cummins model’s towing and hauling capabilities can vary depending on the engine, transmission, and other features.
Here’s a breakdown of the towing and hauling capabilities of some popular Dodge Cummins models:
| Model | Towing Capacity | Payload Capacity |
|---|---|---|
| 1994-1998 Ram 2500 & 3500 | Up to 12,000 lbs. | Up to 4,000 lbs. |
| 2003-2009 Ram 2500 & 3500 | Up to 16,350 lbs. | Up to 5,130 lbs. |
| 2010-2018 Ram 2500 & 3500 | Up to 31,210 lbs. | Up to 7,390 lbs. |
| 2019-2023 Ram 2500 & 3500 | Up to 37,100 lbs. | Up to 7,680 lbs. |
As you can see, Dodge Cummins models’ towing and hauling capabilities have increased significantly over the years.
The 2019-2023 Ram 2500 & 3500 models can tow up to 37,100 lbs. when properly equipped, which is impressive.
In addition to the engine, other features that can impact towing and hauling capabilities include the suspension, brakes, and towing package.
It’s important to choose a Dodge Cummins model with the right features to meet your towing and hauling needs.
Overall, a Dodge Cummins model is worth considering if you’re in the market for a truck with impressive towing and hauling capabilities.
With its powerful engine and reliable performance, you can trust that it will get the job done.
Transmission and Mechanical Aspects
When it comes to Dodge Cummins models across the years, the transmission and mechanical aspects are important factors to consider.
Let’s take a closer look at these aspects and how they vary across different models.
Transmission
Dodge Cummins models have had both manual and automatic transmission options available over the years.
The manual transmission is generally considered to be more reliable and durable than the automatic transmission.
However, if you prefer an automatic transmission, newer models tend to have more reliable transmissions than older ones.
Mechanical Aspects
Mechanical aspects such as engine and transmission failure can be a major concern when considering a used Dodge Cummins.
It’s important to note that some years and models are more prone to mechanical issues than others.
For example, the 1998.5-2002 Dodge Cummins models are known for having fuel system issues, while the 2007.5-2012 models are known for having turbocharger problems.
To help you understand the differences between different Dodge Cummins models, here is a table comparing some key mechanical aspects:
| Model Year | Engine | Transmission | Common Mechanical Issues |
|---|---|---|---|
| 1994-1998 | 5.9L | Manual | Injection pump failure |
| 1998.5-2002 | 5.9L | Automatic | Fuel system issues |
| 2003-2007 | 5.9L | Manual/Auto | Head gasket failure |
| 2007.5-2012 | 6.7L | Manual/Auto | Turbocharger problems |
| 2013-2018 | 6.7L | Manual/Auto | EGR/DEF system problems |
| 2019-2023 | 6.7L | Manual/Auto | No major issues reported |
It’s important to note that these are just some of the common mechanical issues that have been reported for each model year.
Your individual experience may vary depending on factors such as maintenance history and driving habits.
Interior and Infotainment Features
When comparing Dodge Cummins models across the years, it’s essential to consider the interior and infotainment features.
As technology has advanced, newer models have more advanced features than older ones.
One of the significant changes to the interior of newer models is the addition of keyless ignition. This feature allows you to start the vehicle without using a key, making it more convenient.
Another important aspect to consider is the infotainment system. The infotainment system in a vehicle includes features like navigation, audio, and communication systems.
Newer models have more advanced infotainment systems than older ones.
For example, the 2022 Ram Truck Lineup comes with the latest Uconnect 5 system with a 12.0-inch or 8.4-inch touchscreen display.
In comparison, older models like the 2013 RAM 1500 have a micro SD card slot, AM/FM radio, and audio streaming capability.
Here’s a table that compares the infotainment features of Dodge Cummins models across the years:
| Model Year | Infotainment Features |
|---|---|
| 2006 | AM/FM radio |
| 2013 | Micro SD card slot, AM/FM radio, audio streaming capability |
| 2018 | HD Radio, internet hotspot, Android phone integration |
It’s also worth noting that newer models have more advanced audio systems.
For example, the 2022 Ram 2500 and 3500 come with a 17-speaker Harman Kardon audio system, while older models have a standard audio system.
Finally, newer models come with Apple CarPlay, which allows you to connect your iPhone to the vehicle’s infotainment system.
This feature allows you to access your phone’s apps and features through the vehicle’s touchscreen display.
In summary, newer Dodge Cummins models have more advanced interior and infotainment features than older ones.
When considering which model to purchase, it’s essential to weigh the importance of these features against the cost of the vehicle.
Emissions and Fuel Economy
When it comes to emissions and fuel economy, the Dodge Cummins models have seen some improvements over the years.
The 2020 EPA Automotive Trends Report shows that since Model Year 1975, there has been a steady increase in fuel economy and a decrease in CO2 emissions.
In Model Year 2014, the manufacturer estimated real-world fuel economy and tailpipe CO2 emissions were at their best.
However, it’s important to note that some Dodge Cummins models have had emissions and fuel efficiency issues.
For example, the 1992 model year has been rated as one of the worst for the Cummins diesel engine due to its poor fuel economy.
The 2003 model year also received poor ratings for fuel efficiency and high emissions.
Regarding injection pumps, the 5.9L Cummins with Bosch VP44 injection pump has been known to have issues with fuel efficiency and emissions.
This injection pump was used in the 1998.5-2002 Dodge Cummins models and has been known to fail prematurely, causing fuel economy and emissions issues.
To highlight the differences in fuel economy across different Dodge Cummins models, we’ve created a table below:
| Model Year | Fuel Economy (City) | Fuel Economy (Highway) |
|---|---|---|
| 1998 | 14 mpg | 19 mpg |
| 2003 | 14 mpg | 19 mpg |
| 2008 | 14 mpg | 20 mpg |
| 2013 | 14 mpg | 19 mpg |
| 2020 | 17 mpg | 23 mpg |
As you can see, there hasn’t been much improvement in fuel economy over the years, with most models averaging around 14 mpg in the city and 19-20 mpg on the highway.
However, the 2020 model year does show some improvement with an average of 17 mpg in the city and 23 mpg on the highway.
Finally, some Dodge Cummins models have been equipped with Exhaust Gas Recirculation (EGR) systems to help reduce emissions.
However, these systems have been known to cause engine performance and fuel efficiency issues. It’s important to remember this when considering a Dodge Cummins model with an EGR system.
Suspension and Under the Hood Features
When it comes to comparing Dodge Cummins models across the years, one of the most important areas to consider is the suspension and under the hood features.
Let’s take a closer look at what you can expect from different generations of Dodge Cummins trucks.
Suspension
The suspension of a truck is critical for providing a smooth ride and ensuring that the vehicle can handle heavy loads.
Here’s a breakdown of the suspension features you can expect from different Dodge Cummins models:
| Model Year | Suspension Features |
|---|---|
| 1989-1993 | Solid front axle with leaf springs |
| 1994-2002 | Independent front suspension with coil springs |
| 2003-2009 | Solid front axle with coil springs |
| 2010-2018 | Independent front suspension with coil springs |
| 2019-2023 | Optional air suspension |
As you can see, Dodge Cummins trucks have evolved over the years to include more advanced suspension systems.
The addition of coil springs and independent front suspension have helped to provide a smoother ride, while the optional air suspension on newer models offers even more comfort and control.
Under the Hood
Of course, the engine is the heart of any truck, and the Dodge Cummins is no exception.
Here’s a breakdown of the under the hood features you can expect from different Dodge Cummins models:
| Model Year | Engine Features |
|---|---|
| 1989-1993 | 5.9L Cummins 12-valve diesel engine |
| 1994-1998 | 5.9L Cummins 12-valve diesel engine |
| 1998.5-2002 | 5.9L Cummins 24-valve diesel engine |
| 2003-2007 | 5.9L Cummins 24-valve diesel engine |
| 2007.5-2018 | 6.7L Cummins diesel engine |
| 2019-2023 | 6.7L Cummins diesel engine |
As you can see, the engine has become more powerful over the years, with the addition of more valves and increased displacement.
The 6.7L Cummins diesel engine, which was first introduced in 2007.5, is known for its impressive power and torque.
It’s also worth noting that newer models may come with additional features like exhaust brakes and smart diesel exhaust braking technology, which can help to improve performance and efficiency.
Overall, the suspension and under the hood features of Dodge Cummins trucks have evolved significantly over the years.
Whether you’re looking for a smooth ride or impressive power, there’s a model out there that can meet your needs.
Reviews and Ratings
When it comes to comparing Dodge Cummins models across the years, reviews and ratings are a great place to start.
Here’s a breakdown of reviews and ratings for some of the most popular Dodge Cummins models:
First Generation (1989-1993)
The first generation of Dodge Cummins models received mixed reviews. While some drivers praised the power and torque of the Cummins engine, others complained about the lack of interior space and comfort.
According to Consumer Reports, the 1993 Dodge Ram 250 received an overall score of 55 out of 100. This was due in part to poor reliability ratings for the engine and transmission.
Second Generation (1994-2002)
The second generation of Dodge Cummins models saw significant power and interior comfort improvements.
The 1998 Dodge Ram 2500 received an overall score of 78 out of 100 from Consumer Reports, with high marks for reliability and performance. However, some drivers complained about the transmission and suspension.
Third Generation (2003-2009)
The third generation of Dodge Cummins models received high praise for their power and towing capacity.
The 2006 Dodge Ram 2500 received an overall score of 81 out of 100 from Consumer Reports, with high marks for reliability and performance.
However, some drivers complained about the fuel economy and interior quality.
Fourth Generation (2010-2018)
The fourth generation of Dodge Cummins models saw significant improvements in both power and fuel economy.
The 2014 Ram 2500 received an overall score of 76 out of 100 from Consumer Reports, with high marks for reliability and performance.
However, some drivers complained about the ride comfort and transmission.
Fifth Generation (2019-Present)
The fifth generation of Dodge Cummins models is still relatively new, but early reviews have been positive.
The 2021 Ram 2500 received an overall score of 75 out of 100 from Consumer Reports, with high marks for reliability and performance.
However, some drivers have complained about the high price and lack of standard features.
Overall, reviews and ratings can be a helpful tool when comparing Dodge Cummins models across the years.
While each generation has its strengths and weaknesses, it’s important to consider your specific needs and preferences when choosing a Dodge Cummins model.
Share Your Insights With US
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Pros and Cons of Dodge Cummins Models
Dodge Cummins models have been around since 1989 and have been a popular choice for truck enthusiasts ever since.
Each generation has pros and cons, and it’s important to understand them before purchasing. In this section, we’ll take a look at some of the pros and cons of the different Dodge Cummins models.
First Generation (1989-1993)
The first-generation Dodge Cummins models were known for their reliability and durability. They were also relatively lightweight and had excellent fuel economy.
However, they were prone to rust and had some electrical problems as they aged.
Additionally, automatic transmission models may require some work and can be gutless without turning up the VE injection pump.
Second Generation (1994-2002)
The second-generation Dodge Cummins models were known for their power and improved fuel efficiency.
They also had a more comfortable interior and were generally easier to work on. However, they were prone to cracking and had some issues with the fuel system.
They were also more expensive than the first-generation models.
Third Generation (2003-2009)
The third-generation Dodge Cummins models were known for their power and towing capacity.
They also had a more comfortable ride and better handling than previous generations.
However, they were prone to transmission problems, and some owners reported issues with the fuel system. They were also more expensive than previous generations.
Fourth Generation (2010-2018)
The fourth-generation Dodge Cummins models were known for their power and improved fuel efficiency.
They also had a more comfortable interior and better handling than previous generations.
However, they were prone to some transmission problems and had some issues with the DEF system. They were also more expensive than previous generations.
Fifth Generation (2019-Present)
The fifth-generation Dodge Cummins models are known for their power and improved technology.
They have a more advanced infotainment system and improved towing capacity. However, they are more expensive than previous generations, and some owners have reported issues with the DEF system.
Overall, Dodge Cummins models are a great choice for truck enthusiasts who need power and reliability.
Each generation has its pros and cons, so it’s important to do your research before making a purchase.
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Innovations and Improvements
Over the years, Dodge Cummins models have seen a number of innovations and improvements that have made them more powerful, efficient, and reliable.
Here are some of the most significant improvements that have been made to the Dodge Cummins models over the years.
Integrated Exhaust Brake
One of the most significant innovations in the Dodge Cummins models is the integrated exhaust brake. The exhaust brake is designed to slow down the vehicle by restricting the flow of exhaust gases, which creates back pressure and slows down the engine.
This is particularly useful when driving down steep hills or when towing heavy loads. The exhaust brake was first introduced in the 2007 models and has been a standard feature in all models since then.
Improvements in Fuel Efficiency
Another major improvement in the Dodge Cummins models is the increase in fuel efficiency.
The newer models have seen significant improvements in fuel efficiency due to advancements in engine technology and the use of lighter materials.
For example, the 2023 Ram 2500 has an estimated fuel economy of 20 mpg in the city and 28 mpg on the highway, significantly improving over the earlier models.
Innovations in Engine Technology
Dodge Cummins models have also seen significant innovations in engine technology over the years.
The newer models have more powerful engines that are capable of producing more horsepower and torque than the earlier models.
This is due to advancements in engine design, the use of lighter materials, and the use of advanced fuel injection systems.
For example, the 2023 Ram 2500 has a 6.7-liter Cummins diesel engine that produces 400 horsepower and 1000 lb-ft of torque.
Table: Improvements in Dodge Cummins Models
| Model Year | Improvements |
|---|---|
| 2007 | Integrated Exhaust Brake |
| 2011 | Increased Fuel Efficiency |
| 2014 | More Powerful Engine |
| 2019 | Improved Towing Capacity |
| 2023 | Increased Fuel Efficiency and More Powerful Engine |
As you can see, there have been significant improvements in the Dodge Cummins models over the years.
From the integrated exhaust brake to improvements in fuel efficiency and engine technology, the newer models are more powerful, efficient, and reliable than ever before.
Sales and Market Performance
The Dodge Cummins has been a popular choice among truck enthusiasts for decades. In terms of sales, the Dodge Ram 2500 and 3500 with the Cummins engine have consistently been top performers.
According to Motor Trend, Ram Trucks sold over 633,000 units in 2019, which is an increase of 18% from the previous year.
The Ram 2500 and 3500 models with the Cummins engine are a significant portion of those sales.
One reason for the popularity of the Dodge Cummins is its reliability and durability. The Cummins engine has a reputation for being a workhorse and able to handle heavy loads.
This has made it a popular choice for those who need a truck for towing and hauling.
Additionally, the Cummins engine is known for its fuel efficiency, which has made it an attractive option for those who use their truck for work and need to keep fuel costs low.
Over the years, the Dodge Cummins has undergone several changes and improvements.
For example, the fourth and fifth generations of the Cummins engine are generally considered to be better than the previous three generations.
According to Four Wheel Trends, the best years for the Cummins engine are 2004, 2008, 2011, 2014, and 2019. The worst years are 1992, 1999, 2001, 2003, and 2006.
Despite some issues with certain years of the Cummins engine, the Dodge Ram with the Cummins engine continues to be a popular choice among truck buyers.
The combination of power, fuel efficiency, and reliability has made it a standout in the market.
Additionally, the partnership between Cummins and Ram Trucks has been going strong for over 30 years, which has helped to solidify the Dodge Cummins as a top performer in the truck market.
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Frequently Asked Questions
What are the different generations of Cummins?
There are six generations of Cummins engines used in Dodge Ram pickups. Here is a breakdown of the different generations:
- 1st Generation (1989-1993): Known as the 12-valve Cummins, these engines were rated at 160-180 horsepower and 400-420 lb-ft of torque.
- 2nd Generation (1994-1998): Also known as the P-pump engine, these engines were rated at 215-235 horsepower and 440-460 lb-ft of torque.
- 3rd Generation (1998.5-2002): These engines were the first to feature the 24-valve design and were rated at 235-245 horsepower and 460-505 lb-ft of torque.
- 4th Generation (2003-2007): These engines were rated at 305-325 horsepower and 555-610 lb-ft of torque.
- 5th Generation (2007.5-2018): These engines were rated at 350-385 horsepower and 650-930 lb-ft of torque.
- 6th Generation (2019-present): These engines are rated at 370-420 horsepower and 850-1075 lb-ft of torque.
What year Ram Cummins is the most reliable?
According to experts, the 2004 Dodge Ram 2500 5.9L Cummins is one of the most reliable years for the Ram Cummins. This model year is known for its durability, longevity, and overall performance. It has a reputation for being a workhorse and is often used for heavy-duty tasks.
What year is the best 5.9 Cummins?
The 5.9L Cummins engine is a popular choice among Dodge Ram enthusiasts. The best year for the 5.9L Cummins engine is often debated, but many experts agree that the 2006 Dodge Ram 2500 5.9L Cummins is the best year for this engine. This model year has a reputation for being reliable, durable, and long-lasting.
What year did Dodge stop using 5.9 Cummins?
Dodge stopped using the 5.9L Cummins engine after the 2007 model year. In 2007, Dodge introduced the 6.7L Cummins engine, which replaced the 5.9L Cummins engine.
Best year Dodge Cummins to buy
The best year Dodge Cummins to buy depends on your needs and preferences. If you are looking for a reliable and durable engine, the 2004 Dodge Ram 2500 5.9L Cummins is a good choice. If you want a newer engine with more power, the 2019 Dodge Ram 2500 6.7L Cummins is a great option. It is important to consider your budget, intended use, and personal preferences when choosing a Dodge Cummins model.
Best and worst years for 6.7 Cummins
The 6.7L Cummins engine was first introduced in 2007 and is still being used in current Dodge Ram models. In general, the 6.7L Cummins engine is known for its reliability and durability. However, there have been some model years that have had issues. Here are the best and worst years for the 6.7L Cummins engine:
- Best years: 2011, 2014, and 2019
- Worst years: 2007 and 2010
It is important to note that not all engines manufactured during these years will have issues, and regular maintenance can help prevent problems.