6.6 Duramax Vs 6.7 Powerstroke/Cummins: Best Pick?
When choosing a diesel engine, many people consider three main types:
- 6.6 Duramax
- 6.7 Powerstroke
- 6.7 Cummins
Each engine has its own features. Let’s explore these engines. We will compare their power, performance, and more. This way, you can decide which one is best for you.
Overview of Each Engine
6.6 Duramax
The 6.6 Duramax is made by General Motors. It is known for strength and durability. This engine is used in GMC and Chevrolet trucks. It is a V8 turbo-diesel engine. The Duramax has been popular since its launch in 2001.
6.7 Powerstroke
The 6.7 Powerstroke is created by Ford. This engine is also a V8 turbo-diesel. It was introduced in 2011. The Powerstroke is known for its high torque. This makes it great for towing heavy loads.
6.7 Cummins
The 6.7 Cummins is built by Cummins Inc. It is well-known in the diesel engine world. This engine is used in Ram trucks. The Cummins engine has a strong reputation for reliability. It is also a V8 turbo-diesel engine.
Power and Torque
Power and torque are very important for truck engines. Let’s see how these three engines compare.
| Engine | Horsepower | Torque |
|---|---|---|
| 6.6 Duramax | 445 hp | 910 lb-ft |
| 6.7 Powerstroke | 475 hp | 1,050 lb-ft |
| 6.7 Cummins | 370 hp | 850 lb-ft |
The 6.7 Powerstroke has the highest horsepower. It also has the most torque. The 6.6 Duramax follows close behind. The 6.7 Cummins has less power and torque. But it is still a strong engine.
Fuel Efficiency
Fuel efficiency is important for saving money. Let’s compare the fuel efficiency of these engines.
- 6.6 Duramax: About 20-22 miles per gallon (mpg) on the highway.
- 6.7 Powerstroke: About 18-20 mpg on the highway.
- 6.7 Cummins: About 19-21 mpg on the highway.
The 6.6 Duramax offers the best fuel efficiency. The 6.7 Cummins is not far behind. The 6.7 Powerstroke has the lowest fuel efficiency. But it still performs well for heavy-duty tasks.
Towing Capacity
Towing capacity is very important for truck owners. Let’s look at how much each engine can tow.
| Engine | Towing Capacity |
|---|---|
| 6.6 Duramax | Up to 36,000 lbs |
| 6.7 Powerstroke | Up to 37,000 lbs |
| 6.7 Cummins | Up to 35,000 lbs |
The 6.7 Powerstroke has the highest towing capacity. It can tow more than the others. The 6.6 Duramax is next. The 6.7 Cummins has a slightly lower capacity.
Reliability and Maintenance
Reliability is very important for any engine. Let’s see how these engines perform in this area.
- 6.6 Duramax: Known for good reliability. Regular maintenance helps keep it strong.
- 6.7 Powerstroke: Also reliable. Some owners report issues with fuel injectors.
- 6.7 Cummins: Highly regarded for its reliability. Fewer problems reported.
The 6.7 Cummins is often seen as the most reliable. The 6.6 Duramax is close behind. The 6.7 Powerstroke has some issues. But it is still a good engine.
Cost and Value
Cost is an important factor. Let’s look at the price range for these engines.
- 6.6 Duramax: Usually found in trucks starting around $35,000.
- 6.7 Powerstroke: Trucks with this engine start around $37,000.
- 6.7 Cummins: Trucks typically start around $40,000.
The 6.6 Duramax is the most affordable option. The 6.7 Powerstroke is slightly more expensive. The 6.7 Cummins is the costliest. But it can offer strong performance.
Frequently Asked Questions
What Are The Main Differences Between Duramax And Powerstroke?
Duramax engines focus on fuel efficiency, while Powerstroke engines offer higher torque. Each has unique features for specific needs.
Which Is More Reliable: 6.6 Duramax Or 6.7 Cummins?
Both engines are reliable, but many prefer the 6. 7 Cummins for durability and fewer issues over time.
How Much Horsepower Does The 6.7 Powerstroke Produce?
The 6. 7 Powerstroke engine produces around 450 horsepower, making it powerful for heavy-duty tasks.
What Is The Towing Capacity Of The 6.6 Duramax?
The 6. 6 Duramax can tow up to 36,000 pounds, depending on the truck model and configuration.
Conclusion
Choosing between the 6.6 Duramax, 6.7 Powerstroke, and 6.7 Cummins is not easy. Each engine has its strengths. Here is a quick summary:
- 6.6 Duramax: Best fuel efficiency. Good power and towing.
- 6.7 Powerstroke: Highest power and towing capacity. Some reliability issues.
- 6.7 Cummins: Most reliable engine. Good power but more expensive.
Think about what you need. Do you want power, fuel efficiency, or reliability? Each engine offers something different. Make the choice that fits your needs best.
In the end, all three engines have proven their worth. They each have strong followings. Many truck owners are happy with their choices. Consider your needs and budget. Then, choose the engine that works for you.
