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Which is better—the 6.7L Powerstroke, or the 6.6L Duramax?
I am finally ready to buy my first new work truck. Other people on my crew have major opinions about which engine is best for hauling (I own a construction company), but I want to make an informed choice, Which is better, the 6.7L Powerstroke, or the 6.6L Duramax engine?
Lynell Spencer · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
You are right! This can be a very loaded question. And, while there is more to think about than just the engine, it is one of the most important parts of picking a work vehicle.
**The 6.7L Powerstroke beats Duramax in towing capacity and reliability, while Duramax wins fuel economy and torque. **
Engine | Towing capacity | Best fuel economy | Torque | Horsepower | Reliability | Popularity | Warranty |
|---|---|---|---|---|---|---|---|
Powerstroke | 34,000 lbs max | F150 SuperCrew- 25 MPG highway | 650 lbs/foot max | up to 450 | Engine 500,000 mi- overall higher reliability ratings on avg. | Ford has the most popular trucks in America | Medium duty trucks—250,000 miles, all others- 5 years or 100,000 miles |
Duramax | 23,300 lbs max | Silverado- 33 MPG highway | 765 lbs/foot max | up to 445 | Engine 500,000 mi- lower reliability ratings in avg. | GMC ranks behind Ford and Dodge | 5 years or 100,000 miles |
In many ways, these engines are similar—so think about what you need most from your truck so you make the best choice for you.
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