Cummins vs. Duramax vs. Powerstroke

These days, almost every diesel pickup truck in the Lemon Grove area is powered by one of three manufacturers: Cummins, Duramax, and Powerstroke. All three make robust, powerful diesel engines with impressive specs, and all three are found on trucks from different automakers. Cummins diesel engines are found primarily on RAM work trucks, Duramax engines are found on Chevy and GMC trucks, and Powerstroke engines are found on Ford trucks. If you’re shopping for a new diesel pickup and wondering how these three types of engines stack up to each other, San Diego Chrysler Dodge Jeep Ram is here to help! Read on for our comparison of Cummins, Powerstroke, and Duramax engines, then head to our research guide to learn more about your next model.

Duramax vs. Cummins vs. Powerstroke: Spec Comparison

Despite the fact that we’re discussing three diesel engine manufacturers, there are actually four total engines–the Cummins 6.7L Turbo-Diesel that’s found on RAM work trucks comes in both a standard and a high-output variant. We’ve organized all the relevant information–horsepower, torque, and compression ratio–into the guide below, along with a ranking of the four engines in terms of raw performance specs. Check it out:

Cummins 6.7 Turbo-Diesel Engine (Standard)

• 370 horsepower
• 850 lb-ft of torque
• 16.2:1 compression ratio
• Found on RAM commercial trucks

Cummins 6.7 Turbo-Diesel Engine (High-Output)

• 420 horsepower
• 1,075 lb-ft of torque
• 19:1 compression ratio
• Found on RAM commercial trucks

Duramax 6.6L V8 Turbo-Diesel Engine

• 445 horsepower
• 910 lb-ft of torque
• 16.0:1 compression ratio
• Found on Chevy and GMC trucks

Powerstroke 6.7L V8 Turbo-Diesel Engine

• 475 horsepower
• 1,050 lb-ft of torque
• 16.2:1 compression ratio
• Found on Ford trucks

Duramax vs. Cummins vs. Powerstroke: Spec Ranking

1. Cummins 6.7L Turbo-Diesel (high-output)
2. Powerstroke 6.7L V8 Turbo-Diesel
3. Duramax 6.6L V8 Turbo-Diesel
4. Cummins 6.7L Turbo-Diesel (standard)

Compare RAM Work Trucks at San Diego Chrysler Dodge Jeep Ram!

At San Diego Chrysler Dodge Jeep Ram, we’re proud to offer a full inventory of Chrysler, Jeep, Dodge, and RAM vehicles, including RAM pickups powered by the impressive 6.7L Cummins Turbo-Diesel engine. Now that we’ve had a chance to compare Cummins, Powerstroke, and Duramax on paper, you might want to see how the RAM diesel engine handles on the La Jolla roads! Just contact our office or stop by our dealership to set up a test drive of an available pickup, and we’ll get you behind the model. If you’re interested in a RAM work truck comparison, check out our research on the RAM 1500 towing capacity, EcoDiesel engine, and trim levels!