ROYAL RUMBLE: Duramax vs. Cummins vs. Power Stroke

3D render of car wheels competition on speed trackIt’s a knockdown, drag-out street fight and only one diesel engine will reign supreme! Well, it may not be that dramatic– but the three titans of consumer-level diesel engines have been very competitive for a long time. Read EngineTech’s analysis below to help you decide which heavyweight you are going to put in your corner.

THE CONTENDERS

Power Stroke: Diesel engines found in Ford vehicles, originally produced by Navistar International in the mid-1990s and now manufactured in-house.

Cummins: Founded in 1919, Cummins Engine Company was created to perfect the diesel engine. Cummins Inc. products are now found in Dodge and Nissan trucks.

Duramax: The Duramax diesel engine was first designed, manufactured and distributed in 2001 by DMAX– a joint venture of General Motors and Isuzu. Commonly installed in light- and medium-duty diesel vehicles.

THE WEIGH-IN

Between the three major brands of diesel engines, each has its strengths and weaknesses. Let’s take a round-by-round look at the advantages and disadvantages:


Payload

Fuel economy
Torque
Horsepower

 

PowerStroke
Highest
Poor
High
Highest

Cummins
Average
Good
High
Lowest

Duramax
Lowest
Great
Average
Average

**NOTE: Comparisons based on similarly sized engines of each manufacturer.

THE DECISION

As you can see, there are arguments for all three– it’s up to you to decide what’s most valuable. Determine your needs and set them against each diesel engine, checking off where they succeed. Other resources include test drives, consumer reports, reviews and yearly awards.

Our consultants at EngineTech can also offer advice and guidance when planning on adding, restoring or upgrading a diesel vehicle in your fleet. Contact or visit us with your questions and concerns today!