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Which is better, Ford diesel or GMC diesel?


When it comes to choosing between Ford diesel and GMC diesel engines, the decision can be challenging. Both brands have a long history of producing reliable and powerful diesel trucks, but they cater to slightly different needs and preferences. As the owner of Kevin's Autos, with years of experience in car maintenance and repair, I’ll break down the key differences to help you make an informed decision.


Performance and Power


Both Ford and GMC offer impressive diesel engines, but they excel in different areas:



  • Ford Diesel: Ford’s Power Stroke engines are known for their high torque output and towing capacity. The 6.7L Power Stroke V8 Turbo Diesel, for example, delivers exceptional power, making it a favorite among those who need heavy-duty performance for towing and hauling.

  • GMC Diesel: GMC’s Duramax engines are celebrated for their smooth performance and fuel efficiency. The 6.6L Duramax Turbo-Diesel V8 is a standout, offering a balance of power and refinement, which appeals to drivers who prioritize comfort alongside capability.


Reliability and Durability


Reliability is a critical factor when choosing a diesel engine, especially for long-term use:



  • Ford Diesel: Ford trucks are built tough, and their diesel engines are designed to withstand rigorous use. However, some older Power Stroke models, such as the 6.0L, have faced criticism for reliability issues. Newer models have addressed these concerns and are highly dependable.

  • GMC Diesel: GMC’s Duramax engines have a reputation for longevity and durability. They are often praised for their robust construction and fewer reported issues over time, making them a solid choice for those seeking long-term reliability.


Technology and Features


Modern diesel trucks are packed with advanced technology to enhance performance and convenience:



  • Ford Diesel: Ford trucks often come equipped with cutting-edge features like Pro Trailer Backup Assist and advanced driver-assistance systems. These features make Ford a great option for tech-savvy drivers.

  • GMC Diesel: GMC trucks focus on comfort and luxury, offering features like the MultiPro Tailgate and premium interior options. If you value a refined driving experience, GMC might be the better choice.


Cost and Maintenance


Cost is always a consideration, both upfront and in terms of maintenance:



  • Ford Diesel: Ford diesel trucks are often priced competitively, but maintenance costs can vary depending on the model and year. Regular servicing is essential to keep the Power Stroke engines running smoothly.

  • GMC Diesel: GMC diesel trucks tend to have slightly higher upfront costs, but their maintenance needs are generally straightforward. Duramax engines are known for their ease of maintenance, which can save money in the long run.


Conclusion: Which One is Right for You?


The choice between Ford diesel and GMC diesel ultimately depends on your specific needs and preferences:



  • Choose Ford Diesel if you need maximum towing capacity, cutting-edge technology, and a truck built for heavy-duty tasks.

  • Choose GMC Diesel if you prioritize fuel efficiency, long-term reliability, and a comfortable, refined driving experience.


At Kevin's Autos, we’ve worked on countless Ford and GMC diesel trucks over the years. Both brands offer excellent options, and with proper maintenance, either can serve you well for years to come. If you’re still unsure, feel free to reach out to us for personalized advice or to schedule a consultation!


Frequently Asked Questions

What is the most reliable diesel semi truck engine?


The DD15 is often regarded as the best Engine and is widely used by truck manufacturers. Mercedes diesel engines, which are sometimes seen in Freightliner trucks, are also produced by Daimler, which owns Detroit Diesel. Daimler also owns Freightliner and Western Star.



What brand of truck makes the best diesel?


The Best Diesel Trucks Ranked

  • 2023 Ford Duty F-350.
  • 2023 Ford Duty F-450.
  • 2023 Chevrolet Silverado 1500.
  • 2023 Jeep Gladiator.
  • 2023 GMC Sierra 1500.
  • 2023 Ram Pickup 1500.
  • 2023 Ram 2500.
  • 2023 Ram 3500. Finally, we have Ram's heavy-duty powerhouse, the 2023 RAM 3500.



Which is more reliable, Duramax or Powerstroke?


Power Stroke engines typically require regular maintenance but hold up well, and Duramax engines, while robust, can sometimes require more involved maintenance procedures. Additional research into these engine models can be used for finding out if any recalls or common issues have popped up.



Is Cummins better than Duramax?


The Duramax's advanced engineering provides excellent performance and longevity, but Cummins' decades-long track record gives it a slight edge in this category. Maintenance is a key consideration when choosing a diesel engine, and Duramax engines are often praised for their user-friendly design.



What diesel engine has the least problems?


Reliability of diesel cars aged up to five years old

RankMake and modelScore
12015-2022 Renault Kadjar diesel98.6%
22012-2019 BMW 3 Series diesel96.5%
3BMW 3 Series diesel (2019-present)96.0%
4Skoda Kodiaq diesel (2016-present)94.7%



Which diesel is best quality?


A premium diesel has a higher cetane number, better lubricity and includes detergents that provide injector-cleaning capability versus standard #2 diesel.



Is a 6.7 Cummins better than a 6.6 Duramax?


If towing capacity is your top priority, the Cummins diesel engine has a slight advantage. Thanks to its immense torque, the Cummins engine allows Ram trucks to achieve a higher maximum towing capacity compared to Duramax-equipped trucks.



Who has the best diesel engine right now?


What Are the 5 Best Diesel Truck Engines?

  1. Chrysler 3.0L EcoDiesel I-6. Diesel goes light-duty.
  2. High Output 6.7L Cummins V8.
  3. Duramax 6.6L LBZ V8.
  4. Navistar/Ford 7.3L Power Stroke.
  5. Ford 6.7L Power Stroke V8.



What diesel brand is best?


What Are the Best Diesel Oil Brands?

  • Heavy Duty Engine Oil Archives | CAM2.
  • DIESEL ENGINE OIL BRANDS | Castrol® USA.
  • Delo: Choose The Right Engine Oil | Chevron Lubricants (US)
  • Diesel engine oil | Mobil™
  • Rotella T6 Synthetic Diesel Oils | Shell.
  • Diesel & Commercial Motor Oil | Valvoline.



Is Ford or Chevy diesel better?


On average, Ford trucks have higher reliability ratings than GM trucks. Ford diesel engines are known for lasting between 300,000 and 500,000 miles. Still, proper maintenance is key. Your GM diesel engine might also last up to 500,000 miles –but only if you take care of it.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.