Are Duramax expensive to maintain?

Duramax engines require more maintenance than usual, but they are more environmentally friendly due to the kind of fuel they use. On average, you can expect to pay about $600 per year to maintain a Duramax engine.
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What years should I not buy a Duramax?

Quick Answer: Avoid Duramax Year Models 2001-2010

The first engine was the 6.6L Duramax LB7 used in the 2001 – 2004 Chevrolet Kodiak, Chevrolet Silverado, GMC Topkick, and GMC Sierra HD. It was the simplest in the lineup because it did not have a diesel particulate filter (DPF) or exhaust gas recirculation (EGR).
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Is a Duramax diesel reliable?

Duramax engines are extremely reliable over time; there are plenty on the road today that still runs like new even though they're approaching or exceeding 100,000 miles!
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How many miles can a Duramax last?

The Duramax™ 6.6L V8 Turbo Diesel Engine is sold with a warranty of 100,000 miles/160,000 kilometers. The Duramax™ has been tested to survive upwards of 200,000 miles/320,000 kilometers.
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How many miles will a Duramax 6.6 last?

Even when used extensively for towing and hauling, Powerstroke, Cummins and Duramax diesel trucks typically last well beyond 100,000 miles.
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Diesel vs Gas Truck | Cost of Ownership | Daily Driver Gas or Diesel Truck | Bundys Garage



How long will a Allison Transmission last?

These trucks can (and do) regularly hit 200,000 miles. The truck and drivetrain will only last as long as you maintain it, though. There are parts that fail, just like anything else. But regular maintenance (fluid changes, body upkeep, hard part care) will help you have a very long relationship with your truck.
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What are the problems with the 6.6 Duramax?

Water Pump Problems Are Common

These impellers are extremely weak and prone to failure. Water pumps on Duramax engines are also prone to leaking. These leaks can result in engine overheating issues. Water pump leaks also affect system pressure, which can result in coolant supply inadequacies.
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Is Duramax better than Cummins?

The Duramax leads with horsepower, but the Cummins is the king of torque with numbers up to 1,000 ft-lbs depending on the truck.
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Is buying a diesel truck worth it?

“Heavy-duty diesels—they hold their residual value better,” says Barta. “Customers really value that power and that additional towing capability and they're willing to pay for it.” According to Kelley Blue Book valuations, diesel trucks are consistently worth more than gas in the used market.
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How much does it cost to rebuild a Duramax diesel?

Depending on on the rebuilder, a Duramax engine replacement is going to cost at least $15,000. Depending on the year and other potential issues or wishes of the customer, you could expect a range likely between $15,000 and $25,000 for Duramax engine replacement.
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What year Duramax is most reliable?

LBZ: 2006 – 2007

It has the best potential for performance and horsepower additions through various Duramax parts mods and tuning. Built stronger and more durable than previous engines, the LBZ is reliable and powerful.
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What's the best year Duramax?

The best Duramax diesel engine year models that are safe to buy include:
  • 2010 – 2017 Duramax LGH.
  • 2011 – 2016 Duramax LML.
  • 2011 – 2021 Duramax XLD25.
  • 2012 – 2021 Duramax XLD28.
  • 2014 – 2021 Duramax LWN.
  • 2017 – 2021 Duramax L5P.
  • 2019 – 2021 Duramax LM2.
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What is the most reliable diesel truck engine?

The 7.3L Powerstroke is still considered one of the most reliable diesel engines ever made. It also has plenty of power for most applications, with 500 pound-feet of torque and 235 horsepower. It was built for the long haul, too with an air-to-air intercooler, oil-based fueling, and durable internal hard parts.
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What year Duramax has injector problems?

What year Duramax has injector problems? The LB7 Duramax built from 2001 – 2004.5 is known for injector failure. The good news is the replacement injectors you purchase from us incorporate several updates to help prevent repeat failures.
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What are the benefits of deleting a diesel truck?

After a diesel delete is completed, the soot-clogging issues are eliminated. There may also be performance improvements such as an increase in torque/horsepower as well as an improvement in fuel economy. These positive changes can depend on the tuner, the after-market software, and the engine hardware.
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Why do Duramax cranks break?

The crankshaft usually breaks near the number one rod journal due to a combination of excessive rpm and the large external counterweight. A factory firing order that beats up the front area of the crankshaft has also been blamed for imposing undue stress on the crank.
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Should I buy a diesel truck as a daily driver?

Gas Trucks Answered. Is a diesel truck good for a daily driver?: Diesel trucks make great daily drivers, especially if you have easy access to diesel fuel nearby and are looking for a truck that's torquier than its gas counterparts.
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What are the disadvantages of diesel engines?

Some other downsides to diesel are:
  • Increased cost. Diesel is more expensive to buy at the pump than petrol, and the higher purchase price of a diesel car can bump up insurance costs. ...
  • Driving experience. Diesel engines tend to be noisier than petrol due to their high running pressure.
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What are the pros and cons of a diesel truck?

Pros: Lower fuel cost, higher resale value, longer lasting engine. Cons: Diesel vehicles are more expensive, diesel mechanics are more expensive.
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Which diesel engine is best?

10 Best Diesel Engines (In the Past 20 Years)
  • #1 – 6.7L Cummins – (Best for Towing) ...
  • #2 – 6.7L Power Stroke – (Best Ford Diesel Engine) ...
  • #3 – 6.6L Duramax L5P – (Best Duramax Engine) ...
  • #4 – 7.3L Power Stroke – (Most Reliable) ...
  • #5 – 6.6L Duramax LBZ. ...
  • #6 – 3.0L EcoDiesel. ...
  • #7 – 5.9L Cummins (24V ISB) ...
  • #8 – 6.6L Duramax LB7.
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What's better Duramax or Power Stroke?

Both the Ram's Cummins (seen above) and Ford's Power Stroke can pull over that amount, but the Duramax lags with a total towing capacity of 23,300. The Power Stroke wins here again with a total towing amount of 34,000 pounds versus Ram's 31,210 pounds.
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What is the fuel economy of a Duramax diesel?

Despite having no significant changes between the 2020 Chevy Silverado and 2021 model year, the Duramax diesel got a significant drop in its MPG ratings. The four-wheel drive 2020 Silverado Duramax got an estimated 23 mpg in the city, 29 mpg on the highway, and 25 mpg combined.
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Is a 6.6 Duramax a good motor?

It is considered the best post-emissions Duramax engine, as previous issues with the injection pump and emissions systems have largely been fixed. The 6.6L L5P Duramax offers a quieter ride with more horsepower, torque (445 horsepower and 910 pound-feet torque) and power ratings than previous engine versions.
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How do you get 30 mpg on a Duramax?

It may be possible to upgrade some of your diesel truck parts for better performance and fuel economy. Let's take a look at how to get 30+ MPG with a Duramax.
...
Options for Increasing MPG
  1. Tuning.
  2. Removing the tailgate.
  3. Installing a bed cover.
  4. Not using your AC.
  5. Upgrading your air intake.
  6. Installing a new fuel filter.
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