How many miles should a 6.6 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.

What is high mileage for a 6.6 Duramax diesel?

However, as with the Duramax and Cummins engines, between 350,000 and 500,000 miles is usually considered high mileage for a Powerstroke engine. Maintenance of the truck and the engine is the key to getting the most miles.

How many miles is a Duramax diesel good for?

The Duramax engine should last up to 300,000 miles before needing major repairs if you are wondering how long it will last. The number of miles an engine can run depends on how well it was maintained and driven over its lifetime.

How reliable is the 6.6 Duramax engine?

In general, it's a very durable and reliable engine. However, as the first models hit the 100,000-mile mark, some issues cropped up. Injector failure was a common problem on the LB7 engines.

What year Duramax is most reliable?

#1 Best Year: 2007 Duramax

The engine was built to handle heavy-duty driving and could endure a lot. It was extremely reliable and efficient too, as it gave MPGs of 16 in the city and 22 on highways, which is great when considering the discussion about a pickup truck.

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.

What problems does the 6.6 Duramax have?

Most Common 6.6-liter Duramax Problems

1. Issues With the Fuel Lift Pump. Duramax diesel engines use a direct injection fuel system. ...
2. Water Pump Problems Are Common. Newer Duramax engines come equipped with water pumps that have plastic impellers. ...
3. Duramax Engines Are Notorious For Fuel Injector Problems.

Is 300k miles alot for a Duramax diesel?

How Many Miles Is A Duramax Diesel Good For? In terms of overall life expectancy, Duramax engines should last more than 300,000 miles if maintained properly. Yet, Duramax makes good with the 500,000-mile range, consumers report.

Is the 2007 6.6 Duramax a good engine?

Overall, the Duramax is an extremely reliable engine and is highly capable. Tuned and upgraded LBZ's will be less reliable without upgraded pistons and rings, but very rarely do either of these cause issues on stuck LBZ's. The LBZ's are widely regarded as the best and most reliable Duramax made.

Should I buy a diesel with 200k miles?

As for what's considered high mileage for specific diesel engines? According to Prosource Diesel, anything over 350,000-miles is considered high mileage for a used diesel pickup with a Cummins or Duramax engine under its hood. Anything over 350,000-miles is also regarded as high mileage for a Powerstroke diesel engine.

Is 100k miles alot for a diesel?

To be clear - avoid diesel cars with over 100,000 miles on the clock. Just avoid them. Really. They will cost you money, time and hassle.

How long will 3.0 Duramax last?

How many miles will a 3.0 Duramax last? A Duramax engine can last well over 300,000 miles. This issue also hinges a lot on how well the engine is cared for. Regular oil changes and using high-grade synthetics will significantly improve the lifespan of the 3.0 Duramax.

What is the longest lasting diesel engine?

The longest-lasting diesel engine is the 5. Cummins 12-Valve 6BT 12-L Cummins 12-Valve 6BT. Its 30 horsepower and impressive 0 mph acceleration make the engine one of the most durable available. As well as being high-performance, the pump of the p7100 can reach 460 feet of Torque.

How much does it cost to replace a Duramax engine?

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.

Is Duramax better than Cummins?

The current Cummins engine is a 6.7-liter inline-six, while the Duramax is a 6.6-liter V8. 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.

How long do Allison transmissions 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.

What is the MPG on a 6.6 L GM?

We tested the Silverado 2500HD with the gasoline 6.6-liter V-8, and it earned 14 mpg on the highway.

Which 2500 diesel gets the best fuel mileage?

Which 2500 Diesel Truck Gets The Best Gas Mileage? This is the Ram 2500 for 2021. The gas V-8 engine in the Ram 2500 series is rated as the top pick to give you the best fuel economy.

Is the 3 liter Duramax good?

Efficient and Capable

Offering up to an EPA estimated 30 MPG highway, the Duramax 3.0L Turbo-Diesel not only gives you a highly efficient truck, but it is also perfectly suited for off-road adventurers with its powerful 460 lb-ft of torque and best-in-class 277 diesel horsepower.

How many miles is diesel worthwhile?

The UK is falling out of love with diesel for various reasons. But a diesel car could be right for you if your annual mileage is around 15,000+ miles per year.

Do diesels last longer?

Digital Trends reports that diesel engines tend to be more durable and last longer than gas engines, with reliable operation and minimal required maintenance. While diesel cars once weighed much more than comparably sized gas vehicles, this is no longer an issue, thanks to modern manufacturing methods.

What is considered low mileage for a diesel truck?

The lower the mileage, the better. Look for a truck that has less than 100,000 miles on it. If you want diesel, you can get under 200,000. If you're going with higher mileage, you should pay more attention to the overall condition of the truck.

How many miles is alot for a diesel truck?

A gasoline powered truck can run for 200,000 miles. Conversely, a diesel truck has a longer lifespan and can run for at least 500,000 and as much as 800,000 miles. This is because it has a heavier and sturdier body.