GMC Sierra HD Reliability

GMC is a part of General Motors which focuses on bigger vehicles like pickup trucks, SUVs, etc. The Sierra HD is a heavy-duty pickup truck and it also has a small model named the 1500 Sierra. This truck is off-roading and towing. 


The HD Sierra is a big truck, which is one of the best in the whole of the best. The truck has a 6.6 L Duramax diesel standard in all of its models. This powerful engine delivers 445 horsepower. The truck has all the features which a heavy-duty truck should have including extreme towing capabilities, 4WD, etc.


Reliability is a piece of crucial information before buying any car. General Motors have been making cars for ages, and they are also reliable enough to trust. GMC has a reliability rating of 3.0 out of 5.0 ranking at 22 out of 32 car brands, which is not the greatest. The HD Sierra has an average reliability rating of 4 out of 5 stars by J.D Power.


Safety is a big concern for consumers nowadays, which is a great thing. GMC trucks are regularly crash-tested by NHTSA and IIHS. The Sierra has been crash-tested by both NHTSA and IIHS, and it has received great ratings from both of them. The Sierra also has many safety features like lane assist, blind-spot monitoring, collision warning, etc.

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Depreciation rate

The depreciation rate also helps us in determining the reliability of a car. GMC has a decent residual value even after 5 years. It depreciates around an average of 50% after 5 years. The Sierra also has a decent depreciation rate of 40% after 5 years.

Maintenance and repairing

Maintenance and repairing costs are not the lowest in GMC trucks. These trucks and SUVs, on average cost around $744 yearly, which is a bit high as compared to other competitors. The average maintenance cost of the Sierra is nearly $727 by RepairPal, which covers all of its preventive maintenance and untimely visits.


How many seats are in the GMC Sierra HD?    

The GMC Sierra HD is a car with 6 seats. The EPA Classification for this car is: Rear Wheel Drive    

What is the horsepower in a GMC Sierra HD and does it have a turbo?    

The GMC Sierra HD has 401 horsepower and 464 lb-ft of torque. The engine is a Gas V8 with a displacement of 6.6L/ The fuel system is: Direct Injection.    

What type of wheels does it have?    

GMC Sierra HD has 17 x -TBD- inch Steel Front Wheels and 17 x -TBD- inch Steel Rear Wheels.

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What is the average lifespan of a GMC Sierra?

A GMC Sierra can go 150,000 miles with good maintenance. Some models even reach 200,000 miles. Surveys show that only 1.7% of GMC Sierras will exceed the 200,000-mile mark.

Motor A2Z

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