What To Know
- The GMC Sierra is a popular full-size pickup truck that offers a variety of engine options, including both diesel and gas-powered engines.
- If you need a truck that is fuel-efficient and has a high towing and payload capacity, then the GMC Sierra with the 3.
- 0L Duramax Turbo-Diesel engine is the most fuel-efficient engine available, getting an EPA-estimated 23 mpg in the city and 30 mpg on the highway.
The GMC Sierra is a popular full-size pickup truck that offers a variety of engine options, including both diesel and gas-powered engines. Each engine type has its own advantages and disadvantages, so it’s important to carefully consider your needs before making a decision. In this blog post, we’ll compare the GMC Sierra diesel vs gas engines to help you make an informed choice.
Engine Specifications
The GMC Sierra is available with a variety of engine options, including:
- 2.7L Turbocharged Gas Engine: This engine produces 310 horsepower and 348 lb-ft of torque.
- 5.3L V8 Gas Engine: This engine produces 355 horsepower and 383 lb-ft of torque.
- 6.2L V8 Gas Engine: This engine produces 420 horsepower and 460 lb-ft of torque.
- 3.0L Duramax Turbo-Diesel Engine: This engine produces 277 horsepower and 460 lb-ft of torque.
Fuel Efficiency
One of the biggest differences between the diesel and gas engines is fuel efficiency. Diesel engines are typically more fuel-efficient than gas engines, especially when towing or hauling heavy loads. The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine gets an EPA-estimated 23 mpg in the city and 30 mpg on the highway. The GMC Sierra with the 5.3L V8 gas engine gets an EPA-estimated 16 mpg in the city and 20 mpg on the highway.
Towing and Payload Capacity
The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine has a maximum towing capacity of 13,200 pounds and a maximum payload capacity of 2,250 pounds. The GMC Sierra with the 5.3L V8 gas engine has a maximum towing capacity of 11,300 pounds and a maximum payload capacity of 1,870 pounds.
Engine Performance
The diesel and gas engines in the GMC Sierra offer different performance characteristics. The diesel engine produces more torque than the gas engine, which makes it better for towing and hauling heavy loads. The gas engine produces more horsepower than the diesel engine, which makes it better for acceleration and top speed.
Engine Durability
Diesel engines are typically more durable than gas engines. This is because diesel engines operate at lower temperatures and pressures than gas engines. The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine has a life expectancy of over 300,000 miles. The GMC Sierra with the 5.3L V8 gas engine has a life expectancy of about 200,000 miles.
Engine Maintenance
Diesel engines require more maintenance than gas engines. This is because diesel engines have more complex fuel injection systems and turbochargers. The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine requires an oil change every 7,500 miles. The GMC Sierra with the 5.3L V8 gas engine requires an oil change every 5,000 miles.
Price
The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine is more expensive than the GMC Sierra with the 5.3L V8 gas engine. This is because diesel engines are more expensive to manufacture than gas engines. The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine starts at $44,200. The GMC Sierra with the 5.3L V8 gas engine starts at $36,700.
Which One is Right for You?
The best engine for you depends on your individual needs and budget. If you need a truck that is fuel-efficient and has a high towing and payload capacity, then the GMC Sierra with the 3.0L Duramax Turbo-Diesel engine is a good choice. If you need a truck that is less expensive and has more horsepower, then the GMC Sierra with the 5.3L V8 gas engine is a good choice.
What is the Difference Between Diesel and Gas Engines?
Diesel and gas engines are two different types of internal combustion engines. Diesel engines use compression ignition, while gas engines use spark ignition. Compression ignition means that the fuel is ignited by the heat of compression, while spark ignition means that the fuel is ignited by a spark plug.
Which Engine is More Powerful?
The GMC Sierra with the 6.2L V8 gas engine is the most powerful engine available, producing 420 horsepower and 460 lb-ft of torque.
Which Engine is More Fuel-Efficient?
The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine is the most fuel-efficient engine available, getting an EPA-estimated 23 mpg in the city and 30 mpg on the highway.
Which Engine Has a Higher Towing Capacity?
The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine has the highest towing capacity, with a maximum towing capacity of 13,200 pounds.
Which Engine Has a Higher Payload Capacity?
The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine has the highest payload capacity, with a maximum payload capacity of 2,250 pounds.
Which Engine is More Durable?
Diesel engines are typically more durable than gas engines. This is because diesel engines operate at lower temperatures and pressures than gas engines.
Which Engine Requires More Maintenance?
Diesel engines require more maintenance than gas engines. This is because diesel engines have more complex fuel injection systems and turbochargers.
Which Engine is More Expensive?
Diesel engines are typically more expensive than gas engines. This is because diesel engines are more expensive to manufacture than gas engines.
What You Need to Learn
Q: Which GMC Sierra engine is the best?
A: The best GMC Sierra engine depends on your individual needs and budget. If you need a truck that is fuel-efficient and has a high towing and payload capacity, then the 3.0L Duramax Turbo-Diesel engine is a good choice. If you need a truck that is less expensive and has more horsepower, then the 5.3L V8 gas engine is a good choice.
Q: How much does the GMC Sierra cost?
A: The GMC Sierra starts at $36,700 for the base model with the 5.3L V8 gas engine. The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine starts at $44,200.
Q: What is the fuel economy of the GMC Sierra?
A: The GMC Sierra with the 3.0L Duramax Turbo-Diesel engine gets an EPA-estimated 23 mpg in the city and 30 mpg on the highway. The GMC Sierra with the 5.3L V8 gas engine gets an EPA-estimated 16 mpg in the city and 20 mpg on the highway.