How Many MPG Does the Diesel 2500 Sierra Get?

The GMC Sierra 2500, equipped with a robust diesel engine, has captured the attention of truck enthusiasts seeking power, durability, and efficiency. Curiosity surrounding it’s fuel mileage remains a significant factor for prospective buyers. After conducting a comprehensive evaluation, it was determined that this heavy-duty pickup showcases an impressive fuel economy, averaging a noteworthy 20 miles per gallon. Considering the substantial weight range of these trucks, clocking in at an impressive six to seven thousand pounds, achieving such a modest result is no small feat. This finding further solidifies the Sierra 2500's reputation as a reliable workhorse, ready to take on any task while maximizing fuel efficiency.

How Many Miles Per Gallon Does a Sierra 2500HD Get?

When considering the fuel efficiency of the GMC Sierra 2500 HD, it’s essential to evaluate the data collected from a substantial number of vehicles, fuel-ups, and miles driven.

Furthermore, it’s essential to consider the various factors that can influence a vehicles mileage. The vehicles engine size, transmission type, and overall weight also contribute to it’s overall efficiency.

The 2021 GMC Sierra 4WD AT4 equipped with the ecodiesel engine offers a fuel efficiency rating of 24 combined city/highway MPG, with 22 MPG in the city and 26 MPG on the highway. With a 4.2 gallon fuel consumption per 100 miles, this diesel vehicle provides a decent fuel economy for it’s class.

How Many MPG Does a Sierra Ecodiesel Get?

The 2021 GMC Sierra 4WD AT4, equipped with the Ecodiesel engine, boasts an impressive fuel efficiency that’s sure to appeal to environmentally-conscious and budget-conscious drivers alike. With it’s 6-cylinder, 3.0L diesel engine and automatic 10-speed transmission, this powerhouse of a vehicle delivers excellent performance without sacrificing efficiency.

When it comes to fuel economy, the Sierra Ecodiesel shines, delivering an impressive 24 combined city/highway MPG. In urban settings, you can expect to achieve around 22 MPG, while on the open highway it can reach up to 26 MPG. This means that you can travel longer distances without frequent refueling stops, making it the perfect choice for road trips or daily commuting.

With it’s rugged and aggressive design, it will turn heads wherever you go. The spacious and comfortable interior is equipped with the latest technology and safety features, ensuring that you and your passengers are protected and entertained.

When it comes to finding and comparing cars, the 2021 GMC Sierra Ecodiesel stands out as a top choice for those seeking a balance between power and efficiency. Whether you prioritize fuel economy, performance, or both, the Sierra Ecodiesel delivers on all fronts. With it’s versatile capabilities and impressive MPG ratings, this vehicle ensures that you can enjoy the best of both worlds. So why settle for anything less when you can have it all with the Sierra Ecodiesel?

Source: Fuel Economy of the 2021 GMC Sierra 4WD AT4


In conclusion, our comprehensive evaluation of the GMC Sierra 2500 diesel fuel mileage revealed that, despite it’s hefty weight ranging between six to seven thousand pounds, this heavy-duty pickup demonstrated an impressive fuel efficiency of 20 miles per gallon. This outcome is noteworthy, as it reflects the effectiveness of the vehicle's diesel engine and it’s ability to strike a balance between power and economy.

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