GMC Sierra 4WD AT4 MPG and Fuel Economy

GMC have been manufacturing models of Sierra 4WD AT4 for 2 years, with the latest vehicle in 2021 having a combined MPG of 16.

The estimated fuel cost for the 2021 GMC Sierra 4WD AT4 is $3,900 per year.

Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

💵 Compared to an average vehicle over 5 years, you will spend $8,000 more on fuel driving a 2021 GMC Sierra 4WD AT4.

🛢 The GMC Sierra 4WD AT4 will consume roughly 19 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the GMC Sierra 4WD AT4 will emit 543 grams of CO₂, which is about 8,145,000 grams of CO₂ per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO₂ per year. This means that roughly 388 trees would be needed to offset emissions from the GMC Sierra 4WD AT4.

The table below is a complete list of the 13 GMC Sierra 4WD AT4 fuel efficiency specifications we have data for.

Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.

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