GMC Sierra C15 2WD MPG and Fuel Economy

GMC have been manufacturing models of Sierra C15 2WD for 12 years, with the latest vehicle in 2018 having a combined MPG of 20.

The estimated fuel cost for the 2018 GMC Sierra C15 2WD is $3,150 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 $4,250 more on fuel driving a 2018 GMC Sierra C15 2WD.

🛢 The GMC Sierra C15 2WD will consume roughly 15 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the GMC Sierra C15 2WD will emit 448 grams of CO₂, which is about 6,720,000 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 320 trees would be needed to offset emissions from the GMC Sierra C15 2WD.

The table below is a complete list of the 12 GMC Sierra C15 2WD 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.