Chevrolet Impala MPG and Fuel Economy

Chevrolet have been manufacturing models of Impala for 21 years, with the latest vehicle in 2020 having a combined MPG of 22.

The estimated fuel cost for the 2020 Chevrolet Impala is $2,850 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 $2,750 more on fuel driving a 2020 Chevrolet Impala.

🛢 The Chevrolet Impala will consume roughly 14 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the Chevrolet Impala will emit 406 grams of CO2, which is about 6,090,000 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 290 trees would be needed to offset emissions from the Chevrolet Impala.

The table below is a complete list of the 21 Chevrolet Impala 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.

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "Chevrolet Impala MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/chevrolet/impala.

  • "Chevrolet Impala MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/chevrolet/impala. Accessed January 3, 2026.

  • Chevrolet Impala MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/chevrolet/impala.