Mercedes-Benz AMG GT Roadster MPG and Fuel Economy
Mercedes-Benz have been manufacturing models of AMG GT Roadster for 4 years, with the latest vehicle in 2021 having a combined MPG of 17.
The estimated fuel cost for the 2021 Mercedes-Benz AMG GT Roadster is $4,350 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 $10,250 more on fuel driving a 2021 Mercedes-Benz AMG GT Roadster.
🛢 The Mercedes-Benz AMG GT Roadster will consume roughly 18 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Mercedes-Benz AMG GT Roadster will emit 533 grams of CO2, which is about 7,995,000 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 381 trees would be needed to offset emissions from the Mercedes-Benz AMG GT Roadster.
The table below is a complete list of the 4 Mercedes-Benz AMG GT Roadster 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.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2021 Mercedes-Benz AMG GT Roadster | 17 | $4,350 |
| 2020 Mercedes-Benz AMG GT Roadster | 18 | $4,100 |
| 2019 Mercedes-Benz AMG GT Roadster | 18 | $4,100 |
| 2018 Mercedes-Benz AMG GT Roadster | 18 | $4,100 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/mercedes-benz/amg-gt-roadster">Mercedes-Benz AMG GT Roadster MPG and Fuel Economy</a>
"Mercedes-Benz AMG GT Roadster MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercedes-benz/amg-gt-roadster.
"Mercedes-Benz AMG GT Roadster MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/amg-gt-roadster. Accessed January 3, 2026.
Mercedes-Benz AMG GT Roadster MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/amg-gt-roadster.