2018 Mercedes-Benz AMG GT C Coupe MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2018 Mercedes-Benz AMG GT C Coupe.

The 2018 Mercedes-Benz AMG GT C Coupe runs on premium gasoline and is in the Two Seaters car class.

Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2018 Mercedes-Benz AMG GT C Coupe is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2018 Mercedes-Benz AMG GT C Coupe Get?

First off, the most commonly asked question. A 2018 Mercedes-Benz AMG GT C Coupe gets up to 15 miles per gallon in the city, and 20 miles per gallon on the highway.

The combined average MPG for the 2018 Mercedes-Benz AMG GT C Coupe is 17 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2018 Mercedes-Benz AMG GT C Coupe?

The estimated fuel costs for the 2018 Mercedes-Benz AMG GT C Coupe is $4,350 per year.

That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

If you were to compare a 2018 Mercedes-Benz AMG GT C Coupe to an average vehicle over 5 years, you will spend $10,250 more on fuel.

The 2018 Mercedes-Benz AMG GT C Coupe is also subject to the Gas Guzzler Tax, which is a federal tax on vehicles that has a combined MPG of less than 22.5.

The combined average MPG for the 2018 Mercedes-Benz AMG GT C Coupe is 17 miles per gallon, and according to the current tax for each level of MPG, you can expect to pay a tax of $3,000 per year.

🛢 How Many Barrels of Petroleum Does a 2018 Mercedes-Benz AMG GT C Coupe Consume?

The 2018 Mercedes-Benz AMG GT C Coupe will consume roughly 18 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

💨 How Many Grams of CO2 Does a 2018 Mercedes-Benz AMG GT C Coupe Emit?

For every mile driven, the 2018 Mercedes-Benz AMG GT C Coupe will emit 518 grams of CO2, which is about 7,770,000 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 265 trees would be needed to offset emissions from the 2018 Mercedes-Benz AMG GT C Coupe.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2018 Mercedes-Benz AMG GT C Coupe.

City MPG15
Highway MPG20
Combined MPG17
Save/Spend vs Average CarSpend $10,250
Gas Guzzler Tax$3,000
Fuel Cost$4,350
Fuel Type 1Premium
Barrels of Petroleum18
Grams of CO27,770,000
Trees Needed to Offset370
DriveRear-Wheel Drive
Cylinders8
Displacement4
TransmissionAutomatic (AM7)
Vehicle ClassTwo Seaters
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Related Mercedes-Benz Models from 2018

If you're interested in other Mercedes-Benz models from 2018, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.

Link To or Reference This Page

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

  • "2018 Mercedes-Benz AMG GT C Coupe MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercedes-benz/amg-gt-c-coupe/2018.

  • "2018 Mercedes-Benz AMG GT C Coupe MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/amg-gt-c-coupe/2018. Accessed January 3, 2026.

  • 2018 Mercedes-Benz AMG GT C Coupe MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/amg-gt-c-coupe/2018.