2018 Mercedes-Benz AMG GT — Full Specifications
As an Amazon Associate and CJ Affiliate and AWIN publisher we earn from qualifying purchases. Links below are affiliate links.
Running gear matters most — before anything else, UK: check tyre prices at TirendoUS: check wheel & tyre prices at WheelHero for this car's fitment.
The 2018 Mercedes-Benz AMG GT is a coupe powered by a 4L 8-cyl turbo premium gasoline engine. Its most fuel-efficient configuration returns around 22 mpg (UK) / 18 mpg (US EPA) combined, with 20–22 mpg (UK) across all configurations. Owners often keep a Mercedes-Benz AMG GT workshop manual to hand for servicing and repairs.
Compared with the 2017 Mercedes-Benz AMG GT: Fuel economy is essentially unchanged at around 22 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine | 4L 8-cyl turbo |
|---|---|
| Transmission | Automatic (AM7) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Coupe |
| Fuel Economy (UK) | 22 combined / 19 urban / 26 extra-urban mpg |
| Fuel Economy (US EPA) | 18 combined / 16 city / 22 highway mpg |
| CO₂ Emissions | 302 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,550 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2018 Mercedes-Benz AMG GT, all with the 4L 8-cyl turbo engine. Combined fuel economy ranges from 17 to 18 mpg (US), or 20 to 22 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 4L 8-cyl turbo | Automatic (AM-S7) | Rear-Wheel Drive | 20 | 17 (15/20) | 324 | $4,850 |
| 4L 8-cyl turbo | Automatic (AM7) | Rear-Wheel Drive | 22 | 18 (16/22) | 302 | $4,550 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2018 Mercedes-Benz AMG GT
Running Costs: 2018 Mercedes-Benz AMG GT
Covering around 8,000 miles a year in a 2018 Mercedes-Benz AMG GT at 22 mpg combined, expect roughly 1,653 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,550 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2018 Mercedes-Benz AMG GT Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
How It Compares
How does the Mercedes-Benz AMG GT compare to similar coupes? For context, coupes in our database average around 25 mpg (UK) combined — this model's 22 mpg figure is 3 mpg below that average. Its 302 g/km CO₂ figure is 24 g/km higher than the 278 g/km average for coupes on this site. This comparison is based on 1072 coupes in our dataset.
Mercedes-Benz models in our database average about 26 mpg (UK) combined on their most efficient configuration; the 2018 Mercedes-Benz AMG GT's 22 mpg is 4 mpg below that make average. Its 302 g/km CO₂ figure is 34 g/km higher than the 268 g/km Mercedes-Benz average.
Of the 11 Mercedes-Benz AMG GT model years we cover, the 2018 ranks 2nd for combined fuel economy on its best configuration (22 mpg UK combined, against a high of 25 mpg). See every Mercedes-Benz AMG GT year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2018 Mercedes-Benz AMG GT
Frequently Asked Questions
What engine does the 2018 Mercedes-Benz AMG GT have?
It's fitted with a 4L 8-cyl turbo premium gasoline engine, paired with a automatic (am7) transmission.
What is the fuel economy of the 2018 Mercedes-Benz AMG GT?
The most efficient configuration returns around 22 mpg (UK) combined, or 18 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 20 to 22 mpg.
How much does the 2018 Mercedes-Benz AMG GT cost to fuel per year?
The US EPA estimates about $4,550 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Is the Mercedes-Benz AMG GT's fuel economy good for a coupe?
It returns around 22 mpg (UK) combined, against a same-body-style average of roughly 25 mpg among the coupes we track.