Mercedes-Benz AMG GT 63 4matic Plus
17 MPG The 2026 Mercedes-Benz AMG GT 63 4matic Plus is EPA-rated at 17 MPG combined (15 city / 21 highway). Over 15,000 miles a year that is about 882 gallons, $2824 a year in fuel, or $0.188 per mile at $3.20/gal.
Across its full 2019–2026 run it averages 17.1 MPG, essentially flat across 7 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.147 | $1471 | $2206 | $2941 |
| $3.00/gal | $0.176 | $1765 | $2647 | $3529 |
| $3.20/gal | $0.188 | $1882 | $2824 | $3765 |
| $3.50/gal | $0.206 | $2059 | $3088 | $4118 |
| $4.00/gal | $0.235 | $2353 | $3529 | $4706 |
| $4.50/gal | $0.265 | $2647 | $3971 | $5294 |
| $5.00/gal | $0.294 | $2941 | $4412 | $5882 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2026 | 17 MPG | 15 | 21 | $4550 | 512 | 1 |
| 2025 | 17 MPG | 15 | 21 | $4550 | 512 | 1 |
| 2024 | 17 MPG | 15 | 21 | $4550 | 512 | 1 |
| 2023 | 17 MPG | 15 | 21 | $4550 | 530 | 1 |
| 2021 | 18 MPG | 16 | 21 | $4300 | 502 | 1 |
| 2020 | 17 MPG | 15 | 20 | $4550 | 519 | 1 |
| 2019 | 17 MPG | 15 | 20 | $4550 | 519 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 227 compact cars models tracked here, the Mercedes-Benz AMG GT 63 4matic Plus ranks 211 on current figures, against a class average of 26.6 MPG.
Closest more-efficient alternatives in the same class: BMW M3 Competition M xDrive Sedan (18), Jaguar X-Type (18), Jaguar XJ6 (18), Jaguar XJR (18), Mercedes-Benz CL550 4matic (18).
Tailpipe CO₂ is rated at 512 grams per mile, which works out to roughly 7.7 tonnes a year at 15,000 miles.
Questions
What MPG does the Mercedes-Benz AMG GT 63 4matic Plus get?
The 2026 Mercedes-Benz AMG GT 63 4matic Plus is rated at 17 MPG combined by the EPA — 15 city and 21 highway. Across all 7 model years in the database it averages 17.1 MPG, ranging from 17 to 18 depending on year and trim.
How much does a Mercedes-Benz AMG GT 63 4matic Plus cost in fuel per year?
At 17 MPG and 15,000 miles a year, it burns about 882 gallons — roughly $2824 a year with fuel at $3.20 a gallon, or $0.188 per mile. The EPA's own published annual figure for the 2026 model is $4550.
Has the Mercedes-Benz AMG GT 63 4matic Plus become more efficient over time?
Barely. It sits at 17 MPG today against 17 in 2019 — essentially flat across 7 model years, with efficiency gains offset by weight and power creep.
Is the Mercedes-Benz AMG GT 63 4matic Plus efficient for its class?
It ranks 211 of 227 in the Compact Cars class on current figures, against a class average of 26.6 MPG. That is 9.6 worse than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.