2021 Mercedes-Benz AMG GT EPA Fuel Economy Summary

The 2021 Mercedes-Benz AMG GT delivers an EPA-certified 16–22 MPG combined (14–20 city / 19–25 highway depending on engine and drivetrain) across 10 configurations. Hybrid variants achieve up to 22 MPG combined, compared to 18 MPG for standard gasoline trims. Estimated annual fuel costs range from $3,450 to $4,750.

Combined MPG
16–22 MPG
55% city / 45% highway weighted
City MPG
14–20 MPG
Stop-and-go urban cycle
Highway MPG
19–25 MPG
Sustained open-highway test
Annual Fuel Cost
$3,450–4,750
EPA estimate @ 15,000 miles/yr

2021 Mercedes-Benz AMG GT Powertrain & Efficiency Comparison

Factual efficiency differences across gasoline, hybrid, plug-in hybrid, and electric variants

Internal Combustion

Standard Gasoline Trims

16–18 MPG Combined

Annual Fuel Cost: $4,200–$4,750 (8 configurations)

Gas-Electric Hybrid

Hybrid (HEV) Trims

22–22 MPG Combined

Annual Fuel Cost: $3,450–$3,450 (Saves ~$750/yr vs gas)

Official EPA Fuel Economy Ratings by Configuration (10 Variants)

Laboratory certification test values across engine, transmission, and drivetrain permutations

Configuration / Model Powertrain Drivetrain Transmission City Highway Combined Annual Fuel Cost CO2 (g/mi)
AMG GT 43 4matic Plus Premium 3L Hybrid 4-Wheel Drive Automatic 9-spd 20 MPG 25 MPG 22 MPG $3,450
AMG GT 53 4matic Plus Premium 3L Hybrid 4-Wheel Drive Automatic 9-spd 20 MPG 25 MPG 22 MPG $3,450
AMG GT 63 S 4matic Plus Premium 4L 8-Cyl Gas 4-Wheel Drive Automatic 9-spd 16 MPG 21 MPG 18 MPG $4,200
AMG GT 63 4matic Plus Premium 4L 8-Cyl Gas 4-Wheel Drive Automatic 9-spd 16 MPG 21 MPG 18 MPG $4,200
AMG GT Coupe Premium 4L 8-Cyl Gas Rear-Wheel Drive Automatic (AM7) 15 MPG 20 MPG 17 MPG $4,450
AMG GT C Coupe Premium 4L 8-Cyl Gas Rear-Wheel Drive Automatic (AM7) 15 MPG 19 MPG 17 MPG $4,450
AMG GT Roadster Premium 4L 8-Cyl Gas Rear-Wheel Drive Automatic (AM7) 15 MPG 20 MPG 17 MPG $4,450
AMG GT C Roadster Premium 4L 8-Cyl Gas Rear-Wheel Drive Automatic (AM7) 15 MPG 20 MPG 17 MPG $4,450
AMG GT Black Series Premium 4L 8-Cyl Gas Rear-Wheel Drive Automatic (AM7) 15 MPG 20 MPG 17 MPG $4,450
AMG GT R Coupe Premium 4L 8-Cyl Gas Rear-Wheel Drive Automatic (AM7) 14 MPG 20 MPG 16 MPG $4,750
EPA Test Methodology: Fuel economy estimates are determined by vehicle manufacturers in accordance with EPA regulations (40 CFR Part 600) and verified by EPA laboratories. Estimates assume 15,000 miles per year of driving (55% city, 45% highway) at prevailing fuel and electricity prices.

Deterministic Fuel Cost & Consumption Benchmarks

Standardized annual energy consumption and operating cost metrics based on 15,000 annual miles

Fuel Cost per 25 Miles

$3.98–$5.47

Based on $3.50 per gallon regular gasoline

Annual Fuel Consumption

682–938 Gallons

Estimated annual energy units needed for 15,000 miles

5-Year Fuel Cost vs Avg Vehicle

Official EPA Benchmark

Compared to the average new vehicle over 5 years

Official US Government Data Provenance

Fuel economy ratings, electric range figures, and energy cost estimates on this page are retrieved directly from the United States Environmental Protection Agency (EPA) and U.S. Department of Energy (FuelEconomy.gov) certified vehicle database.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.