BMW 8 Series vs Mercedes-Benz AMG GT
The BMW 8 Series is the more efficient of the two: it reaches 25 mpg combined versus 22 mpg for the Mercedes-Benz AMG GT, a 3 mpg advantage and costs about $400 less per year to fuel.
Across 5 measured categories, the BMW 8 Series leads in 5. Figures are EPA test data, not manufacturer claims.
2016–2027
Mercedes-Benz AMG GT
Two Seaters · 67 configurations
Head-to-head specifications
| Metric | BMW 8 Series | Mercedes-Benz AMG GT |
|---|---|---|
| Best combined MPG | 25 mpg ✓ | 22 mpg |
| Best city MPG | 23 mpg ✓ | 20 mpg |
| Best highway MPG | 30 mpg ✓ | 27 mpg |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $3,050 ✓ | $3,450 |
| Lowest CO2 output | 347 g/mi ✓ | 397 g/mi |
| Engines offered | SIDI | SIDI, SIDI; Mild Hybrid, SIDI; PHEV |
| Transmissions | Automatic (S8) | Automatic 9-spd, Automatic (AM7), Automatic (AM-S7) |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive | All-Wheel Drive, Rear-Wheel Drive, 4-Wheel Drive |
| Fuel types | Premium | Premium, Premium and Electricity |
| EPA class | Subcompact Cars | Two Seaters |
| Years covered | 2019–2026 | 2016–2027 |
| Configurations on record | 64 | 67 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
8 Series vs AMG GT: common questions
Which is better on gas, the BMW 8 Series or the Mercedes-Benz AMG GT?
The BMW 8 Series is the more efficient of the two: it reaches 25 mpg combined versus 22 mpg for the Mercedes-Benz AMG GT, a 3 mpg advantage and costs about $400 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the BMW 8 Series runs about $3,050 a year in fuel at its most efficient configuration, versus about $3,450 for the Mercedes-Benz AMG GT — a difference of roughly $400 per year.
What engines do the 8 Series and AMG GT offer?
BMW 8 Series: SIDI. Mercedes-Benz AMG GT: SIDI, SIDI; Mild Hybrid, SIDI; PHEV.
Are they in the same vehicle class?
The EPA classifies the BMW 8 Series as Subcompact Cars and the Mercedes-Benz AMG GT as Two Seaters, so they aren't a like-for-like match on size.
More 8 Series comparisons
Comparison id: bmw-8-series-vs-mercedes-benz-amg-gt