Mercedes-Benz AMG GT vs Audi S5
The Audi S5 is the more efficient of the two: it reaches 24 mpg combined versus 22 mpg for the Mercedes-Benz AMG GT, a 2 mpg advantage and costs about $300 less per year to fuel.
Across 5 measured categories, the Audi S5 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 | Mercedes-Benz AMG GT | Audi S5 |
|---|---|---|
| Best combined MPG | 22 mpg | 24 mpg ✓ |
| Best city MPG | 20 mpg | 21 mpg ✓ |
| Best highway MPG | 27 mpg | 30 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $3,450 | $3,150 ✓ |
| Lowest CO2 output | 397 g/mi | 363 g/mi ✓ |
| Engines offered | SIDI, SIDI; Mild Hybrid, SIDI; PHEV | SIDI |
| Transmissions | Automatic 9-spd, Automatic (AM7), Automatic (AM-S7) | Automatic (AM-S7), Automatic (S8), Automatic (AM-S8) |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive, 4-Wheel Drive | All-Wheel Drive, 4-Wheel Drive |
| Fuel types | Premium, Premium and Electricity | Premium |
| EPA class | Two Seaters | Subcompact Cars |
| Years covered | 2016–2027 | 2015–2026 |
| Configurations on record | 67 | 33 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
AMG GT vs S5: common questions
Which is better on gas, the Mercedes-Benz AMG GT or the Audi S5?
The Audi S5 is the more efficient of the two: it reaches 24 mpg combined versus 22 mpg for the Mercedes-Benz AMG GT, a 2 mpg advantage and costs about $300 less per year to fuel.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Audi S5 runs about $3,150 a year in fuel at its most efficient configuration, versus about $3,450 for the Mercedes-Benz AMG GT — a difference of roughly $300 per year.
What engines do the AMG GT and S5 offer?
Mercedes-Benz AMG GT: SIDI, SIDI; Mild Hybrid, SIDI; PHEV. Audi S5: SIDI.
Are they in the same vehicle class?
The EPA classifies the Mercedes-Benz AMG GT as Two Seaters and the Audi S5 as Subcompact Cars, so they aren't a like-for-like match on size.
More AMG GT comparisons
Comparison id: mercedes-benz-amg-gt-vs-audi-s5