2021 head-to-head · Two-Seater
2021 Audi TT vs Mercedes-Benz AMG GT
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2021 Audi TT is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, it costs about $1,788 a year to fuel (26 MPG), versus $3,292 for the 2021 Mercedes-Benz AMG GT (18 MPG). That's roughly $1,503 a year, or about $7,516 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Audi TT
- Mercedes-Benz AMG GT
Side by side
| Audi TT | Mercedes-Benz AMG GT | |
|---|---|---|
| $1,788 | Your annual fuel cost | $3,292 |
| 26 MPG | Combined efficiency | 18 MPG |
| 23 MPG | City | 16 MPG |
| 31 MPG | Highway | 21 MPG |
| — | Passenger volume | 96 cu ft |
| — | Cargo volume | 13 cu ft |
| 344 g/mi | Tailpipe CO₂ (g/mi) | 502 g/mi |
| 5/10 | EPA fuel economy score | 3/10 |
| 5/10 | EPA greenhouse gas score | 3/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 7-speed dual-clutch | Transmission | 9-speed automatic |
| AWD | Drivetrain | 4WD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Audi TT vs Mercedes-Benz AMG GT across model years
- Audi TT
- Mercedes-Benz AMG GT
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 27 2021 two-seaters, the Audi TT ranks 1st and the Mercedes-Benz AMG GT 12th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2021 Audi TT or the 2021 Mercedes-Benz AMG GT?
Measured by cost to drive, the Audi TT. The Audi TT is rated 26 MPG combined and the Mercedes-Benz AMG GT 18 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Audi TT vs. the Mercedes-Benz AMG GT per year?
At 15,000 miles a year with $3.10/gal regular gas and $3.95/gal premium gas, about $1,788 for the Audi TT and $3,292 for the Mercedes-Benz AMG GT.
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