2023 head-to-head · Subcompact Car
2023 Audi TTS Coupe vs Mercedes-Benz SL-Class
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 2.0L 4-cyl turbo · 7-speed dual-clutch · 26 MPG
The 2023 Audi TTS Coupe is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $3,703 for the 2023 Mercedes-Benz SL-Class (16 MPG). That's roughly $1,424 a year, or about $7,121 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 TTS Coupe
- Mercedes-Benz SL-Class
Side by side
| Audi TTS Coupe | Mercedes-Benz SL-Class | |
|---|---|---|
| $2,279 | Your annual fuel cost | $3,703 |
| 26 MPG | Combined efficiency | 16 MPG |
| 23 MPG | City | 14 MPG |
| 31 MPG | Highway | 22 MPG |
| 74 cu ft | Passenger volume | 76 cu ft |
| 13 cu ft | Cargo volume | 6 cu ft |
| 337 g/mi | Tailpipe CO₂ (g/mi) | 544 g/mi |
| 5/10 | EPA fuel economy score | 3/10 |
| 5/10 | EPA greenhouse gas score | 3/10 |
| Gas | Powertrain | Gas |
| Premium 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 | AWD |
✓ 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 TTS Coupe vs Mercedes-Benz SL-Class across model years
- Audi TTS Coupe
- Mercedes-Benz SL-Class
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
Per EPA interior volume figures, the Audi TTS Coupe has more cargo space (13 vs. 6 cu ft).
Among 31 2023 subcompact cars, the Audi TTS Coupe ranks 14th and the Mercedes-Benz SL-Class 31st for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2023 Audi TTS Coupe or the 2023 Mercedes-Benz SL-Class?
Measured by cost to drive, the Audi TTS Coupe. The Audi TTS Coupe is rated 26 MPG combined and the Mercedes-Benz SL-Class 16 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 Audi TTS Coupe vs. the Mercedes-Benz SL-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,279 for the Audi TTS Coupe and $3,703 for the Mercedes-Benz SL-Class.
Which has more cargo space?
The Audi TTS Coupe, with 13 cu ft of luggage volume versus 6 cu ft (EPA interior volume index).
Audi TTS Coupe vs Mercedes-Benz SL-Class in other years
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