2024 head-to-head · Compact Car
2024 Audi S4 vs Mercedes-Benz CLA-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 · 3.0L 6-cyl turbo · 8-speed automatic · 24 MPG
AWD · 2.0L 4-cyl turbo · 8-speed dual-clutch · 23 MPG
The 2024 Audi S4 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel (24 MPG), versus $2,576 for the 2024 Mercedes-Benz CLA-Class (23 MPG). That's roughly $107 a year, or about $537 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 S4
- Mercedes-Benz CLA-Class
Side by side
| Audi S4 | Mercedes-Benz CLA-Class | |
|---|---|---|
| $2,469 | Your annual fuel cost | $2,576 |
| 24 MPG | Combined efficiency | 23 MPG |
| 21 MPG | City | 20 MPG |
| 29 MPG | Highway | 28 MPG |
| 92 cu ft | Passenger volume | 89 cu ft |
| 12 cu ft | Cargo volume | 12 cu ft |
| 376 g/mi | Tailpipe CO₂ (g/mi) | 389 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 8-speed dual-clutch |
| 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 S4 vs Mercedes-Benz CLA-Class across model years
- Audi S4
- Mercedes-Benz CLA-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 S4 has more passenger space (92 vs. 89 cu ft).
Among 28 2024 compact cars, the Audi S4 ranks 23rd and the Mercedes-Benz CLA-Class 25th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2024 Audi S4 or the 2024 Mercedes-Benz CLA-Class?
Measured by cost to drive, the Audi S4. The Audi S4 is rated 24 MPG combined and the Mercedes-Benz CLA-Class 23 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2024 Audi S4 vs. the Mercedes-Benz CLA-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,469 for the Audi S4 and $2,576 for the Mercedes-Benz CLA-Class.
Audi S4 vs Mercedes-Benz CLA-Class in other years
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