2020 head-to-head · Compact Car
2020 Audi A4 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.
The 2020 Audi A4 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $1,975 a year to fuel (30 MPG), versus $2,116 for the 2020 Mercedes-Benz CLA-Class (28 MPG). That's roughly $141 a year, or about $705 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 A4
- Mercedes-Benz CLA-Class
Side by side
| Audi A4 | Mercedes-Benz CLA-Class | |
|---|---|---|
| $1,975 | Your annual fuel cost | $2,116 |
| 30 MPG | Combined efficiency | 28 MPG |
| 27 MPG | City | 25 MPG |
| 35 MPG | Highway | 35 MPG |
| 92 cu ft | Passenger volume | 89 cu ft |
| 13 cu ft | Cargo volume | 12 cu ft |
| 295 g/mi | Tailpipe CO₂ (g/mi) | 310 g/mi |
| 7/10 | EPA fuel economy score | 6/10 |
| 7/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 7-speed dual-clutch | Transmission | 7-speed dual-clutch |
| FWD | Drivetrain | FWD |
✓ 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 A4 vs Mercedes-Benz CLA-Class across model years
- Audi A4
- 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 A4 has more passenger space (92 vs. 89 cu ft); the Audi A4 has more cargo space (13 vs. 12 cu ft).
Among 34 2020 compact cars, the Audi A4 ranks 20th and the Mercedes-Benz CLA-Class 22nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Audi A4 or the 2020 Mercedes-Benz CLA-Class?
Measured by cost to drive, the Audi A4. The Audi A4 is rated 30 MPG combined and the Mercedes-Benz CLA-Class 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Audi A4 vs. the Mercedes-Benz CLA-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $1,975 for the Audi A4 and $2,116 for the Mercedes-Benz CLA-Class.
Which has more cargo space?
The Audi A4, with 13 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
Audi A4 vs Mercedes-Benz CLA-Class in other years
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