2027 head-to-head · Compact Car
2027 Audi S e-tron vs Mercedes-Benz CLA-Class Hybrid
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · 1.5L 4-cyl turbo · 8-speed dual-clutch · 33 MPG
The 2027 Audi S e-tron is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,015 a year to fuel (90 MPGe), versus $1,795 for the 2027 Mercedes-Benz CLA-Class Hybrid (33 MPG). That's roughly $780 a year, or about $3,901 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 S e-tron
- Mercedes-Benz CLA-Class Hybrid
Side by side
| Audi S e-tron | Mercedes-Benz CLA-Class Hybrid | |
|---|---|---|
| $1,015 | Your annual fuel cost | $1,795 |
| 90 MPGe | Combined efficiency | 33 MPG |
| 91 MPGe | City | 29 MPG |
| 88 MPGe | Highway | 39 MPG |
| 37.6 kWh | Electricity use (kWh/100 mi) | — |
| 300 mi | Driving range | — |
| 91 cu ft | Passenger volume | 91 cu ft |
| 11 cu ft | Cargo volume | 12 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 273 g/mi |
| 9/10 | EPA fuel economy score | 6/10 |
| 10/10 | EPA greenhouse gas score | 6/10 |
| 15.5 hrs | Charge time at 240V | — |
| Electric | Powertrain | Hybrid |
| Electricity | Fuel | Premium gasoline |
| Electric motors (667 kW) | Engine / motor | 1.5L 4-cyl turbo |
| Single-speed | Transmission | 8-speed dual-clutch |
| AWD | 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 S e-tron vs Mercedes-Benz CLA-Class Hybrid across model years
- Audi S e-tron
- Mercedes-Benz CLA-Class Hybrid
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 Mercedes-Benz CLA-Class Hybrid has more cargo space (12 vs. 11 cu ft).
Among 13 2027 compact cars, the Audi S e-tron ranks 4th and the Mercedes-Benz CLA-Class Hybrid 10th for lowest fuel cost.
Because the Audi S e-tron is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Mercedes-Benz CLA-Class Hybrid; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2027 Audi S e-tron or the 2027 Mercedes-Benz CLA-Class Hybrid?
Measured by cost to drive, the Audi S e-tron. The Audi S e-tron is rated 90 MPGe combined and the Mercedes-Benz CLA-Class Hybrid 33 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2027 Audi S e-tron vs. the Mercedes-Benz CLA-Class Hybrid per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,015 for the Audi S e-tron and $1,795 for the Mercedes-Benz CLA-Class Hybrid.
Which has more cargo space?
The Mercedes-Benz CLA-Class Hybrid, with 12 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).
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