2025 head-to-head · Midsize & Large SUV
2025 Audi Q6 e-tron vs Mercedes-Benz EQS
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with 18¢/kWh electricity, the most efficient 2025 Audi Q6 e-tron (104 MPGe) costs about $878 a year to fuel and the 2025 Mercedes-Benz EQS (98 MPGe) about $918.
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 Q6 e-tron
- Mercedes-Benz EQS
Side by side
| Audi Q6 e-tron | Mercedes-Benz EQS | |
|---|---|---|
| $878 | Your annual fuel cost | $918 |
| 104 MPGe | Combined efficiency | 98 MPGe |
| 112 MPGe | City | 98 MPGe |
| 96 MPGe | Highway | 98 MPGe |
| 32.5 kWh | Electricity use (kWh/100 mi) | 34 kWh |
| 321 mi | Driving range | 390 mi |
| — | Passenger volume | 103 cu ft |
| — | Cargo volume | 35 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 9/10 | EPA fuel economy score | 9/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 14 hrs | Charge time at 240V | 14 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (225 kW) | Engine / motor | Electric motor (265 kW) |
| Single-speed | Transmission | Single-speed |
| RWD | Drivetrain | RWD |
✓ 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 Q6 e-tron vs Mercedes-Benz EQS across model years
- Audi Q6 e-tron
- Mercedes-Benz EQS
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
The Mercedes-Benz EQS goes farther between stops: about 390 miles on a charge, compared with 321 miles for the Audi Q6 e-tron.
Among 94 2025 midsize & large SUVs, the Audi Q6 e-tron ranks 4th and the Mercedes-Benz EQS 5th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Audi Q6 e-tron or the 2025 Mercedes-Benz EQS?
Measured by cost to drive, the Audi Q6 e-tron. The Audi Q6 e-tron is rated 104 MPGe combined and the Mercedes-Benz EQS 98 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Audi Q6 e-tron vs. the Mercedes-Benz EQS per year?
At 15,000 miles a year with 18¢/kWh electricity, about $878 for the Audi Q6 e-tron and $918 for the Mercedes-Benz EQS.
Which has more range?
The Mercedes-Benz EQS: about 390 miles versus 321 miles.
Audi Q6 e-tron vs Mercedes-Benz EQS in other years
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