2025 head-to-head · Midsize & Large SUV
2025 Audi Q4 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.
The 2025 Audi Q4 e-tron is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $794 a year to fuel (115 MPGe), versus $918 for the 2025 Mercedes-Benz EQS (98 MPGe). That's roughly $124 a year, or about $621 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 Q4 e-tron
- Mercedes-Benz EQS
Side by side
| Audi Q4 e-tron | Mercedes-Benz EQS | |
|---|---|---|
| $794 | Your annual fuel cost | $918 |
| 115 MPGe | Combined efficiency | 98 MPGe |
| 125 MPGe | City | 98 MPGe |
| 104 MPGe | Highway | 98 MPGe |
| 29.4 kWh | Electricity use (kWh/100 mi) | 34 kWh |
| 288 mi | Driving range | 390 mi |
| 96 cu ft | Passenger volume | 103 cu ft |
| 26 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 |
| 12 hrs | Charge time at 240V | 14 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (210 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 Q4 e-tron vs Mercedes-Benz EQS across model years
- Audi Q4 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 288 miles for the Audi Q4 e-tron.
Per EPA interior volume figures, the Mercedes-Benz EQS has more passenger space (103 vs. 96 cu ft); the Mercedes-Benz EQS has more cargo space (35 vs. 26 cu ft).
Among 94 2025 midsize & large SUVs, the Audi Q4 e-tron ranks 1st and the Mercedes-Benz EQS 5th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Audi Q4 e-tron or the 2025 Mercedes-Benz EQS?
Measured by cost to drive, the Audi Q4 e-tron. The Audi Q4 e-tron is rated 115 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 Q4 e-tron vs. the Mercedes-Benz EQS per year?
At 15,000 miles a year with 18¢/kWh electricity, about $794 for the Audi Q4 e-tron and $918 for the Mercedes-Benz EQS.
Which has more range?
The Mercedes-Benz EQS: about 390 miles versus 288 miles.
Which has more cargo space?
The Mercedes-Benz EQS, with 35 cu ft of luggage volume versus 26 cu ft (EPA interior volume index).
Audi Q4 e-tron vs Mercedes-Benz EQS in other years
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