2025 head-to-head · Midsize & Large SUV
2025 Mercedes-Benz EQS vs Polestar 4
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 Mercedes-Benz EQS is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $918 a year to fuel (98 MPGe), versus $999 for the 2025 Polestar 4 (90 MPGe). That's roughly $81 a year, or about $405 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
- Mercedes-Benz EQS
- Polestar 4
Side by side
| Mercedes-Benz EQS | Polestar 4 | |
|---|---|---|
| $918 | Your annual fuel cost | $999 |
| 98 MPGe | Combined efficiency | 90 MPGe |
| 98 MPGe | City | 93 MPGe |
| 98 MPGe | Highway | 87 MPGe |
| 34 kWh | Electricity use (kWh/100 mi) | 37 kWh |
| 390 mi | Driving range | 300 mi |
| 103 cu ft | Passenger volume | 104 cu ft |
| 35 cu ft | Cargo volume | 25 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 | 11 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (265 kW) | Engine / motor | Electric motor (200 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.
Mercedes-Benz EQS vs Polestar 4 across model years
- Mercedes-Benz EQS
- Polestar 4
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 300 miles for the Polestar 4.
Per EPA interior volume figures, the Mercedes-Benz EQS has more cargo space (35 vs. 25 cu ft).
Among 94 2025 midsize & large SUVs, the Mercedes-Benz EQS ranks 5th and the Polestar 4 11th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2025 Mercedes-Benz EQS or the 2025 Polestar 4?
Measured by cost to drive, the Mercedes-Benz EQS. The Mercedes-Benz EQS is rated 98 MPGe combined and the Polestar 4 90 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2025 Mercedes-Benz EQS vs. the Polestar 4 per year?
At 15,000 miles a year with 18¢/kWh electricity, about $918 for the Mercedes-Benz EQS and $999 for the Polestar 4.
Which has more range?
The Mercedes-Benz EQS: about 390 miles versus 300 miles.
Which has more cargo space?
The Mercedes-Benz EQS, with 35 cu ft of luggage volume versus 25 cu ft (EPA interior volume index).
Mercedes-Benz EQS vs Polestar 4 in other years
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