2026 head-to-head · Midsize & Large SUV
2026 Polestar 4 vs Volvo EX90
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 2026 Polestar 4 (95 MPGe) costs about $945 a year to fuel and the 2026 Volvo EX90 (98 MPGe) about $931.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Polestar 4
- Volvo EX90
Side by side
| Polestar 4 | Volvo EX90 | |
|---|---|---|
| $945 | Your annual fuel cost | $931 |
| 95 MPGe | Combined efficiency | 98 MPGe |
| 100 MPGe | City | 104 MPGe |
| 90 MPGe | Highway | 91 MPGe |
| 35 kWh | Electricity use (kWh/100 mi) | 34.5 kWh |
| 310 mi | Driving range | 291 mi |
| 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 |
| 11 hrs | Charge time at 240V | 10 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor (200 kW) | Engine / motor | Electric motor (245 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.
Polestar 4 vs Volvo EX90 across model years
- Polestar 4
- Volvo EX90
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 Polestar 4 goes farther between stops: about 310 miles on a charge, compared with 291 miles for the Volvo EX90.
Among 91 2026 midsize & large SUVs, the Polestar 4 ranks 11th and the Volvo EX90 7th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 Polestar 4 or the 2026 Volvo EX90?
Measured by cost to drive, the Volvo EX90. The Polestar 4 is rated 95 MPGe combined and the Volvo EX90 98 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Polestar 4 vs. the Volvo EX90 per year?
At 15,000 miles a year with 18¢/kWh electricity, about $945 for the Polestar 4 and $931 for the Volvo EX90.
Which has more range?
The Polestar 4: about 310 miles versus 291 miles.
Polestar 4 vs Volvo EX90 in other years
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