2021 head-to-head · Midsize Car
2021 Polestar 2 vs Volvo S90 Plug-in 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.
AWD · Electric motor (150 kW) · Single-speed · 92 MPGe · 233 mi
AWD · 2.0L 4-cyl turbo · 8-speed automatic · 60 MPGe + 30 MPG
The 2021 Polestar 2 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 $991 a year to fuel (92 MPGe), versus $1,676 for the 2021 Volvo S90 Plug-in Hybrid (60 MPGe + 30 MPG). That's roughly $685 a year, or about $3,427 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
- Polestar 2
- Volvo S90 Plug-in Hybrid
Side by side
| Polestar 2 | Volvo S90 Plug-in Hybrid | |
|---|---|---|
| $991 | Your annual fuel cost | $1,676 |
| 92 MPGe | Combined efficiency | 60 MPGe + 30 MPG |
| 96 MPGe | City | 58 MPGe / 28 MPG |
| 88 MPGe | Highway | 64 MPGe / 31 MPG |
| 36.7 kWh | Electricity use (kWh/100 mi) | 50 kWh |
| 233 mi | Driving range | 490 mi |
| — | All-electric range | 21 mi |
| 89 cu ft | Passenger volume | 102 cu ft |
| 26 cu ft | Cargo volume | 14 cu ft |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 163 g/mi |
| 10/10 | EPA fuel economy score | 8/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 8 hrs | Charge time at 240V | 3 hrs |
| Electric | Powertrain | Plug-in hybrid |
| Electricity | Fuel | Premium gas + electricity |
| Electric motor (150 kW) | Engine / motor | 2.0L 4-cyl turbo |
| Single-speed | Transmission | 8-speed automatic |
| AWD | Drivetrain | AWD |
✓ 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 2 vs Volvo S90 Plug-in Hybrid across model years
- Polestar 2
- Volvo S90 Plug-in 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
The Volvo S90 Plug-in Hybrid goes farther between stops: about 490 miles on a full tank and charge, compared with 233 miles for the Polestar 2.
Per EPA interior volume figures, the Volvo S90 Plug-in Hybrid has more passenger space (102 vs. 89 cu ft); the Polestar 2 has more cargo space (26 vs. 14 cu ft).
Among 54 2021 midsize cars, the Polestar 2 ranks 10th and the Volvo S90 Plug-in Hybrid 27th for lowest fuel cost.
Because the Polestar 2 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 Volvo S90 Plug-in Hybrid; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2021 Polestar 2 or the 2021 Volvo S90 Plug-in Hybrid?
Measured by cost to drive, the Polestar 2. The Polestar 2 is rated 92 MPGe combined and the Volvo S90 Plug-in Hybrid 60 MPGe + 30 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Polestar 2 vs. the Volvo S90 Plug-in Hybrid per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $991 for the Polestar 2 and $1,676 for the Volvo S90 Plug-in Hybrid.
Which has more range?
The Volvo S90 Plug-in Hybrid: about 490 miles versus 233 miles.
Which has more cargo space?
The Polestar 2, with 26 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).
Polestar 2 vs Volvo S90 Plug-in Hybrid in other years
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