2021 head-to-head · Midsize Car
2021 Audi A7 Plug-in Hybrid vs Polestar 2
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 · 2.0L 4-cyl turbo · 7-speed dual-clutch · 68 MPGe + 29 MPG
AWD · Electric motor (150 kW) · Single-speed · 92 MPGe · 233 mi
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 $1,598 for the 2021 Audi A7 Plug-in Hybrid (68 MPGe + 29 MPG). That's roughly $608 a year, or about $3,038 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 A7 Plug-in Hybrid
- Polestar 2
Side by side
| Audi A7 Plug-in Hybrid | Polestar 2 | |
|---|---|---|
| $1,598 | Your annual fuel cost | $991 |
| 68 MPGe + 29 MPG | Combined efficiency | 92 MPGe |
| 64 MPGe / 26 MPG | City | 96 MPGe |
| 74 MPGe / 34 MPG | Highway | 88 MPGe |
| 46 kWh | Electricity use (kWh/100 mi) | 36.7 kWh |
| 440 mi | Driving range | 233 mi |
| 24 mi | All-electric range | — |
| 95 cu ft | Passenger volume | 89 cu ft |
| 25 cu ft | Cargo volume | 26 cu ft |
| 139 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 9/10 | EPA fuel economy score | 10/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 2.4 hrs | Charge time at 240V | 8 hrs |
| Plug-in hybrid | Powertrain | Electric |
| Premium gas + electricity | Fuel | Electricity |
| 2.0L 4-cyl turbo | Engine / motor | Electric motor (150 kW) |
| 7-speed dual-clutch | Transmission | Single-speed |
| 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.
Audi A7 Plug-in Hybrid vs Polestar 2 across model years
- Audi A7 Plug-in Hybrid
- Polestar 2
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 Audi A7 Plug-in Hybrid goes farther between stops: about 440 miles on a full tank and charge, compared with 233 miles for the Polestar 2.
Per EPA interior volume figures, the Audi A7 Plug-in Hybrid has more passenger space (95 vs. 89 cu ft); the Polestar 2 has more cargo space (26 vs. 25 cu ft).
Among 54 2021 midsize cars, the Audi A7 Plug-in Hybrid ranks 22nd and the Polestar 2 10th 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 Audi A7 Plug-in Hybrid; relying on DC fast chargers can erase it.
Frequently asked questions
Which is more fuel-efficient, the 2021 Audi A7 Plug-in Hybrid or the 2021 Polestar 2?
Measured by cost to drive, the Polestar 2. The Audi A7 Plug-in Hybrid is rated 68 MPGe + 29 MPG combined and the Polestar 2 92 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2021 Audi A7 Plug-in Hybrid vs. the Polestar 2 per year?
At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,598 for the Audi A7 Plug-in Hybrid and $991 for the Polestar 2.
Which has more range?
The Audi A7 Plug-in Hybrid: about 440 miles versus 233 miles.
Which has more cargo space?
The Polestar 2, with 26 cu ft of luggage volume versus 25 cu ft (EPA interior volume index).
Audi A7 Plug-in Hybrid vs Polestar 2 in other years
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