2020 head-to-head · Subcompact Car

2020 Audi A3 vs Polestar 1

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$1,550/ year to fuel
30 MPG
✓ Cheaper to run
2020 Polestar 1Plug-in hybrid
$1,720/ year to fuel
58 MPGe + 26 MPG

AWD · 2.0L 4-cyl turbo · 8-speed automatic · 58 MPGe + 26 MPG

The 2020 Audi A3 is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,550 a year to fuel (30 MPG), versus $1,720 for the 2020 Polestar 1 (58 MPGe + 26 MPG). That's roughly $170 a year, or about $848 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 A3
  • Polestar 1

Side by side

Audi A3Polestar 1
$1,550 Your annual fuel cost $1,720
30 MPG Combined efficiency 58 MPGe + 26 MPG
27 MPG City 55 MPGe / 22 MPG
36 MPG Highway 61 MPGe / 31 MPG
— Electricity use (kWh/100 mi) 57 kWh
— Driving range 470 mi
— All-electric range 52 mi
86 cu ft Passenger volume 72 cu ft
12 cu ft Cargo volume 4 cu ft
293 g/mi Tailpipe CO₂ (g/mi) 93 g/mi
7/10 EPA fuel economy score 10/10
7/10 EPA greenhouse gas score 10/10
— Charge time at 240V 9 hrs
Gas Powertrain Plug-in hybrid
Regular gasoline Fuel Premium gas + electricity
2.0L 4-cyl turbo Engine / motor 2.0L 4-cyl turbo
7-speed dual-clutch Transmission 8-speed automatic
FWD 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 A3 vs Polestar 1 across model years

  • Audi A3
  • Polestar 1

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

Per EPA interior volume figures, the Audi A3 has more passenger space (86 vs. 72 cu ft); the Audi A3 has more cargo space (12 vs. 4 cu ft).

Among 39 2020 subcompact cars, the Audi A3 ranks 6th and the Polestar 1 7th for lowest fuel cost.

The powertrains differ: the Audi A3 is a conventional gas model, while the Polestar 1 is a plug-in hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2020 Audi A3 or the 2020 Polestar 1?

Measured by cost to drive, the Audi A3. The Audi A3 is rated 30 MPG combined and the Polestar 1 58 MPGe + 26 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 Audi A3 vs. the Polestar 1 per year?

At 15,000 miles a year with $3.10/gal regular gas, 18¢/kWh electricity and $3.95/gal premium gas, about $1,550 for the Audi A3 and $1,720 for the Polestar 1.

Which has more cargo space?

The Audi A3, with 12 cu ft of luggage volume versus 4 cu ft (EPA interior volume index).

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