2025 head-to-head · Midsize & Large SUV

2025 BMW iX vs Polestar 3

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
2025 BMW iXElectric
$1,042/ year to fuel
87 MPGe
✓ Cheaper to run
$953/ year to fuel
95 MPGe

The 2025 Polestar 3 is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $953 a year to fuel (95 MPGe), versus $1,042 for the 2025 BMW iX (87 MPGe). That's roughly $89 a year, or about $446 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

  • BMW iX
  • Polestar 3

Side by side

BMW iXPolestar 3
$1,042 Your annual fuel cost $953
87 MPGe Combined efficiency 95 MPGe
89 MPGe City 105 MPGe
85 MPGe Highway 86 MPGe
38.6 kWh Electricity use (kWh/100 mi) 35.3 kWh
219 mi Driving range 350 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
9 hrs Charge time at 240V 10 hrs
Electric Powertrain Electric
Electricity Fuel Electricity
Electric motors (420 kW) Engine / motor Electric motor (220 kW)
Single-speed Transmission Single-speed
AWD 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.

BMW iX vs Polestar 3 across model years

  • BMW iX
  • Polestar 3

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 3 goes farther between stops: about 350 miles on a charge, compared with 219 miles for the BMW iX.

Among 94 2025 midsize & large SUVs, the BMW iX ranks 13th and the Polestar 3 7th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2025 BMW iX or the 2025 Polestar 3?

Measured by cost to drive, the Polestar 3. The BMW iX is rated 87 MPGe combined and the Polestar 3 95 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2025 BMW iX vs. the Polestar 3 per year?

At 15,000 miles a year with 18¢/kWh electricity, about $1,042 for the BMW iX and $953 for the Polestar 3.

Which has more range?

The Polestar 3: about 350 miles versus 219 miles.

BMW iX vs Polestar 3 in other years

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