BMW iX vs Polestar 4

Updated October 2026 · Real-world figures, not WLTP

BMW iX

iX xDrive45

£75,305 · 292 mi

Wins 4 of 12

Polestar 4

4 SUV Rear Motor (MY27)

£54,750 · 304 mi

Wins 8 of 12

Our verdict

The BMW iX and Polestar 4 are both electric SUVs in the executive car class. The BMW iX starts at £75,305 in the UK and the Polestar 4 at £54,750, comparing the cheapest version of each.

The iX is quicker, doing 0–62 mph in 5.1 s against 7.3 s.

The 4 goes further, with about 304 miles of real-world range against 292 for the iX. On top of that, it is £20,555 cheaper to buy new (£54,750 against £75,305), charges faster on a rapid charger (135 kW against 115 kW on average, 10–80%), uses less energy (3.2 mi/kWh against 3.1 mi/kWh) and has the bigger boot (545 litres against 500).

There's little between them on warranty length (3 years).

Choose the BMW iX if you want more performance and the Polestar 4 if you want the longest range and the lower price.

Written from the figures below, comparing the cheapest UK version of each. Other versions can differ: open them in Compare to swap versions.

BMW iXPolestar 4

Price

Price new: £75,305on sale now; £54,750 (best)on sale now
Used from (estimated): £42,9002025 car; –too new
Price per mile of range: £258; £180 (best)

Range and efficiency

Real-world range: 292 mi470 km, estimate; 304 mi (best)490 km, estimate
Range today, used (estimated): about 286 mi2025 car, est.; –
Efficiency: 3.1 mi/kWh202 Wh/km, estimate; 3.2 mi/kWh (best)192 Wh/km, estimate
Range with one 15-min stop: 304 mi490 km; 327 mi (best)526 km

Charging

Rapid charging: 115 kW10–80% average; 135 kW (best)10–80% average
Home (AC) charging: 22 kW; 22 kW
Charging plug: Type 2 CCS; Type 2 CCS
Vehicle-to-load (V2L): No; Yes (best)
Vehicle-to-home (V2H): No; No
Vehicle-to-grid (V2G): No; No

Battery

Usable battery: 94.8 kWh (best); 94 kWhestimate
Battery chemistry: NCM (nickel manganese cobalt); NCM (nickel manganese cobalt)
Heat pump: Yes; Yes

Body and performance

Body style: SUV; SUV
Size class: E · Executive car; E · Executive car
Seats: 5; 5
Drive: All-wheel drive; Rear-wheel drive
0–62 mph: 5.1 s (best)0–100 km/h; 7.3 s0–100 km/h
Weight: 2,525 kg; 2,340 kg

Size

Length: 4.97 m16 ft 3 in; –
Width (without mirrors): 1.97 m6 ft 6 in; –
Width with mirrors: 2.23 m7 ft 4 in; –
Height: 1.70 m5 ft 7 in; –
Wheelbase: 3.00 m9 ft 10 in; 3.00 m9 ft 10 in

Practicality and safety

Boot space: 500 litres; 545 litres (best)
Towbar available: Yes; Yes
Towing (braked): 2,500 kg (best); 1,500 kg
Max payload: 650 kgpeople and luggage; –
Euro NCAP rating: –not tested yet; –not tested yet

Warranty (UK)

Car warranty: 3 years (best)unlimited miles; 3 years60,000 miles
Battery warranty: 8 years100,000 miles, 70% capacity; 8 years100,000 miles, 70% capacity
Passes to next owner: Yes; Yes

Availability

Status: On sale new; On sale new
Model years: 2025 on; 2026 on

Green marks the better figure in each row. Range is a real-world estimate, not WLTP. Used prices are estimates. Warranty terms are UK terms from each maker’s website.