BMW iX3 vs Lexus RZ

Updated October 2026 · Real-world figures, not WLTP

BMW iX3

iX3 40 (MY26)

£53,670 · 317 mi

Wins 14 of 16

Lexus RZ

RZ 350e (MY26)

£53,995 · 252 mi

Wins 2 of 16

Our verdict

The BMW iX3 and Lexus RZ are both electric SUVs in the large car class. The BMW iX3 starts at £53,670 in the UK and the Lexus RZ at £53,995, comparing the cheapest version of each.

The iX3 goes further, with about 317 miles of real-world range against 252 for the RZ. On top of that, it charges faster on a rapid charger (170 kW against 110 kW on average, 10–80%), uses less energy (3.8 mi/kWh against 3.5 mi/kWh), has the bigger boot (578 litres against 522) and is quicker, doing 0–62 mph in 5.9 s against 7.5 s.

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

Choose the BMW iX3 if you want the longest range and quicker charging stops.

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

BMW iX3Lexus RZ

Price

Price new: £53,670 (best)on sale now; £53,995on sale now
Used from (estimated): –too new; £30,8002025 car
Price per mile of range: £169 (best); £215

Range and efficiency

Real-world range: 317 mi (best)510 km, estimate; 252 mi405 km, estimate
Range today, used (estimated): –; about 247 mi2025 car, est.
Efficiency: 3.8 mi/kWh (best)162 Wh/km, estimate; 3.5 mi/kWh178 Wh/km, estimate
Range with one 15-min stop: 383 mi (best)616 km; 272 mi438 km

Charging

Rapid charging: 170 kW (best)10–80% average; 110 kW10–80% average
Home (AC) charging: 22 kW; 22 kW
Charging plug: Type 2 CCS; Type 2 CCS
Vehicle-to-load (V2L): Yes (best); No
Vehicle-to-home (V2H): Yes (best); No
Vehicle-to-grid (V2G): Yes (best); No

Battery

Usable battery: 82.6 kWh (best); 72 kWh
Battery chemistry: NCM (nickel manganese cobalt); NCM (nickel manganese cobalt)
Heat pump: Yes; Yes

Body and performance

Body style: SUV; SUV
Size class: D · Large car; D · Large car
Seats: 5; 5
Drive: Rear-wheel drive; Front-wheel drive
0–62 mph: 5.9 s (best)0–100 km/h; 7.5 s0–100 km/h
Weight: 2,160 kg; 1,995 kg

Size

Length: 4.78 m15 ft 8 in; 4.81 m15 ft 9 in
Width (without mirrors): 1.90 m6 ft 3 in; 1.90 m6 ft 3 in
Width with mirrors: 2.09 m6 ft 10 in; 2.16 m7 ft 1 in
Height: 1.64 m5 ft 4 in; 1.64 m5 ft 4 in
Wheelbase: 2.90 m9 ft 6 in; 2.85 m9 ft 4 in

Practicality and safety

Boot space: 578 litres (best); 522 litres
Towbar available: Yes; Yes
Towing (braked): 2,000 kg (best); 750 kg
Max payload: 540 kgpeople and luggage; 600 kg (best)people and luggage
Euro NCAP rating: 5 stars; –not tested yet

Warranty (UK)

Car warranty: 3 years (best)unlimited miles; 3 years60,000 miles
Battery warranty: 8 years100,000 miles, 70% capacity; 10 years (best)1,000,000 miles
Passes to next owner: Yes; Yes

Availability

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