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BMW iX3 vs Lexus RZ comparison

Compare performance (469 HP vs 408 HP), boot space and price (54,300 £ vs 48,900 £ ) at a glance. Find out which car is the better choice for you – BMW iX3 or Lexus RZ?

BMW iX3 vs Lexus RZ: Key differences

BMW iX3

4.6 (4 Reviews)
rate
  • somewhat more power
  • marginally more efficient
  • clearly more electric range
details

Lexus RZ

4.8 (2 Reviews)
rate
  • slightly cheaper
  • a bit quicker 0–100 km/h
  • slightly lighter
details

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

iX3

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Lexus RZ is slightly cheaper – starting at 48,900 £ , while the BMW iX3 costs 54,300 £ . That’s a price difference of around 5,400 £.

In terms of energy consumption, the BMW iX3 is marginally more efficient: consuming 14.6 kWh/100km compared to 14.7 kWh/100km for the Lexus RZ. That’s a difference of about 0.1 kWh/100km.

As for electric range, the BMW iX3 offers clearly more range – reaching up to 805 km, about 246 km more than the Lexus RZ.

RZ

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the BMW iX3 offers somewhat more power – delivering 469 HP compared to 408 HP. That’s roughly 61 HP more horsepower.

When accelerating from 0 to 100 km/h, the Lexus RZ is a bit quicker – completing the sprint in 4.4 s, while the BMW iX3 takes 4.9 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the BMW iX3 delivers somewhat more torque with 645 Nm compared to 538 Nm. That’s about 107 Nm more.

iX3

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Lexus RZ is slightly lighter – 1,995 kg compared to 2,360 kg. The difference is around 365 kg.

When it comes to payload, the Lexus RZ carries moderately more – 540 kg compared to 465 kg. That’s a difference of about 75 kg.

Who wins the race in the data check?

The BMW iX3 is barely ahead in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £54,300
iX3

BMW iX3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 320 - 469 HP
  • Consumption kWh/100km : 14.6 - 15.1 kWh/100km
  • Electric Range : 635 - 805 km
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Frequently compared as well

BMW iX3
Volvo EX60
VS
The BMW iX3 and Volvo EX60 represent two different takes on the compact electric SUV: BMW focuses on driving dynamics and efficiency, while Volvo emphasizes safety, interior comfort and tech. This short comparison will show where each model shines so you can choose which suits your priorities.
BMW iX3
Mercedes GLB
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The BMW iX3 and Mercedes GLB go head-to-head as two very different takes on the premium compact SUV: the iX3 is BMW’s electric, efficiency-focused offering while the GLB is Mercedes’ practical, multi‑seat family SUV. This comparison will help you weigh the iX3’s EV range, refinement and tech …
BMW iX3
Lexus RZ

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW iX3

The BMW iX3 is an electric SUV that delivers the composed, premium driving experience BMW buyers expect. With a calm, refined cabin and practical everyday usability, it’s a strong choice for those who want electric motoring without giving up luxury and comfort.

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Reviews BMW iX3

4.6 (4 Reviews)
rate
Johan
20 Sept 2025, 16:15:37

Nice range, fast charging and… bidirectional charging!!

Lexus RZ

The Lexus RZ brings Lexus' trademark quiet luxury to the electric SUV world, wrapping poised handling and a plush, well-crafted cabin in a calm, composed package. It won't shout about raw figures — instead it trades headline numbers for smooth power delivery, fuss-free tech and an effortless refinement that will suit buyers who want electric convenience without losing the luxury experience.

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Reviews Lexus RZ

4.8 (2 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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Lexus RZ

Costs and Consumption
Price
54,300 - 66,300 £
Price
48,900 - 67,500 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Consumption kWh/100km
14.7 - 18.1 kWh/100km
Electric Range
635 - 805 km
Electric Range
457 - 559 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,360 kg
Curb weight
1,995 - 2,135 kg
Trunk capacity
-
Trunk capacity
-
Length
-
Length
-
Width
1,895 mm
Width
1,895 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
465 kg
Payload
505 - 540 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
320 - 469 HP
Power HP
227 - 408 HP
Acceleration 0-100km/h
4.9 - 5.9 s
Acceleration 0-100km/h
4.4 - 7.5 s
Max Speed
-
Max Speed
-
Torque
500 - 645 Nm
Torque
269 - 538 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
235 - 345 kW
Power kW
167 - 300 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BMW
Brand
Lexus
What drive types are available for the BMW iX3?

Available configurations include All-Wheel Drive or Rear-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.