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BMW iX3 vs Mercedes CLA Coupe comparison
Compare performance (469 HP vs 354 HP), boot space and price (54,300 £ vs 39,600 £ ) at a glance. Find out which car is the better choice for you – BMW iX3 or Mercedes CLA Coupe?
BMW iX3 vs Mercedes CLA Coupe: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
iX3
Costs and Efficiency:
Looking at overall running costs, both models reveal some interesting differences in everyday economy.
Mercedes CLA Coupe is markedly cheaper – starting at 39,600 £ , while the BMW iX3 costs 54,300 £ . That’s a price difference of around 14,706 £.
In terms of energy consumption, the Mercedes CLA Coupe is moderately more efficient: consuming 12.3 kWh/100km compared to 14.6 kWh/100km for the BMW iX3. That’s a difference of about 2.3 kWh/100km.
As for electric range, the BMW iX3 offers only slightly more range – reaching up to 805 km, about 13 km more than the Mercedes CLA Coupe.
CLA Coupe
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 markedly more power – delivering 469 HP compared to 354 HP. That’s roughly 115 HP more horsepower.
Both models accelerate almost equally fast – 4.9 s from 0 to 100 km/h.
There’s also a difference in torque: the BMW iX3 delivers markedly more torque with 645 Nm compared to 515 Nm. That’s about 130 Nm more.
iX3
Space and Everyday Use:
Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.
Both vehicles offer seating for 5 people.
In terms of curb weight, Mercedes CLA Coupe is markedly lighter – 1,695 kg compared to 2,360 kg. The difference is around 665 kg.
When it comes to payload, the BMW iX3 carries very slightly more – 465 kg compared to 455 kg. That’s a difference of about 10 kg.
Who wins the race in the data check?
The Mercedes CLA Coupe is slightly 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 £39,600
Mercedes CLA Coupe
BMW iX3
Mercedes CLA Coupe
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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.
details
Mercedes CLA Coupe
The Mercedes CLA Coupe cuts a rakish silhouette that blends sporty coupe lines with everyday practicality, giving style-minded buyers a premium image without shouting. Inside it feels more luxurious than its size suggests, with a slick cabin, intuitive tech and a composed ride — the kind of car that parties in the city and still shows up polished on Sunday morning.
details
BMW iX3
Mercedes CLA Coupe
Costs and Consumption |
|
|---|---|
|
Price
54,300 - 66,300 £
|
Price
39,600 - 60,000 £
|
|
Consumption L/100km
-
|
Consumption L/100km
4.9 - 5.3 L/100km
|
|
Consumption kWh/100km
14.6 - 15.1 kWh/100km
|
Consumption kWh/100km
12.3 - 12.7 kWh/100km
|
|
Electric Range
635 - 805 km
|
Electric Range
542 - 792 km
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
0 g/km
|
co2
0 - 120 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
Coupe
|
|
Seats
5
|
Seats
5
|
|
Doors
-
|
Doors
-
|
|
Curb weight
2,360 kg
|
Curb weight
1,695 - 2,135 kg
|
|
Trunk capacity
-
|
Trunk capacity
405 L
|
|
Length
-
|
Length
-
|
|
Width
1,895 mm
|
Width
1,855 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
465 kg
|
Payload
430 - 455 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Electric
|
Engine Type
Electric, Full Hybrid
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Reduction Gearbox
|
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
|
|
Drive Type
All-Wheel Drive, Rear-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive, Front-Wheel Drive
|
|
Power HP
320 - 469 HP
|
Power HP
156 - 354 HP
|
|
Acceleration 0-100km/h
4.9 - 5.9 s
|
Acceleration 0-100km/h
4.9 - 8.8 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
500 - 645 Nm
|
Torque
280 - 515 Nm
|
|
Number of Cylinders
-
|
Number of Cylinders
4
|
|
Power kW
235 - 345 kW
|
Power kW
115 - 260 kW
|
|
Engine capacity
-
|
Engine capacity
1,499 cm3
|
General |
|
|---|---|
|
Model Year
2026
|
Model Year
2,025 - 2,026
|
|
CO2 Efficiency Class
A
|
CO2 Efficiency Class
A, C, D
|
|
Brand
BMW
|
Brand
Mercedes-Benz
|
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.