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BMW iX3 vs Mercedes GLA comparison

Compare performance (469 HP vs 421 HP), boot space and price (60,800 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – BMW iX3 or Mercedes GLA?

BMW iX3 vs Mercedes GLA: Key differences

BMW iX3

4.6 (4 Reviews)
rate
  • somewhat more power
  • substantially more electric range
details

Mercedes GLA

4.6 (3 Reviews)
rate
  • substantially cheaper
  • moderately quicker 0–100 km/h
  • significantly 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.

Mercedes GLA is substantially cheaper – starting at 38,800 £ , while the BMW iX3 costs 60,800 £ . That’s a price difference of around 21,935 £.

As for electric range, the BMW iX3 offers substantially more range – reaching up to 805 km, about 731 km more than the Mercedes GLA.

GLA

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BMW iX3 offers somewhat more power – delivering 469 HP compared to 421 HP. That’s roughly 48 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLA is moderately quicker – completing the sprint in 4.3 s, while the BMW iX3 takes 4.9 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the BMW iX3 delivers clearly more torque with 645 Nm compared to 500 Nm. That’s about 145 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, Mercedes GLA is significantly lighter – 1,570 kg compared to 2,360 kg. The difference is around 790 kg.

When it comes to payload, the Mercedes GLA carries barely more – 500 kg compared to 465 kg. That’s a difference of about 35 kg.

Who wins the race in the data check?

The BMW iX3 holds a decisive overall lead 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 £60,800
iX3

BMW iX3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 469 HP
  • Consumption kWh/100km : 15.1 kWh/100km
  • Electric Range : 805 km
details

Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW iX3

The BMW iX3 brings BMW's familiar SUV poise into the electric era, blending restrained styling and a comfortable, composed ride that will please traditionalists dipping their toes into electrification. It's quiet, practical and rather grown-up about going electric — a sensible choice for buyers who want BMW driving manners without the drama.

details
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P90626566_lowRes_the-new-bmw-ix3-50-x

Reviews BMW iX3

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

Nice range, fast charging and… bidirectional charging!!

Mercedes GLA

The Mercedes GLA blends Mercedes style with compact crossover practicality, looking sharper than its size suggests while still feeling purposeful around town. Inside it serves up premium materials and tech-forward ergonomics, and the composed ride makes it an appealing pick for buyers who want luxury wrapped in a city-friendly package with a wink of adventurous spirit.

details
20C0047_067
20C0047_071
20C0047_104
20C0047_115

Reviews Mercedes GLA

4.6 (3 Reviews)
rate
Gutter
24 Feb 2026, 21:53:27

Super nimble, very impressive power from this 1,300cc mild‑hybrid engine — in town, on the road and on the motorway for this 2025 GLA 180 Style AMG... premium interior!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Serge
16 Jan 2026, 16:09:11

You have to compare like with like — the GLA should be compared to the Q3, not the Q2 as in your study!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Mercedes A Class
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BMW iX3
Mercedes GLA

Costs and Consumption
Price
60,800 - 66,300 £
Price
38,800 - 75,300 £
Consumption L/100km
-
Consumption L/100km
2.9 - 9.5 L/100km
Consumption kWh/100km
15.1 kWh/100km
Consumption kWh/100km
-
Electric Range
805 km
Electric Range
74 km
Battery Capacity
-
Battery Capacity
12.9 kWh
co2
0 g/km
co2
66 - 216 g/km
Fuel tank capacity
-
Fuel tank capacity
35 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2,360 kg
Curb weight
1,570 - 1,810 kg
Trunk capacity
-
Trunk capacity
385 - 435 L
Length
-
Length
4,412 mm
Width
1,895 mm
Width
1,834 - 1,849 mm
Height
-
Height
1,616 mm
Max trunk capacity
-
Max trunk capacity
1,385 L
Payload
465 kg
Payload
480 - 500 kg

Engine and Performance
Engine Type
Electric
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
469 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
4.9 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
210 km/h
Torque
645 Nm
Torque
230 - 500 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
345 kW
Power kW
85 - 310 kW
Engine capacity
-
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
B, E, F, G
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW iX3?

Available configurations include All-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.