VS

BMW X6 vs Mercedes GLA comparison

Compare performance (625 HP vs 421 HP), boot space and price (84,100 £ vs 38,800 £ ) at a glance. Find out which car is the better choice for you – BMW X6 or Mercedes GLA?

BMW X6 vs Mercedes GLA: Key differences

BMW X6

4.5 (2 Reviews)
rate
  • noticeably more power
  • somewhat quicker 0–100 km/h
  • noticeably more trunk space
details

Mercedes GLA

4.5 (4 Reviews)
rate
  • significantly cheaper
  • substantially more efficient
  • substantially 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

X6

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes GLA is significantly cheaper – starting at 38,800 £ , while the BMW X6 costs 84,100 £ . That’s a price difference of around 45,249 £.

Fuel consumption also shows a difference: the Mercedes GLA uses 2.9 L/100km and is substantially more efficient than the BMW X6 with 7.2 L/100km. The difference is about 4.3 L/100km.

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 X6 offers noticeably more power – delivering 625 HP compared to 421 HP. That’s roughly 204 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW X6 is somewhat quicker – completing the sprint in 3.9 s, while the Mercedes GLA takes 4.3 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the BMW X6 delivers clearly more torque with 750 Nm compared to 500 Nm. That’s about 250 Nm more.

X6

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes GLA is substantially lighter – 1,570 kg compared to 2,240 kg. The difference is around 670 kg.

Looking at boot space, the BMW X6 offers noticeably more boot space – 580 L compared to 435 L. That’s a difference of about 145 L.

When it comes to payload, the BMW X6 carries noticeably more – 695 kg compared to 500 kg. That’s a difference of about 195 kg.

Who wins the race in the data check?

The Mercedes GLA is clearly superior overall 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 £38,800
GLA

Mercedes GLA

  • Engine Type Petrol MHEV, Plugin Hybrid, Diesel, Petrol
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 421 HP
  • Consumption L/100km 2.9 - 9.5 L/100km
  • Electric Range 74 km
BMW X6
Mercedes GLA

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW X6

The BMW X6 wears its coupe-SUV looks like a tuxedo with oversized shoulders, turning everyday traffic into a catwalk whenever it glides past. It serves up sporty handling and a plush cabin with just enough practicality to keep daily life sane — perfect for buyers who crave drama without completely abandoning common sense.

details

Mercedes GLA

The Mercedes GLA is a compact luxury crossover that brings Mercedes-Benz's refined design and premium cabin materials into a practical, city-friendly package. It combines comfortable ride quality and intuitive tech with poised handling, making it a confident choice for everyday driving and longer journeys.

details
BMW X6
Mercedes GLA

Costs and Consumption

Price
84,100 - 147,300 £
Price
38,800 - 75,300 £
Consumption L/100km
7.2 - 12.7 L/100km
Consumption L/100km
2.9 - 9.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
74 km
Battery Capacity
-
Battery Capacity
-
co2
188 - 288 g/km
co2
66 - 216 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
2,240 - 2,445 kg
Curb weight
1,570 - 1,810 kg
Trunk capacity
580 L
Trunk capacity
385 - 435 L
Length
-
Length
-
Width
2,004 - 2,019 mm
Width
1,834 - 1,849 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
595 - 695 kg
Payload
480 - 500 kg

Engine and Performance

Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
298 - 625 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
3.9 - 6.1 s
Acceleration 0-100km/h
4.3 - 11 s
Max Speed
-
Max Speed
-
Torque
540 - 750 Nm
Torque
230 - 500 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
219 - 460 kW
Power kW
85 - 310 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,332 - 1,991 cm3

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
E, F, B, G
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.