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BMW X7 vs Mercedes GLB comparison

Compare performance (530 HP vs 354 HP), boot space and price (90800 £ vs 50600 £ ) at a glance. Find out which car is the better choice for you – BMW X7 or Mercedes GLB?

BMW X7 vs Mercedes GLB: Key differences

BMW X7

5 (1 Reviews)
rate
  • distinct more power
  • slightly quicker from 0–100 km/h
  • evident more trunk space

Mercedes GLB

3.2 (3 Reviews)
rate
  • clearly cheaper
  • a bit lighter

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

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

X7

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 GLB has a clearly advantage in terms of price – it starts at 50600 £ , while the BMW X7 costs 90800 £ . That’s a price difference of around 40159 £.

GLB

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 X7 has a distinct edge – offering 530 HP compared to 354 HP. That’s roughly 176 HP more horsepower.

In acceleration from 0 to 100 km/h, the BMW X7 is slightly quicker – completing the sprint in 4.70 s, while the Mercedes GLB takes 5.50 s. That’s about 0.80 s faster.

There’s also a difference in torque: BMW X7 pulls distinct stronger with 750 Nm compared to 515 Nm. That’s about 235 Nm difference.

X7

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.

Seats: BMW X7 offers noticeable more seating capacity – 7 vs 5.

In curb weight, Mercedes GLB is a bit lighter – 2200 kg compared to 2490 kg. The difference is around 290 kg.

In terms of boot space, the BMW X7 offers evident more room – 750 L compared to 540 L. That’s a difference of about 210 L.

When it comes to payload, BMW X7 noticeable takes the win – 760 kg compared to 500 kg. That’s a difference of about 260 kg.

Who wins the race in the data check?

The BMW X7 sits just ahead 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.

Frequently compared as well

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Mercedes GLB
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Mercedes GLB
Skoda Kodiaq
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The Mercedes GLB dresses up compact practicality in a premium suit, with crisp tech and city-friendly manners, while the Skoda Kodiaq goes full-on family hauler, offering cavernous space and sensible value. Choose the GLB for style and badge appeal; pick the Kodiaq if you need seats, luggage and a …
BMW X7
Mercedes GLB

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £90,800
X7

BMW X7

  • Engine Type : Petrol MHEV, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 352 - 530 HP
  • Consumption L/100km : 8 - 12.1 L
details

BMW X7

5 (1 Reviews)
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The BMW X7 sits at the top of BMW’s SUV range, wrapping executive-level luxury and a cavernous cabin in a bold, road-commanding package. It’s ideal for buyers who want first-class comfort and presence on the road — think chauffeur-level refinement without hiring one, though you’ll need a confident approach to parking.

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Mercedes GLB

3.2 (3 Reviews)
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The Mercedes GLB is a practical compact SUV that mixes boxy, family-friendly space with premium German polish, making it an appealing choice for buyers who want usefulness without pretension. It drives with a confident, composed feel and somehow manages to look both rugged and refined — the grown-up SUV that still likes to have fun.

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Reviews BMW X7

5 (1 Reviews)
rate

Reviews Mercedes GLB

3.2 (3 Reviews)
rate
Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
BMW X7
Mercedes GLB

Costs and Consumption
Price
90800 - 117500 £
Price
50600 - 62400 £
Consumption L/100km
8 - 12.1 L
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
15.8 - 15.9 kWh
Electric Range
-
Electric Range
614 - 631 km
Battery Capacity
-
Battery Capacity
-
co2
210 - 274 g/km
co2
0 g/km
Fuel tank capacity
80 - 83 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
7
Seats
5
Doors
5
Doors
-
Curb weight
2490 - 2675 kg
Curb weight
2200 - 2280 kg
Trunk capacity
750 L
Trunk capacity
540 L
Length
5181 mm
Length
-
Width
2000 mm
Width
1861 mm
Height
1835 mm
Height
-
Max trunk capacity
2120 L
Max trunk capacity
-
Payload
680 - 760 kg
Payload
500 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
352 - 530 HP
Power HP
272 - 354 HP
Acceleration 0-100km/h
4.7 - 5.9 s
Acceleration 0-100km/h
5.5 - 7.4 s
Max Speed
245 - 250 km/h
Max Speed
-
Torque
520 - 750 Nm
Torque
335 - 515 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
259 - 390 kW
Power kW
200 - 260 kW
Engine capacity
2993 - 4395 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
BMW
Brand
Mercedes-Benz

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What drivetrain options does the BMW X7 have?

The BMW X7 is available as All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.