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BMW X7 vs Mercedes GLB comparison
Compare performance (530 HP vs 354 HP), boot space and price (91,300 £ vs 43,200 £ ) 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
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
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 is clearly cheaper – starting at 43,200 £ , while the BMW X7 costs 91,300 £ . That’s a price difference of around 48,088 £.
Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is considerably more efficient than the BMW X7 with 8 L/100km. The difference is about 2.3 L/100km.
GLB
Engine and Performance:
Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.
When it comes to engine power, the BMW X7 offers clearly more power – delivering 530 HP compared to 354 HP. That’s roughly 176 HP more horsepower.
When accelerating from 0 to 100 km/h, the BMW X7 is moderately quicker – completing the sprint in 4.7 s, while the Mercedes GLB takes 5.5 s. That’s about 0.8 s quicker.
There’s also a difference in torque: the BMW X7 delivers visibly more torque with 750 Nm compared to 515 Nm. That’s about 235 Nm more.
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 more seats – 7 vs 5.
In terms of curb weight, Mercedes GLB is visibly lighter – 1,840 kg compared to 2,490 kg. The difference is around 650 kg.
Looking at boot space, the BMW X7 offers noticeably more boot space – 750 L compared to 540 L. That’s a difference of about 210 L.
When it comes to payload, the BMW X7 carries noticeably more – 760 kg compared to 505 kg. That’s a difference of about 255 kg.
Who wins the race in the data check?
The BMW X7 holds a narrow 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 £91,300
BMW X7
BMW X7
Mercedes GLB
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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BMW X7
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.
details
Mercedes GLB
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.
details
BMW X7
Mercedes GLB
Costs and Consumption |
|
|---|---|
|
Price
91,300 - 118,300 £
|
Price
43,200 - 62,400 £
|
|
Consumption L/100km
8 - 12.1 L/100km
|
Consumption L/100km
5.7 - 6.1 L/100km
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
15.4 - 15.9 kWh/100km
|
|
Electric Range
-
|
Electric Range
431 - 631 km
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
210 - 274 g/km
|
co2
0 - 138 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
SUV
|
Body Type
SUV
|
|
Seats
7
|
Seats
5
|
|
Doors
-
|
Doors
-
|
|
Curb weight
2,490 - 2,675 kg
|
Curb weight
1,840 - 2,280 kg
|
|
Trunk capacity
750 L
|
Trunk capacity
540 L
|
|
Length
-
|
Length
-
|
|
Width
2,000 mm
|
Width
1,861 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
680 - 760 kg
|
Payload
485 - 505 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Diesel MHEV
|
Engine Type
Electric, Full Hybrid
|
|
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
156 - 354 HP
|
|
Acceleration 0-100km/h
4.7 - 5.9 s
|
Acceleration 0-100km/h
5.5 - 9.7 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
520 - 750 Nm
|
Torque
280 - 515 Nm
|
|
Number of Cylinders
6 - 8
|
Number of Cylinders
4
|
|
Power kW
259 - 390 kW
|
Power kW
115 - 260 kW
|
|
Engine capacity
2,993 - 4,395 cm3
|
Engine capacity
1,499 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2026
|
|
CO2 Efficiency Class
G
|
CO2 Efficiency Class
A, D, E
|
|
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.