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BMW X5 vs Mercedes GLB comparison

Compare performance (625 HP vs 354 HP), boot space and price (77,100 £ vs 50,600 £ ) at a glance. Find out which car is the better choice for you – BMW X5 or Mercedes GLB?

BMW X5 vs Mercedes GLB: Key differences

BMW X5

  • considerably more power
  • substantially quicker 0–100 km/h
  • slightly more trunk space

Mercedes GLB

3.2 (3 Reviews)
rate
  • significantly cheaper
  • substantially more electric range
  • very slightly 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

X5

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes GLB is significantly cheaper – starting at 50,600 £ , while the BMW X5 costs 77,100 £ . That’s a price difference of around 26,445 £.

As for electric range, the Mercedes GLB offers substantially more range – reaching up to 631 km, about 526 km more than the BMW X5.

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 X5 offers considerably more power – delivering 625 HP compared to 354 HP. That’s roughly 271 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW X5 is substantially quicker – completing the sprint in 3.9 s, while the Mercedes GLB takes 5.5 s. That’s about 1.6 s quicker.

There’s also a difference in torque: the BMW X5 delivers clearly more torque with 750 Nm compared to 515 Nm. That’s about 235 Nm more.

X5

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 GLB is very slightly lighter – 2,200 kg compared to 2,240 kg. The difference is around 40 kg.

Looking at boot space, the BMW X5 offers slightly more boot space – 650 L compared to 540 L. That’s a difference of about 110 L.

When it comes to payload, the BMW X5 carries markedly more – 705 kg compared to 500 kg. That’s a difference of about 205 kg.

Who wins the race in the data check?

The Mercedes GLB shows a few small advantages 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 £50,600
GLB

Mercedes GLB

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 272 - 354 HP
  • Consumption kWh/100km : 15.8 - 15.9 kWh/100km
  • Electric Range : 614 - 631 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW X5

The BMW X5 blends athletic handling with a roomy, premium interior, feeling equally at home on twisty country roads and the school-run car park. Its executive-lounge cabin and confident road presence make it a tempting choice for buyers who want comfort, capability and just a little bit of bragging rights.

details
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Reviews BMW X5

No reviews yet. Share your experience and help others decide.

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.

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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

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Mercedes GLB

Costs and Consumption
Price
77,100 - 143,500 £
Price
50,600 - 62,400 £
Consumption L/100km
3 - 12.8 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
15.8 - 15.9 kWh/100km
Electric Range
105 km
Electric Range
614 - 631 km
Battery Capacity
25.7 kWh
Battery Capacity
-
co2
68 - 289 g/km
co2
0 g/km
Fuel tank capacity
69 - 83 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,240 - 2,495 kg
Curb weight
2,200 - 2,280 kg
Trunk capacity
500 - 650 L
Trunk capacity
540 L
Length
4,935 mm
Length
-
Width
2,004 - 2,015 mm
Width
1,861 mm
Height
1,755 - 1,765 mm
Height
-
Max trunk capacity
1,720 - 1,870 L
Max trunk capacity
-
Payload
565 - 705 kg
Payload
500 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
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
298 - 625 HP
Power HP
272 - 354 HP
Acceleration 0-100km/h
3.9 - 6.1 s
Acceleration 0-100km/h
5.5 - 7.4 s
Max Speed
250 km/h
Max Speed
-
Torque
540 - 750 Nm
Torque
335 - 515 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
219 - 460 kW
Power kW
200 - 260 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
-

General
Model Year
2,025
Model Year
2,026
CO2 Efficiency Class
G, B
CO2 Efficiency Class
A
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW X5?

The BMW X5 is available as 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.