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BMW X5 vs Mercedes GLS comparison

Compare performance (625 HP vs 404 HP), boot space and price (77,600 £ vs 92,700 £ ) at a glance. Find out which car is the better choice for you – BMW X5 or Mercedes GLS?

BMW X5 vs Mercedes GLS: Key differences

BMW X5

3.6 (1 Reviews)
rate
  • somewhat cheaper
  • visibly more power
  • substantially more efficient
  • substantially quicker 0–100 km/h
  • somewhat lighter
  • considerably more trunk space
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Mercedes GLS

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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

X5

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BMW X5 is somewhat cheaper – starting at 77,600 £ , while the Mercedes GLS costs 92,700 £ . That’s a price difference of around 15,091 £.

Fuel consumption also shows a difference: the BMW X5 uses 3 L/100km and is substantially more efficient than the Mercedes GLS with 7.9 L/100km. The difference is about 4.9 L/100km.

GLS

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 visibly more power – delivering 625 HP compared to 404 HP. That’s roughly 221 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 GLS takes 5.6 s. That’s about 1.7 s quicker.

Both models offer the same torque – 750 Nm.

X5

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Mercedes GLS offers more seats – 7 vs 5.

In terms of curb weight, BMW X5 is somewhat lighter – 2,240 kg compared to 2,580 kg. The difference is around 340 kg.

Looking at boot space, the BMW X5 offers considerably more boot space – 650 L compared to 355 L. That’s a difference of about 295 L.

When it comes to payload, the Mercedes GLS carries slightly more – 820 kg compared to 705 kg. That’s a difference of about 115 kg.

Who wins the race in the data check?

The BMW X5 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 £77,600
X5

BMW X5

  • Engine Type Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 298 - 625 HP
  • Consumption L/100km 3 - 12.8 L/100km
  • Electric Range 105 km
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Mercedes GLS

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.

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Reviews BMW X5

3.6 (1 Reviews)
rate
Kazibwe Patrick
21 Apr 2026, 11:42:53

Very Good

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

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

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Reviews Mercedes GLS

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

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Mercedes GLS

Costs and Consumption
Price
77,600 - 144,400 £
Price
92,700 - 104,600 £
Consumption L/100km
3 - 12.8 L/100km
Consumption L/100km
7.9 - 9.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
105 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
68 - 289 g/km
co2
206 - 226 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
-
Curb weight
2,240 - 2,495 kg
Curb weight
2,580 - 2,670 kg
Trunk capacity
500 - 650 L
Trunk capacity
355 L
Length
-
Length
-
Width
2,004 - 2,015 mm
Width
1,956 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
565 - 705 kg
Payload
810 - 820 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
298 - 625 HP
Power HP
336 - 404 HP
Acceleration 0-100km/h
3.9 - 6.1 s
Acceleration 0-100km/h
5.6 - 6.2 s
Max Speed
-
Max Speed
-
Torque
540 - 750 Nm
Torque
560 - 750 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6
Power kW
219 - 460 kW
Power kW
247 - 297 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
2,989 - 2,999 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
G, B
CO2 Efficiency Class
G
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.