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BMW XM vs Mercedes G Class comparison

Compare performance (748 HP vs 605 HP), boot space and price (116,100 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – BMW XM or Mercedes G Class?

BMW XM vs Mercedes G Class: Key differences

BMW XM

  • somewhat more power
  • clearly more efficient
  • a bit quicker 0–100 km/h
details

Mercedes G Class

  • marginally cheaper
  • clearly more electric range
  • marginally lighter
  • slightly more trunk space
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By Achim Sedelmaier

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

XM

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 G Class is marginally cheaper – starting at 106,600 £ , while the BMW XM costs 116,100 £ . That’s a price difference of around 9,552 £.

Fuel consumption also shows a difference: the BMW XM uses 4.7 L/100km and is clearly more efficient than the Mercedes G Class with 8.7 L/100km. The difference is about 4 L/100km.

As for electric range, the Mercedes G Class offers clearly more range – reaching up to 468 km, about 388 km more than the BMW XM.

G Class

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 XM offers somewhat more power – delivering 748 HP compared to 605 HP. That’s roughly 143 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW XM is a bit quicker – completing the sprint in 3.8 s, while the Mercedes G Class takes 4.4 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the Mercedes G Class delivers moderately more torque with 1,164 Nm compared to 1,000 Nm. That’s about 164 Nm more.

XM

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 XM offers more seats – 7 vs 5.

In terms of curb weight, Mercedes G Class is marginally lighter – 2,485 kg compared to 2,695 kg. The difference is around 210 kg.

Looking at boot space, the Mercedes G Class offers slightly more boot space – 640 L compared to 527 L. That’s a difference of about 113 L.

When it comes to payload, the Mercedes G Class carries noticeably more – 715 kg compared to 525 kg. That’s a difference of about 190 kg.

Who wins the race in the data check?

The Mercedes G Class stands well ahead of its rival 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 £106,600
G Class

Mercedes G Class

  • Engine Type : Electric, Petrol MHEV, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 387 - 605 HP
  • Consumption L/100km : 8.7 - 14.7 L/100km
  • Consumption kWh/100km : 28 kWh/100km
  • Electric Range : 468 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 XM

The BMW XM is an unapologetically bold flagship that fuses brash, hyper-styled presence with the kind of luxury that commands attention wherever it goes. Inside it's a leather-clad showpiece loaded with modern tech and a driving personality that blends theatrical muscle with refined grand-tourer composure—ideal for buyers who want drama and comfort in equal measure.

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Reviews BMW XM

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Mercedes G Class

The G-Class, often called the G‑Wagen, is a blocky icon that blends unapologetic off-road prowess with a plush, modern cabin, announcing your arrival before you even step out. It’s equally at home crawling over rocks or cruising city streets, and owning one feels like adopting a very expensive, very capable personality.

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Reviews Mercedes G Class

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BMW XM
Mercedes G Class

Costs and Consumption
Price
116,100 - 159,300 £
Price
106,600 - 171,000 £
Consumption L/100km
4.7 - 5.3 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
78 - 80 km
Electric Range
468 km
Battery Capacity
-
Battery Capacity
116 kWh
co2
105 - 119 g/km
co2
0 - 336 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Off-Roader
Seats
7
Seats
5
Doors
-
Doors
5
Curb weight
2,695 - 2,795 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
527 L
Trunk capacity
620 - 640 L
Length
-
Length
4,624 mm
Width
2,005 mm
Width
1,931 - 1,984 mm
Height
-
Height
1,983 mm
Max trunk capacity
-
Max trunk capacity
1,990 L
Payload
505 - 525 kg
Payload
415 - 715 kg

Engine and Performance
Engine Type
Plugin Hybrid
Engine Type
Electric, Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
476 - 748 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
3.8 - 5.1 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
-
Max Speed
180 km/h
Torque
700 - 1,000 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
350 - 550 kW
Power kW
285 - 445 kW
Engine capacity
2,998 - 4,395 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2026
Model Year
2,024 - 2,025
CO2 Efficiency Class
C, D
CO2 Efficiency Class
A, G
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW XM?

Available configurations include 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.