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Mercedes G Class vs BMW XM comparison

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

Mercedes G Class vs BMW XM: Key differences

Mercedes G Class

  • marginally cheaper
  • considerably more electric range
  • very slightly lighter
  • slightly more trunk space
details

BMW XM

  • slightly more power
  • significantly more efficient
  • a bit quicker 0–100 km/h
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By Achim Sedelmaier

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

G Class

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.

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 significantly 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 considerably more range – reaching up to 479 km, about 399 km more than the BMW XM.

XM

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BMW XM offers slightly 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.

G Class

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: BMW XM offers more seats – 7 vs 5.

In terms of curb weight, Mercedes G Class is very slightly 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 : Petrol MHEV, Diesel MHEV, Electric
  • 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 : 479 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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View detailed analysis

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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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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Mercedes G Class
BMW XM

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

Dimensions and Body
Body Type
Off-Roader
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
-
Curb weight
2,485 - 3,085 kg
Curb weight
2,695 - 2,795 kg
Trunk capacity
640 L
Trunk capacity
527 L
Length
-
Length
-
Width
1,931 - 1,984 mm
Width
2,005 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
505 - 525 kg

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

General
Model Year
2,025 - 2,026
Model Year
2026
CO2 Efficiency Class
G, A
CO2 Efficiency Class
C, D
Brand
Mercedes-Benz
Brand
BMW
What drivetrain options does the Mercedes G Class have?

The Mercedes G Class 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.