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BMW XM vs Mercedes G Class - Differences and prices compared

Compare performance (748 HP vs 605 HP), boot space and price (116100 £ vs 106600 £ ) at a glance. Find out which car is the better choice for you – BMW XM or Mercedes G Class?

BMW XM

Mercedes G Class

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

XM

Costs and Efficiency:

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

Mercedes G Class has a barely noticeable advantage in terms of price – it starts at 106600 £ , while the BMW XM costs 116100 £ . That’s a price difference of around 9552 £.

Fuel consumption also shows a difference: BMW XM manages with 4.70 L and is therefore decisively more efficient than the Mercedes G Class with 8.70 L. The difference is about 4 L per 100 km.

As for electric range, the Mercedes G Class performs significantly better – achieving up to 468 km, about 388 km more than the BMW XM.

G Class

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the BMW XM has a slightly edge – offering 748 HP compared to 605 HP. That’s roughly 143 HP more horsepower.

In acceleration from 0 to 100 km/h, the BMW XM is a bit quicker – completing the sprint in 3.80 s, while the Mercedes G Class takes 4.40 s. That’s about 0.60 s faster.

There’s also a difference in torque: Mercedes G Class pulls to a small extent stronger with 1164 Nm compared to 1000 Nm. That’s about 164 Nm difference.

XM

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 distinct more seating capacity – 7 vs 5.

In curb weight, Mercedes G Class is barely noticeable lighter – 2485 kg compared to 2695 kg. The difference is around 210 kg.

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

When it comes to payload, Mercedes G Class distinct takes the win – 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 sits 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.

BMW XM
Mercedes G Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £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
  • Consumption kWh/100km : 28 kWh
  • Electric Range : 468 km
details

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.

details
P90478657_highRes_the-first-ever-bmw-x
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P90478549_lowRes_the-first-ever-bmw-x
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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.

details
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18C0997_262

Reviews BMW XM

Reviews Mercedes G Class

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Costs and Consumption
Price
116100 - 159300 £
Price
106600 - 171000 £
Consumption L/100km
4.7 - 5.3 L
Consumption L/100km
8.7 - 14.7 L
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh
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
2695 - 2795 kg
Curb weight
2485 - 3085 kg
Trunk capacity
527 L
Trunk capacity
620 - 640 L
Length
-
Length
4624 mm
Width
2005 mm
Width
1931 - 1984 mm
Height
-
Height
1983 mm
Max trunk capacity
-
Max trunk capacity
1990 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 - 1000 Nm
Torque
760 - 1164 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
350 - 550 kW
Power kW
285 - 445 kW
Engine capacity
2998 - 4395 cm3
Engine capacity
2989 - 3982 cm3

General
Model Year
2026
Model Year
2024 - 2025
CO2 Efficiency Class
C, D
CO2 Efficiency Class
A, G
Brand
BMW
Brand
Mercedes-Benz

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What drive types are available for the BMW XM?

The BMW XM is available as All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.