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BMW iX vs Mercedes G-Class comparison

Compare performance (659 HP vs 605 HP), boot space and price (71,600 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – BMW iX or Mercedes G-Class?

BMW iX vs Mercedes G-Class: Key differences

BMW iX

4.2 (3 Reviews)
rate
  • clearly cheaper
  • marginally more power
  • substantially more efficient
  • markedly more electric range
  • somewhat quicker 0–100 km/h
details

Mercedes G-Class

  • only slightly lighter
  • noticeably more trunk space
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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

iX

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.

BMW iX is clearly cheaper – starting at 71,600 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 35,019 £.

In terms of energy consumption, the BMW iX is substantially more efficient: consuming 17.8 kWh/100km compared to 28 kWh/100km for the Mercedes G-Class. That’s a difference of about 10.2 kWh/100km.

As for electric range, the BMW iX offers markedly more range – reaching up to 701 km, about 222 km more than the Mercedes G-Class.

G-Class

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 iX offers marginally more power – delivering 659 HP compared to 605 HP. That’s roughly 54 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW iX is somewhat 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 slightly more torque with 1,164 Nm compared to 1,015 Nm. That’s about 149 Nm more.

iX

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes G-Class is only slightly lighter – 2,485 kg compared to 2,525 kg. The difference is around 40 kg.

Looking at boot space, the Mercedes G-Class offers noticeably more boot space – 640 L compared to 500 L. That’s a difference of about 140 L.

When it comes to payload, the Mercedes G-Class carries slightly more – 715 kg compared to 575 kg. That’s a difference of about 140 kg.

Who wins the race in the data check?

The BMW iX is decisively ahead 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 £71,600
iX

BMW iX

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 408 - 659 HP
  • Consumption kWh/100km 17.8 - 20.6 kWh/100km
  • Electric Range 600 - 701 km
details

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Mercedes G-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW iX

The BMW iX arrives like a tech-rich luxury SUV that refuses to shout, offering a serene yet authoritative road presence that suits both city commutes and long-distance cruising. Inside, its minimalist cabin wraps high-quality materials and clever interfaces around a driver-focused layout, making it feel more like a forward-thinking lounge than just another electric appliance — and yes, it still delivers the dynamic driving character you'd expect from a BMW.

details
P90464063_highRes_bmw-ix-m60-05-2022
P90464066_highRes_bmw-ix-m60-05-2022
P90464060_highRes_bmw-ix-m60-05-2022
P90437446_highRes_the-first-ever-bmw-i
P90437462_highRes_the-first-ever-bmw-i

Reviews BMW iX

4.2 (3 Reviews)
rate
Massimiliano La Vignma
5 Feb 2026, 13:42:39

Innovative, with generous interior space but at the expense of the boot. I have an M60 — strong acceleration and excellent self-charging, especially on the motorway.

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

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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18C0997_133
19C0473_066
18C0997_262

Reviews Mercedes G-Class

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

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BMW iX
Mercedes G-Class

Costs and Consumption
Price
71,600 - 108,400 £
Price
106,600 - 171,000 £
Consumption L/100km
-
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
17.8 - 20.6 kWh/100km
Consumption kWh/100km
28 kWh/100km
Electric Range
600 - 701 km
Electric Range
479 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 - 336 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Off-Roader
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,525 - 2,655 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
500 L
Trunk capacity
640 L
Length
-
Length
-
Width
1,970 mm
Width
1,931 - 1,984 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
505 - 575 kg
Payload
115 - 715 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
408 - 659 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
-
Torque
700 - 1,015 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
300 - 485 kW
Power kW
285 - 445 kW
Engine capacity
-
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
G, A
Brand
BMW
Brand
Mercedes-Benz
Is the BMW iX offered with different drivetrains?

The BMW iX is offered with 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.