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BMW 8 Series Coupé vs Mercedes G-Class comparison

Compare performance (625 HP vs 605 HP), boot space and price (90,000 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Coupé or Mercedes G-Class?

BMW 8 Series Coupé vs Mercedes G-Class: Key differences

BMW 8 Series Coupé

  • a bit cheaper
  • marginally more power
  • noticeably more efficient
  • visibly quicker 0–100 km/h
  • clearly lighter
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Mercedes G-Class

  • markedly more trunk space
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By Achim Sedelmaier

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

8 Series Coupé

Costs and Efficiency:

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

BMW 8 Series Coupé is a bit cheaper – starting at 90,000 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 16,590 £.

Fuel consumption also shows a difference: the BMW 8 Series Coupé uses 6.7 L/100km and is noticeably more efficient than the Mercedes G-Class with 8.7 L/100km. The difference is about 2 L/100km.

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 8 Series Coupé offers marginally more power – delivering 625 HP compared to 605 HP. That’s roughly 20 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Coupé is visibly quicker – completing the sprint in 3.2 s, while the Mercedes G-Class takes 4.4 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers clearly more torque with 1,164 Nm compared to 750 Nm. That’s about 414 Nm more.

8 Series Coupé

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW 8 Series Coupé is clearly lighter – 1,805 kg compared to 2,485 kg. The difference is around 680 kg.

Looking at boot space, the Mercedes G-Class offers markedly more boot space – 640 L compared to 440 L. That’s a difference of about 200 L.

When it comes to payload, the Mercedes G-Class carries markedly more – 715 kg compared to 545 kg. That’s a difference of about 170 kg.

Who wins the race in the data check?

The Mercedes G-Class leads convincingly 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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Frequently compared as well

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BMW 8 Series Coupé
Mercedes G-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 8 Series Coupé

The BMW 8 Series Coupé blends elegant, low-slung coupé looks with a purposeful, athletic stance that hints at both comfort and serious driving fun. Inside it feels indulgent and driver-focused, the sort of car that turns motorway miles into a breeze while quietly daring you to chase a twisty back road — and yes, it photographs magnificently.

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Reviews BMW 8 Series Coupé

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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 8 Series Coupé
Mercedes G-Class

Costs and Consumption
Price
90,000 - 158,900 £
Price
106,600 - 171,000 £
Consumption L/100km
6.7 - 11.5 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
-
Electric Range
479 km
Battery Capacity
-
Battery Capacity
-
co2
176 - 263 g/km
co2
0 - 336 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Off-Roader
Seats
4 - 5
Seats
5
Doors
2 - 4
Doors
-
Curb weight
1,805 - 2,085 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
420 - 440 L
Trunk capacity
640 L
Length
4,851 - 5,098 mm
Length
-
Width
1,902 - 1,943 mm
Width
1,931 - 1,984 mm
Height
1,346 - 1,420 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
370 - 545 kg
Payload
115 - 715 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
333 - 625 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
3.2 - 5.4 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
245 - 460 kW
Power kW
285 - 445 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2024
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G, A
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW 8 Series Coupé?

The BMW 8 Series Coupé is offered with All-Wheel Drive or Rear-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.