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Mercedes G Class vs McLaren GT Series comparison

Compare performance (605 HP vs 635 HP), boot space and price (106,600 £ vs 175,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes G Class or McLaren GT Series?

Mercedes G Class vs McLaren GT Series: Key differences

Mercedes G Class

  • significantly cheaper
  • visibly more efficient
  • clearly more trunk space
details

McLaren GT Series

  • only slightly more power
  • clearly quicker 0–100 km/h
  • substantially lighter
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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 significantly cheaper – starting at 106,600 £ , while the McLaren GT Series costs 175,700 £ . That’s a price difference of around 69,124 £.

Fuel consumption also shows a difference: the Mercedes G Class uses 8.7 L/100km and is visibly more efficient than the McLaren GT Series with 11.9 L/100km. The difference is about 3.2 L/100km.

GT Series

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 McLaren GT Series offers only slightly more power – delivering 635 HP compared to 605 HP. That’s roughly 30 HP more horsepower.

When accelerating from 0 to 100 km/h, the McLaren GT Series is clearly 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 significantly more torque with 1,164 Nm compared to 630 Nm. That’s about 534 Nm more.

G Class

Space and Everyday Use:

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

Seats: Mercedes G Class offers more seats – 5 vs 2.

In terms of curb weight, McLaren GT Series is substantially lighter – 1,520 kg compared to 2,485 kg. The difference is around 965 kg.

Looking at boot space, the Mercedes G Class offers clearly more boot space – 640 L compared to 420 L. That’s a difference of about 220 L.

Who wins the race in the data check?

The Mercedes G Class holds a decisive overall lead 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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Mercedes G Class
McLaren GT Series

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
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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Reviews Mercedes G Class

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McLaren GT Series

The McLaren GT takes the supercar blueprint and stretches it into a grand tourer, marrying thrilling pace with genuine long-distance comfort and a cabin that’s actually liveable. If you crave weekend escape capability without surrendering driver engagement, this is the car to consider — though it does attract a fair share of admiring glances.

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Reviews McLaren GT Series

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Mercedes G Class
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Mercedes G Class
McLaren GT Series

Costs and Consumption
Price
106,600 - 171,000 £
Price
175,700 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
11.9 L/100km
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
-
Electric Range
479 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 336 g/km
co2
270 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Off-Roader
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
2,485 - 3,085 kg
Curb weight
1,520 kg
Trunk capacity
640 L
Trunk capacity
420 L
Length
-
Length
-
Width
1,931 - 1,984 mm
Width
2,045 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
-

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
387 - 605 HP
Power HP
635 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
3.2 s
Max Speed
-
Max Speed
-
Torque
760 - 1,164 Nm
Torque
630 Nm
Number of Cylinders
6 - 8
Number of Cylinders
8
Power kW
285 - 445 kW
Power kW
467 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
3,994 cm3

General
Model Year
2,025 - 2,026
Model Year
2023
CO2 Efficiency Class
G, A
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
McLaren
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.