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Mercedes GLS vs McLaren GT Series comparison

Compare performance (634 HP vs 635 HP), boot space and price (191,300 £ vs 175,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or McLaren GT Series?

Mercedes GLS vs McLaren GT Series: Key differences

Mercedes GLS

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McLaren GT Series

  • barely cheaper
  • only slightly more power
  • a bit more efficient
  • noticeably quicker 0–100 km/h
  • substantially lighter
  • moderately more trunk space
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By Achim Sedelmaier

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

GLS

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.

McLaren GT Series is barely cheaper – starting at 175,700 £ , while the Mercedes GLS costs 191,300 £ . That’s a price difference of around 15,546 £.

Fuel consumption also shows a difference: the McLaren GT Series uses 11.9 L/100km and is a bit more efficient than the Mercedes GLS with 13.3 L/100km. The difference is about 1.4 L/100km.

GT Series

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the McLaren GT Series offers only slightly more power – delivering 635 HP compared to 634 HP. That’s roughly 1 HP more horsepower.

When accelerating from 0 to 100 km/h, the McLaren GT Series is noticeably quicker – completing the sprint in 3.2 s, while the Mercedes GLS takes 4.2 s. That’s about 1 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers markedly more torque with 850 Nm compared to 630 Nm. That’s about 220 Nm more.

GLS

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: Mercedes GLS offers more seats – 7 vs 2.

In terms of curb weight, McLaren GT Series is substantially lighter – 1,520 kg compared to 2,700 kg. The difference is around 1,180 kg.

Looking at boot space, the McLaren GT Series offers moderately more boot space – 420 L compared to 355 L. That’s a difference of about 65 L.

Who wins the race in the data check?

The McLaren GT Series 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.

£175,714
GT Series

McLaren GT Series

  • Engine Type : Petrol
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive
  • Power HP : 635 HP
  • Consumption L/100km : 11.9 L/100km
Mercedes GLS
McLaren GT Series

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

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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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Mercedes GLS
McLaren GT Series

Costs and Consumption

Price
191,300 £
Price
175,700 £
Consumption L/100km
13.3 L/100km
Consumption L/100km
11.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
302 g/km
co2
270 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
Coupe
Seats
7
Seats
2
Doors
-
Doors
-
Curb weight
2,700 kg
Curb weight
1,520 kg
Trunk capacity
355 L
Trunk capacity
420 L
Length
-
Length
-
Width
1,956 mm
Width
2,045 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
695 kg
Payload
-

Engine and Performance

Engine Type
Petrol MHEV
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
634 HP
Power HP
635 HP
Acceleration 0-100km/h
4.2 s
Acceleration 0-100km/h
3.2 s
Max Speed
-
Max Speed
-
Torque
850 Nm
Torque
630 Nm
Number of Cylinders
8
Number of Cylinders
8
Power kW
466 kW
Power kW
467 kW
Engine capacity
3,982 cm3
Engine capacity
3,994 cm3

General

Model Year
2025
Model Year
2023
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
McLaren
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.