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McLaren GT Series vs Mercedes GLS comparison

Compare performance (635 HP vs 404 HP), boot space and price (175,700 £ vs 92,700 £ ) at a glance. Find out which car is the better choice for you – McLaren GT Series or Mercedes GLS?

McLaren GT Series vs Mercedes GLS: Key differences

McLaren GT Series

  • noticeably more power
  • considerably quicker 0–100 km/h
  • substantially lighter
  • somewhat more trunk space
details

Mercedes GLS

  • clearly cheaper
  • significantly more efficient
details

By Achim Sedelmaier

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

GT Series

Costs and Efficiency:

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

Mercedes GLS is clearly cheaper – starting at 92,700 £ , while the McLaren GT Series costs 175,700 £ . That’s a price difference of around 83,052 £.

Fuel consumption also shows a difference: the Mercedes GLS uses 7.9 L/100km and is significantly more efficient than the McLaren GT Series with 11.9 L/100km. The difference is about 4 L/100km.

GLS

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 McLaren GT Series offers noticeably more power – delivering 635 HP compared to 404 HP. That’s roughly 231 HP more horsepower.

When accelerating from 0 to 100 km/h, the McLaren GT Series is considerably quicker – completing the sprint in 3.2 s, while the Mercedes GLS takes 5.6 s. That’s about 2.4 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers moderately more torque with 750 Nm compared to 630 Nm. That’s about 120 Nm more.

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 2,580 kg. The difference is around 1,060 kg.

Looking at boot space, the McLaren GT Series offers somewhat 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 has the upper hand 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
details

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Costs and Consumption
View detailed analysis

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View detailed analysis

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View detailed analysis

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

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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Costs and Consumption
Price
175,700 £
Price
92,700 - 104,600 £
Consumption L/100km
11.9 L/100km
Consumption L/100km
7.9 - 9.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
270 g/km
co2
206 - 226 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
SUV
Seats
2
Seats
7
Doors
-
Doors
-
Curb weight
1,520 kg
Curb weight
2,580 - 2,670 kg
Trunk capacity
420 L
Trunk capacity
355 L
Length
-
Length
-
Width
2,045 mm
Width
1,956 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
-
Payload
810 - 820 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
635 HP
Power HP
336 - 404 HP
Acceleration 0-100km/h
3.2 s
Acceleration 0-100km/h
5.6 - 6.2 s
Max Speed
-
Max Speed
-
Torque
630 Nm
Torque
560 - 750 Nm
Number of Cylinders
8
Number of Cylinders
6
Power kW
467 kW
Power kW
247 - 297 kW
Engine capacity
3,994 cm3
Engine capacity
2,989 - 2,999 cm3

General
Model Year
2023
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
McLaren
Brand
Mercedes-Benz
What drivetrain options does the McLaren GT Series have?

Available configurations include 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.