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Mercedes GLS vs Bentley Bentayga comparison

Compare performance (404 HP vs 550 HP), boot space and price (92,700 £ vs 177,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Bentley Bentayga?

Mercedes GLS vs Bentley Bentayga: Key differences

Mercedes GLS

  • substantially cheaper
  • considerably more efficient
details

Bentley Bentayga

  • markedly more power
  • markedly quicker 0–100 km/h
  • barely lighter
  • visibly more trunk space
details

By Achim Sedelmaier

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

GLS

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 substantially cheaper – starting at 92,700 £ , while the Bentley Bentayga costs 177,300 £ . That’s a price difference of around 84,595 £.

Fuel consumption also shows a difference: the Mercedes GLS uses 7.9 L/100km and is considerably more efficient than the Bentley Bentayga with 13 L/100km. The difference is about 5.1 L/100km.

Bentayga

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 Bentley Bentayga offers markedly more power – delivering 550 HP compared to 404 HP. That’s roughly 146 HP more horsepower.

When accelerating from 0 to 100 km/h, the Bentley Bentayga is markedly quicker – completing the sprint in 4.5 s, while the Mercedes GLS takes 5.6 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Bentley Bentayga delivers marginally more torque with 770 Nm compared to 750 Nm. That’s about 20 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 5.

In terms of curb weight, Bentley Bentayga is barely lighter – 2,415 kg compared to 2,580 kg. The difference is around 165 kg.

Looking at boot space, the Bentley Bentayga offers visibly more boot space – 484 L compared to 355 L. That’s a difference of about 129 L.

When it comes to payload, the Bentley Bentayga carries marginally more – 835 kg compared to 820 kg. That’s a difference of about 15 kg.

Who wins the race in the data check?

The Mercedes GLS 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 £92,700
GLS

Mercedes GLS

  • Engine Type Petrol MHEV, Diesel MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 336 - 404 HP
  • Consumption L/100km 7.9 - 9.9 L/100km
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Bentley Bentayga

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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Reviews Mercedes GLS

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

Bentley Bentayga

The Bentley Bentayga wraps top-tier luxury and SUV practicality into one impeccably finished package, with a hushed cabin and amenities that pamper both driver and passengers. It’s the sort of car that signals success with understatement — a tailored suit on wheels that makes long drives feel like first-class travel.

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Bentayga Odyssean - 2
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Bentayga Odyssean - 4
Bentayga Odyssean - 5
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Reviews Bentley Bentayga

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Mercedes GLS
Bentley Bentayga

Costs and Consumption
Price
92,700 - 104,600 £
Price
177,300 - 230,400 £
Consumption L/100km
7.9 - 9.9 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
50 km
Battery Capacity
-
Battery Capacity
17.3 kWh
co2
206 - 226 g/km
co2
294 g/km
Fuel tank capacity
-
Fuel tank capacity
75 - 85 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
7
Seats
4 - 5
Doors
-
Doors
5
Curb weight
2,580 - 2,670 kg
Curb weight
2,415 - 2,514 kg
Trunk capacity
355 L
Trunk capacity
484 L
Length
-
Length
5,125 - 5,305 mm
Width
1,956 mm
Width
1,998 mm
Height
-
Height
1,728 mm
Max trunk capacity
-
Max trunk capacity
1,774 L
Payload
810 - 820 kg
Payload
736 - 835 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
336 - 404 HP
Power HP
462 - 550 HP
Acceleration 0-100km/h
5.6 - 6.2 s
Acceleration 0-100km/h
4.5 - 5.3 s
Max Speed
-
Max Speed
254 - 290 km/h
Torque
560 - 750 Nm
Torque
700 - 770 Nm
Number of Cylinders
6
Number of Cylinders
6 - 8
Power kW
247 - 297 kW
Power kW
340 - 404 kW
Engine capacity
2,989 - 2,999 cm3
Engine capacity
2,995 - 3,996 cm3

General
Model Year
2026
Model Year
2,020 - 2,022
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Bentley
Is the Mercedes GLS offered with different drivetrains?

The Mercedes GLS 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.