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Mercedes GLS vs Bentley Flying Spur comparison

Compare performance (634 HP vs 550 HP), boot space and price (191,300 £ vs 180,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Bentley Flying Spur?

Mercedes GLS vs Bentley Flying Spur: Key differences

Mercedes GLS

  • moderately more power
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Bentley Flying Spur

  • very slightly cheaper
  • significantly more efficient
  • very slightly quicker 0–100 km/h
  • moderately lighter
  • a bit 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:

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.

Bentley Flying Spur is very slightly cheaper – starting at 180,900 £ , while the Mercedes GLS costs 191,300 £ . That’s a price difference of around 10,403 £.

Fuel consumption also shows a difference: the Bentley Flying Spur uses 3.3 L/100km and is significantly more efficient than the Mercedes GLS with 13.3 L/100km. The difference is about 10 L/100km.

Flying Spur

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 Mercedes GLS offers moderately more power – delivering 634 HP compared to 550 HP. That’s roughly 84 HP more horsepower.

When accelerating from 0 to 100 km/h, the Bentley Flying Spur is very slightly quicker – completing the sprint in 4.1 s, while the Mercedes GLS takes 4.2 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers only slightly more torque with 850 Nm compared to 770 Nm. That’s about 80 Nm more.

GLS

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: Mercedes GLS offers more seats – 7 vs 4.

In terms of curb weight, Bentley Flying Spur is moderately lighter – 2,330 kg compared to 2,700 kg. The difference is around 370 kg.

Looking at boot space, the Bentley Flying Spur offers a bit more boot space – 420 L compared to 355 L. That’s a difference of about 65 L.

When it comes to payload, the Mercedes GLS carries barely more – 695 kg compared to 650 kg. That’s a difference of about 45 kg.

Who wins the race in the data check?

The Bentley Flying Spur is clearly superior overall 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 £180,900
Flying Spur

Bentley Flying Spur

  • Engine Type : Plugin Hybrid, Petrol
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 544 - 550 HP
  • Consumption L/100km : 3.3 - 12.7 L/100km
  • Electric Range : 41 km
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View detailed analysis

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View detailed analysis

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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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19C0481_004
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19C0480_047
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Reviews Mercedes GLS

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Bentley Flying Spur

The Bentley Flying Spur wraps landmark luxury and bespoke British craft into a sedan that feels like a private members' club you can park in your driveway. It delivers chauffeur-grade comfort wrapped in driver-focused poise, turning an ordinary commute into a memorably grand arrival.

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Flying Spur Speed - 1
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Flying Spur Speed - 9
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Flying Spur Speed - 12

Reviews Bentley Flying Spur

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Mercedes GLS
Bentley Flying Spur

Costs and Consumption
Price
191,300 £
Price
180,900 - 186,300 £
Consumption L/100km
13.3 L/100km
Consumption L/100km
3.3 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
41 km
Battery Capacity
-
Battery Capacity
18 kWh
co2
302 g/km
co2
75 - 288 g/km
Fuel tank capacity
-
Fuel tank capacity
80 - 90 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
7
Seats
4
Doors
-
Doors
4
Curb weight
2,700 kg
Curb weight
2,330 - 2,505 kg
Trunk capacity
355 L
Trunk capacity
420 L
Length
-
Length
5,316 mm
Width
1,956 mm
Width
2,013 mm
Height
-
Height
1,483 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
695 kg
Payload
525 - 650 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Plugin Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
634 HP
Power HP
544 - 550 HP
Acceleration 0-100km/h
4.2 s
Acceleration 0-100km/h
4.1 - 4.3 s
Max Speed
-
Max Speed
285 - 318 km/h
Torque
850 Nm
Torque
750 - 770 Nm
Number of Cylinders
8
Number of Cylinders
6 - 8
Power kW
466 kW
Power kW
400 - 404 kW
Engine capacity
3,982 cm3
Engine capacity
2,894 - 3,996 cm3

General
Model Year
2025
Model Year
2,021 - 2,022
CO2 Efficiency Class
G
CO2 Efficiency Class
B, 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.