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Bentley Flying Spur vs Mercedes G-Class comparison

Compare performance (550 HP vs 605 HP), boot space and price (180,900 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – Bentley Flying Spur or Mercedes G-Class?

Bentley Flying Spur vs Mercedes G-Class: Key differences

Bentley Flying Spur

  • substantially more efficient
  • very slightly quicker 0–100 km/h
  • very slightly lighter
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Mercedes G-Class

  • significantly cheaper
  • only slightly more power
  • considerably more electric range
  • noticeably more trunk space
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By Achim Sedelmaier

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

Flying Spur

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.

Mercedes G-Class is significantly cheaper – starting at 106,600 £ , while the Bentley Flying Spur costs 180,900 £ . That’s a price difference of around 74,267 £.

Fuel consumption also shows a difference: the Bentley Flying Spur uses 3.3 L/100km and is substantially more efficient than the Mercedes G-Class with 8.7 L/100km. The difference is about 5.4 L/100km.

As for electric range, the Mercedes G-Class offers considerably more range – reaching up to 479 km, about 438 km more than the Bentley Flying Spur.

G-Class

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 Mercedes G-Class offers only slightly more power – delivering 605 HP compared to 550 HP. That’s roughly 55 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 G-Class takes 4.4 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers markedly more torque with 1,164 Nm compared to 770 Nm. That’s about 394 Nm more.

Flying Spur

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 G-Class offers more seats – 5 vs 4.

In terms of curb weight, Bentley Flying Spur is very slightly lighter – 2,330 kg compared to 2,485 kg. The difference is around 155 kg.

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

When it comes to payload, the Mercedes G-Class carries very slightly more – 715 kg compared to 650 kg. That’s a difference of about 65 kg.

Who wins the race in the data check?

The Mercedes G-Class 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 £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
Bentley Flying Spur
Mercedes G-Class

Costs and Consumption

View detailed analysis

Engine and Performance

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Dimensions and Body

View detailed analysis

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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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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Bentley Flying Spur
Mercedes G-Class

Costs and Consumption

Price
180,900 - 186,300 £
Price
106,600 - 171,000 £
Consumption L/100km
3.3 - 12.7 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
41 km
Electric Range
479 km
Battery Capacity
18 kWh
Battery Capacity
-
co2
75 - 288 g/km
co2
0 - 336 g/km
Fuel tank capacity
80 - 90 L
Fuel tank capacity
-

Dimensions and Body

Body Type
Sedan
Body Type
Off-Roader
Seats
4
Seats
5
Doors
4
Doors
-
Curb weight
2,330 - 2,505 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
420 L
Trunk capacity
640 L
Length
5,316 mm
Length
-
Width
2,013 mm
Width
1,931 - 1,984 mm
Height
1,483 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 650 kg
Payload
115 - 715 kg

Engine and Performance

Engine Type
Plugin Hybrid, Petrol
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
544 - 550 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
4.1 - 4.3 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
285 - 318 km/h
Max Speed
-
Torque
750 - 770 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
400 - 404 kW
Power kW
285 - 445 kW
Engine capacity
2,894 - 3,996 cm3
Engine capacity
2,989 - 3,982 cm3

General

Model Year
2,021 - 2,022
Model Year
2,025 - 2,026
CO2 Efficiency Class
B, G
CO2 Efficiency Class
G, A
Brand
Bentley
Brand
Mercedes-Benz
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.