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Mercedes GLA vs Bentley Flying Spur comparison

Compare performance (421 HP vs 550 HP), boot space and price (38,800 £ vs 180,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLA or Bentley Flying Spur?

Mercedes GLA vs Bentley Flying Spur: Key differences

Mercedes GLA

4.5 (4 Reviews)
rate
  • clearly cheaper
  • a bit more efficient
  • clearly more electric range
  • substantially lighter
  • only slightly more trunk space
details

Bentley Flying Spur

  • markedly more power
  • barely quicker 0–100 km/h
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

GLA

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.

Mercedes GLA is clearly cheaper – starting at 38,800 £ , while the Bentley Flying Spur costs 180,900 £ . That’s a price difference of around 142,021 £.

Fuel consumption also shows a difference: the Mercedes GLA uses 2.9 L/100km and is a bit more efficient than the Bentley Flying Spur with 3.3 L/100km. The difference is about 0.4 L/100km.

As for electric range, the Mercedes GLA offers clearly more range – reaching up to 74 km, about 33 km more than the Bentley Flying Spur.

Flying Spur

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 Flying Spur offers markedly more power – delivering 550 HP compared to 421 HP. That’s roughly 129 HP more horsepower.

When accelerating from 0 to 100 km/h, the Bentley Flying Spur is barely quicker – completing the sprint in 4.1 s, while the Mercedes GLA takes 4.3 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Bentley Flying Spur delivers markedly more torque with 770 Nm compared to 500 Nm. That’s about 270 Nm more.

GLA

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes GLA offers more seats – 5 vs 4.

In terms of curb weight, Mercedes GLA is substantially lighter – 1,570 kg compared to 2,330 kg. The difference is around 760 kg.

Looking at boot space, the Mercedes GLA offers only slightly more boot space – 435 L compared to 420 L. That’s a difference of about 15 L.

When it comes to payload, the Bentley Flying Spur carries clearly more – 650 kg compared to 500 kg. That’s a difference of about 150 kg.

Who wins the race in the data check?

The Mercedes GLA 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.

from £38,800
GLA

Mercedes GLA

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel, Petrol
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 421 HP
  • Consumption L/100km : 2.9 - 9.5 L/100km
  • Electric Range : 74 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLA

The Mercedes GLA is a compact luxury crossover that brings Mercedes-Benz's refined design and premium cabin materials into a practical, city-friendly package. It combines comfortable ride quality and intuitive tech with poised handling, making it a confident choice for everyday driving and longer journeys.

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20C0047_067
20C0047_071
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Reviews Mercedes GLA

4.5 (4 Reviews)
rate
Lucien
1 May 2026, 07:12:24

GLA 180 petrol. Ideal for city and highway. Very smooth and quiet. The automatic gearbox is a delight. Average consumption 6.2 L/100 km. Special edition 180 Cyber Edition, leather seats....

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Gutter
24 Feb 2026, 21:53:27

Super nimble, very impressive power from this 1,300cc mild‑hybrid engine — in town, on the road and on the motorway for this 2025 GLA 180 Style AMG... premium interior!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Serge
16 Jan 2026, 16:09:11

You have to compare like with like — the GLA should be compared to the Q3, not the Q2 as in your study!

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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
Flying Spur Speed - 2
Flying Spur Speed - 9
Flying Spur Speed - 11
Flying Spur Speed - 12

Reviews Bentley Flying Spur

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

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Mercedes GLA
Bentley Flying Spur

Costs and Consumption
Price
38,800 - 75,300 £
Price
180,900 - 186,300 £
Consumption L/100km
2.9 - 9.5 L/100km
Consumption L/100km
3.3 - 12.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
74 km
Electric Range
41 km
Battery Capacity
-
Battery Capacity
18 kWh
co2
66 - 216 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
5
Seats
4
Doors
-
Doors
4
Curb weight
1,570 - 1,810 kg
Curb weight
2,330 - 2,505 kg
Trunk capacity
385 - 435 L
Trunk capacity
420 L
Length
-
Length
5,316 mm
Width
1,834 - 1,849 mm
Width
2,013 mm
Height
-
Height
1,483 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 500 kg
Payload
525 - 650 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Engine Type
Plugin Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 421 HP
Power HP
544 - 550 HP
Acceleration 0-100km/h
4.3 - 11 s
Acceleration 0-100km/h
4.1 - 4.3 s
Max Speed
-
Max Speed
285 - 318 km/h
Torque
230 - 500 Nm
Torque
750 - 770 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
85 - 310 kW
Power kW
400 - 404 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
2,894 - 3,996 cm3

General
Model Year
2025
Model Year
2,021 - 2,022
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
B, G
Brand
Mercedes-Benz
Brand
Bentley
Is the Mercedes GLA offered with different drivetrains?

The Mercedes GLA is available as Front-Wheel Drive or 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.