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Mercedes GLA vs Bentley Bentayga comparison

Compare performance (421 HP vs 550 HP), boot space and price (38,800 £ vs 177,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLA or Bentley Bentayga?

Mercedes GLA vs Bentley Bentayga: Key differences

Mercedes GLA

4.5 (4 Reviews)
rate
  • significantly cheaper
  • significantly more efficient
  • visibly more electric range
  • only slightly quicker 0–100 km/h
  • considerably lighter
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Bentley Bentayga

  • noticeably more power
  • a bit more trunk space
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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 significantly cheaper – starting at 38,800 £ , while the Bentley Bentayga costs 177,300 £ . That’s a price difference of around 138,421 £.

Fuel consumption also shows a difference: the Mercedes GLA uses 2.9 L/100km and is significantly more efficient than the Bentley Bentayga with 13 L/100km. The difference is about 10.1 L/100km.

As for electric range, the Mercedes GLA offers visibly more range – reaching up to 74 km, about 24 km more than the Bentley Bentayga.

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 noticeably 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 Mercedes GLA is only slightly quicker – completing the sprint in 4.3 s, while the Bentley Bentayga takes 4.5 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Bentley Bentayga delivers noticeably 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?

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes GLA is considerably lighter – 1,570 kg compared to 2,415 kg. The difference is around 845 kg.

Looking at boot space, the Bentley Bentayga offers a bit more boot space – 484 L compared to 435 L. That’s a difference of about 49 L.

When it comes to payload, the Bentley Bentayga carries substantially more – 835 kg compared to 500 kg. That’s a difference of about 335 kg.

Who wins the race in the data check?

The Mercedes GLA 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 £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_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 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 - 1
Bentayga Odyssean - 2
Bentayga Odyssean - 3
Bentayga Odyssean - 4
Bentayga Odyssean - 5
Bentayga Odyssean - 6

Reviews Bentley Bentayga

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

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Mercedes GLA
Bentley Bentayga

Costs and Consumption
Price
38,800 - 75,300 £
Price
177,300 - 230,400 £
Consumption L/100km
2.9 - 9.5 L/100km
Consumption L/100km
13 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
74 km
Electric Range
50 km
Battery Capacity
-
Battery Capacity
17.3 kWh
co2
66 - 216 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
5
Seats
4 - 5
Doors
-
Doors
5
Curb weight
1,570 - 1,810 kg
Curb weight
2,415 - 2,514 kg
Trunk capacity
385 - 435 L
Trunk capacity
484 L
Length
-
Length
5,125 - 5,305 mm
Width
1,834 - 1,849 mm
Width
1,998 mm
Height
-
Height
1,728 mm
Max trunk capacity
-
Max trunk capacity
1,774 L
Payload
480 - 500 kg
Payload
736 - 835 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Petrol
Engine Type
Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 421 HP
Power HP
462 - 550 HP
Acceleration 0-100km/h
4.3 - 11 s
Acceleration 0-100km/h
4.5 - 5.3 s
Max Speed
-
Max Speed
254 - 290 km/h
Torque
230 - 500 Nm
Torque
700 - 770 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
85 - 310 kW
Power kW
340 - 404 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
2,995 - 3,996 cm3

General
Model Year
2025
Model Year
2,020 - 2,022
CO2 Efficiency Class
E, F, B, G
CO2 Efficiency Class
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.