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Mercedes GLB vs Aston Martin Vanquish comparison

Compare performance (354 HP vs 835 HP), boot space and price (43,200 £ vs 330,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Aston Martin Vanquish?

Mercedes GLB vs Aston Martin Vanquish: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • substantially cheaper
  • considerably more efficient
  • very slightly lighter
  • substantially more trunk space
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Aston Martin Vanquish

  • significantly more power
  • substantially 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

GLB

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 GLB is substantially cheaper – starting at 43,200 £ , while the Aston Martin Vanquish costs 330,900 £ . That’s a price difference of around 287,660 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is considerably more efficient than the Aston Martin Vanquish with 13.7 L/100km. The difference is about 8 L/100km.

Vanquish

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Aston Martin Vanquish offers significantly more power – delivering 835 HP compared to 354 HP. That’s roughly 481 HP more horsepower.

When accelerating from 0 to 100 km/h, the Aston Martin Vanquish is substantially quicker – completing the sprint in 3.3 s, while the Mercedes GLB takes 5.5 s. That’s about 2.2 s quicker.

There’s also a difference in torque: the Aston Martin Vanquish delivers considerably more torque with 1,000 Nm compared to 515 Nm. That’s about 485 Nm more.

GLB

Space and Everyday Use:

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

Seats: Mercedes GLB offers more seats – 5 vs 2.

In terms of curb weight, Mercedes GLB is very slightly lighter – 1,840 kg compared to 1,910 kg. The difference is around 70 kg.

Looking at boot space, the Mercedes GLB offers substantially more boot space – 540 L compared to 248 L. That’s a difference of about 292 L.

Who wins the race in the data check?

The Mercedes GLB is far ahead 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 £43,200
GLB

Mercedes GLB

  • Engine Type : Electric, Full Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 156 - 354 HP
  • Consumption L/100km : 5.7 - 6.1 L/100km
  • Consumption kWh/100km : 15.4 - 15.9 kWh/100km
  • Electric Range : 431 - 631 km
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Frequently compared as well

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Mercedes GLB
Aston Martin Vanquish

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLB

The Mercedes GLB is a compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.

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Reviews Mercedes GLB

3.6 (4 Reviews)
rate
Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

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

Aston Martin Vanquish

The Aston Martin Vanquish wraps brutal power in impossibly elegant coachwork, turning every commute into a cinematic entrance. It’s a driver’s car that pampers with sumptuous finishes while subtly reminding you that discretion was never part of its vocabulary.

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Reviews Aston Martin Vanquish

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

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Aston Martin Vanquish

Costs and Consumption
Price
43,200 - 62,400 £
Price
330,900 - 357,400 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
13.7 L/100km
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
-
Electric Range
431 - 631 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 138 g/km
co2
312 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Coupe, Convertible
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1,840 - 2,280 kg
Curb weight
1,910 - 2,005 kg
Trunk capacity
540 L
Trunk capacity
219 - 248 L
Length
-
Length
-
Width
1,861 mm
Width
2,044 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
-

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
156 - 354 HP
Power HP
835 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
3.3 - 3.4 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
1,000 Nm
Number of Cylinders
4
Number of Cylinders
12
Power kW
115 - 260 kW
Power kW
614 kW
Engine capacity
1,499 cm3
Engine capacity
5,204 cm3

General
Model Year
2026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Aston Martin
What drive types are available for the Mercedes GLB?

Available configurations include Rear-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.