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Mercedes GLB vs Vauxhall Grandland comparison

Compare performance (354 HP vs 325 HP), boot space and price (43,200 £ vs 35,600 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Vauxhall Grandland?

Mercedes GLB vs Vauxhall Grandland: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • very slightly more power
  • a bit more efficient
  • somewhat quicker 0–100 km/h
details

Vauxhall Grandland

4.7 (2 Reviews)
rate
  • clearly cheaper
  • significantly more efficient
  • very slightly more electric range
  • only slightly lighter
  • only slightly more trunk space
details

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:

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.

Vauxhall Grandland is clearly cheaper – starting at 35,600 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 7,583 £.

Fuel consumption also shows a difference: the Vauxhall Grandland uses 2.6 L/100km and is significantly more efficient than the Mercedes GLB with 5.7 L/100km. The difference is about 3.1 L/100km.

In terms of energy consumption, the Mercedes GLB is a bit more efficient: consuming 15.4 kWh/100km compared to 17.8 kWh/100km for the Vauxhall Grandland. That’s a difference of about 2.4 kWh/100km.

As for electric range, the Vauxhall Grandland offers very slightly more range – reaching up to 694 km, about 63 km more than the Mercedes GLB.

Grandland

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 GLB offers very slightly more power – delivering 354 HP compared to 325 HP. That’s roughly 29 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLB is somewhat quicker – completing the sprint in 5.5 s, while the Vauxhall Grandland takes 6.1 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers marginally more torque with 515 Nm compared to 509 Nm. That’s about 6 Nm more.

GLB

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, Vauxhall Grandland is only slightly lighter – 1,675 kg compared to 1,840 kg. The difference is around 165 kg.

Looking at boot space, the Vauxhall Grandland offers only slightly more boot space – 550 L compared to 540 L. That’s a difference of about 10 L.

When it comes to payload, the Mercedes GLB carries marginally more – 505 kg compared to 495 kg. That’s a difference of about 10 kg.

Who wins the race in the data check?

The Vauxhall Grandland 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 £35,600
Grandland

Vauxhall Grandland

  • Engine Type : Electric, Plugin Hybrid, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 145 - 325 HP
  • Consumption L/100km : 2.6 - 5.6 L/100km
  • Consumption kWh/100km : 17.8 - 18.6 kWh/100km
  • Electric Range : 82 - 694 km
Mercedes GLB
Vauxhall Grandland

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.

details

Vauxhall Grandland

The Opel Grandland feels like a sensible, well-rounded SUV — neat styling, a spacious cabin and a composed ride that turns daily driving into a quietly pleasant experience. It’s a smart choice for buyers who want modern tech, good economy and a dash of German practicality without shouting for attention.

details
Mercedes GLB
Vauxhall Grandland

Costs and Consumption

Price
43,200 - 62,400 £
Price
35,600 - 51,400 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
2.6 - 5.6 L/100km
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
17.8 - 18.6 kWh/100km
Electric Range
431 - 631 km
Electric Range
82 - 694 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 138 g/km
co2
0 - 126 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,840 - 2,280 kg
Curb weight
1,675 - 2,325 kg
Trunk capacity
540 L
Trunk capacity
485 - 550 L
Length
-
Length
-
Width
1,861 mm
Width
1,905 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
425 - 495 kg

Engine and Performance

Engine Type
Electric, Full Hybrid
Engine Type
Electric, Plugin Hybrid, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
156 - 354 HP
Power HP
145 - 325 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
6.1 - 10.2 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
230 - 509 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
115 - 260 kW
Power kW
107 - 239 kW
Engine capacity
1,499 cm3
Engine capacity
1,199 - 1,598 cm3

General

Model Year
2026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
A, B, D
Brand
Mercedes-Benz
Brand
Vauxhall
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.