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Mercedes G Class vs Vauxhall Grandland comparison

Compare performance (605 HP vs 325 HP), boot space and price (106,600 £ vs 35,600 £ ) at a glance. Find out which car is the better choice for you – Mercedes G Class or Vauxhall Grandland?

Mercedes G Class vs Vauxhall Grandland: Key differences

Mercedes G Class

  • significantly more power
  • noticeably quicker 0–100 km/h
  • somewhat more trunk space
details

Vauxhall Grandland

4.7 (2 Reviews)
rate
  • substantially cheaper
  • clearly more efficient
  • significantly more efficient
  • noticeably more electric range
  • considerably lighter
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

G Class

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Vauxhall Grandland is substantially cheaper – starting at 35,600 £ , while the Mercedes G Class costs 106,600 £ . That’s a price difference of around 70,976 £.

Fuel consumption also shows a difference: the Vauxhall Grandland uses 2.6 L/100km and is clearly more efficient than the Mercedes G Class with 8.7 L/100km. The difference is about 6.1 L/100km.

In terms of energy consumption, the Vauxhall Grandland is significantly more efficient: consuming 17.8 kWh/100km compared to 28 kWh/100km for the Mercedes G Class. That’s a difference of about 10.2 kWh/100km.

As for electric range, the Vauxhall Grandland offers noticeably more range – reaching up to 694 km, about 215 km more than the Mercedes G Class.

Grandland

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 significantly more power – delivering 605 HP compared to 325 HP. That’s roughly 280 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes G Class is noticeably quicker – completing the sprint in 4.4 s, while the Vauxhall Grandland takes 6.1 s. That’s about 1.7 s quicker.

There’s also a difference in torque: the Mercedes G Class delivers significantly more torque with 1,164 Nm compared to 509 Nm. That’s about 655 Nm more.

G Class

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 considerably lighter – 1,675 kg compared to 2,485 kg. The difference is around 810 kg.

Looking at boot space, the Mercedes G Class offers somewhat more boot space – 640 L compared to 550 L. That’s a difference of about 90 L.

When it comes to payload, the Mercedes G Class carries clearly more – 715 kg compared to 495 kg. That’s a difference of about 220 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
details

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Mercedes G Class
Vauxhall Grandland

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews Mercedes G Class

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

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.

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Reviews Vauxhall Grandland

4.7 (2 Reviews)
rate
Björn Vermeire
10 May 2026, 18:53:13

I chose the Grandland even though I initially planned to go for the Enyaq. The driving range, interior and equipment won me over.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Scheve
27 Nov 2025, 08:29:07

The ideal car for my needs. Range and energy management won me over, as did the elegant styling and the driver‑assist technology.

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Mercedes G Class
Vauxhall Grandland

Costs and Consumption
Price
106,600 - 171,000 £
Price
35,600 - 51,400 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
2.6 - 5.6 L/100km
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
17.8 - 18.6 kWh/100km
Electric Range
479 km
Electric Range
82 - 694 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 336 g/km
co2
0 - 126 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Off-Roader
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,485 - 3,085 kg
Curb weight
1,675 - 2,325 kg
Trunk capacity
640 L
Trunk capacity
485 - 550 L
Length
-
Length
-
Width
1,931 - 1,984 mm
Width
1,905 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
425 - 495 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Engine Type
Electric, Plugin Hybrid, Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
387 - 605 HP
Power HP
145 - 325 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
6.1 - 10.2 s
Max Speed
-
Max Speed
-
Torque
760 - 1,164 Nm
Torque
230 - 509 Nm
Number of Cylinders
6 - 8
Number of Cylinders
3 - 4
Power kW
285 - 445 kW
Power kW
107 - 239 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
1,199 - 1,598 cm3

General
Model Year
2,025 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
G, A
CO2 Efficiency Class
A, B, D
Brand
Mercedes-Benz
Brand
Vauxhall
What drivetrain options does the Mercedes G Class have?

The Mercedes G Class is available as 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.