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Mercedes G Class vs Nissan Ariya comparison

Compare performance (605 HP vs 435 HP), boot space and price (106,600 £ vs 54,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes G Class or Nissan Ariya?

Mercedes G Class vs Nissan Ariya: Key differences

Mercedes G Class

  • markedly more power
  • slightly more electric range
  • somewhat quicker 0–100 km/h
  • clearly more trunk space
details

Nissan Ariya

5 (1 Reviews)
rate
  • substantially cheaper
  • somewhat more efficient
  • only slightly lighter
details

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.

Nissan Ariya is substantially cheaper – starting at 54,800 £ , while the Mercedes G Class costs 106,600 £ . That’s a price difference of around 51,742 £.

In terms of energy consumption, the Nissan Ariya is somewhat more efficient: consuming 24.5 kWh/100km compared to 28 kWh/100km for the Mercedes G Class. That’s a difference of about 3.5 kWh/100km.

As for electric range, the Mercedes G Class offers slightly more range – reaching up to 479 km, about 62 km more than the Nissan Ariya.

Ariya

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 markedly more power – delivering 605 HP compared to 435 HP. That’s roughly 170 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes G Class is somewhat quicker – completing the sprint in 4.4 s, while the Nissan Ariya takes 5 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the Mercedes G Class delivers clearly more torque with 1,164 Nm compared to 600 Nm. That’s about 564 Nm more.

G Class

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Nissan Ariya is only slightly lighter – 2,277 kg compared to 2,485 kg. The difference is around 208 kg.

Looking at boot space, the Mercedes G Class offers clearly more boot space – 640 L compared to 415 L. That’s a difference of about 225 L.

When it comes to payload, the Mercedes G Class carries significantly more – 715 kg compared to 363 kg. That’s a difference of about 352 kg.

Who wins the race in the data check?

The Mercedes G Class is clearly superior 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 £106,600
G Class

Mercedes G Class

  • Engine Type : Petrol MHEV, Diesel MHEV, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 387 - 605 HP
  • Consumption L/100km : 8.7 - 14.7 L/100km
  • Consumption kWh/100km : 28 kWh/100km
  • Electric Range : 479 km
details

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Mercedes G Class
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View detailed analysis

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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

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Nissan Ariya

The Nissan Ariya wraps futuristic, sculpted styling around a calm, high-tech cabin, making the switch to electric feel surprisingly easy and grown-up. It’s a comfortable, sensible EV that favors everyday usability and clever packaging over headline-grabbing theatrics — ideal for buyers who want an elegant, low-fuss electric car without the ego.

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Reviews Nissan Ariya

5 (1 Reviews)
rate

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

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Mercedes G Class
Nissan Ariya

Costs and Consumption
Price
106,600 - 171,000 £
Price
54,800 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
24.5 kWh/100km
Electric Range
479 km
Electric Range
417 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 336 g/km
co2
0 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
2,277 kg
Trunk capacity
640 L
Trunk capacity
415 L
Length
-
Length
-
Width
1,931 - 1,984 mm
Width
1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
363 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
387 - 605 HP
Power HP
435 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
5 s
Max Speed
-
Max Speed
-
Torque
760 - 1,164 Nm
Torque
600 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
285 - 445 kW
Power kW
320 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
G, A
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Nissan
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.