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Mercedes G Class vs Genesis G80 comparison

Compare performance (605 HP vs 370 HP), boot space and price (106,600 £ vs 64,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes G Class or Genesis G80?

Mercedes G Class vs Genesis G80: Key differences

Mercedes G Class

  • clearly more power
  • moderately quicker 0–100 km/h
  • substantially more trunk space
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Genesis G80

  • considerably cheaper
  • clearly more efficient
  • somewhat more electric range
  • marginally lighter
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By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

G Class

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.

Genesis G80 is considerably cheaper – starting at 64,300 £ , while the Mercedes G Class costs 106,600 £ . That’s a price difference of around 42,305 £.

In terms of energy consumption, the Genesis G80 is clearly more efficient: consuming 18.1 kWh/100km compared to 28 kWh/100km for the Mercedes G Class. That’s a difference of about 9.9 kWh/100km.

As for electric range, the Genesis G80 offers somewhat more range – reaching up to 570 km, about 91 km more than the Mercedes G Class.

G80

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 clearly more power – delivering 605 HP compared to 370 HP. That’s roughly 235 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes G Class is moderately quicker – completing the sprint in 4.4 s, while the Genesis G80 takes 5.1 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Mercedes G Class delivers noticeably more torque with 1,164 Nm compared to 700 Nm. That’s about 464 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, Genesis G80 is marginally lighter – 2,410 kg compared to 2,485 kg. The difference is around 75 kg.

Looking at boot space, the Mercedes G Class offers substantially more boot space – 640 L compared to 354 L. That’s a difference of about 286 L.

When it comes to payload, the Mercedes G Class carries markedly more – 715 kg compared to 490 kg. That’s a difference of about 225 kg.

Who wins the race in the data check?

The Mercedes G Class 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 £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
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Mercedes G Class
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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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Genesis G80

The Genesis G80 is a quietly confident executive sedan that marries elegant, restrained design with an interior that feels bespoke rather than mass-produced. For buyers who crave flagship comfort and poise without the badge theatrics, the G80 serves serious luxury and refinement with a touch of surprising value — like a tuxedoed chauffeur who secretly loves great playlists.

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Mercedes G Class
Genesis G80

Costs and Consumption
Price
106,600 - 171,000 £
Price
64,300 - 67,800 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
18.1 kWh/100km
Electric Range
479 km
Electric Range
570 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
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,485 - 3,085 kg
Curb weight
2,410 kg
Trunk capacity
640 L
Trunk capacity
354 L
Length
-
Length
-
Width
1,931 - 1,984 mm
Width
1,925 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
490 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
370 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
5.1 s
Max Speed
-
Max Speed
-
Torque
760 - 1,164 Nm
Torque
700 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
285 - 445 kW
Power kW
272 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
Genesis
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.