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Mercedes G-Class vs Kia EV3 comparison

Compare performance (605 HP vs 265 HP), boot space and price (106,600 £ vs 40,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes G-Class or Kia EV3?

Mercedes G-Class vs Kia EV3: Key differences

Mercedes G-Class

  • clearly more power
  • significantly quicker 0–100 km/h
  • markedly more trunk space
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Kia EV3

4.4 (6 Reviews)
rate
  • significantly cheaper
  • substantially more efficient
  • somewhat more electric range
  • clearly lighter
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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

G-Class

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.

Kia EV3 is significantly cheaper – starting at 40,200 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 66,408 £.

In terms of energy consumption, the Kia EV3 is substantially more efficient: consuming 15.8 kWh/100km compared to 28 kWh/100km for the Mercedes G-Class. That’s a difference of about 12.2 kWh/100km.

As for electric range, the Kia EV3 offers somewhat more range – reaching up to 572 km, about 93 km more than the Mercedes G-Class.

EV3

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 265 HP. That’s roughly 340 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes G-Class is significantly quicker – completing the sprint in 4.4 s, while the Kia EV3 takes 6.6 s. That’s about 2.2 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers clearly more torque with 1,164 Nm compared to 385 Nm. That’s about 779 Nm more.

G-Class

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Kia EV3 is clearly lighter – 1,995 kg compared to 2,485 kg. The difference is around 490 kg.

Looking at boot space, the Mercedes G-Class offers markedly more boot space – 640 L compared to 413 L. That’s a difference of about 227 L.

When it comes to payload, the Mercedes G-Class carries visibly more – 715 kg compared to 485 kg. That’s a difference of about 230 kg.

Who wins the race in the data check?

The Mercedes G-Class sits just 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
Mercedes G-Class
Kia EV3

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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Kia EV3

The Kia EV3 is a stylish, user-friendly electric crossover that focuses on practicality and a roomy, well-equipped cabin. It delivers a comfortable ride with intuitive technology and efficient everyday performance, making it a sensible choice for city and family use.

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Mercedes G-Class
Kia EV3

Costs and Consumption

Price
106,600 - 171,000 £
Price
40,200 - 43,900 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
15.8 kWh/100km
Electric Range
479 km
Electric Range
572 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
1,995 kg
Trunk capacity
640 L
Trunk capacity
413 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
485 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
265 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
6.6 s
Max Speed
-
Max Speed
-
Torque
760 - 1,164 Nm
Torque
385 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
285 - 445 kW
Power kW
195 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
-

General

Model Year
2,025 - 2,026
Model Year
2026
CO2 Efficiency Class
G, A
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Kia
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.