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Kia Sorento vs Mercedes G Class comparison

Compare performance (252 HP vs 605 HP), boot space and price (46,900 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – Kia Sorento or Mercedes G Class?

Kia Sorento vs Mercedes G Class: Key differences

Kia Sorento

  • significantly cheaper
  • substantially more efficient
  • clearly lighter
  • very slightly more trunk space
details

Mercedes G Class

  • substantially more power
  • substantially more electric range
  • clearly quicker 0–100 km/h
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By Achim Sedelmaier

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

Sorento

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.

Kia Sorento is significantly cheaper – starting at 46,900 £ , while the Mercedes G Class costs 106,600 £ . That’s a price difference of around 59,713 £.

Fuel consumption also shows a difference: the Kia Sorento uses 3.9 L/100km and is substantially more efficient than the Mercedes G Class with 8.7 L/100km. The difference is about 4.8 L/100km.

As for electric range, the Mercedes G Class offers substantially more range – reaching up to 479 km, about 424 km more than the Kia Sorento.

G Class

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 G Class offers substantially more power – delivering 605 HP compared to 252 HP. That’s roughly 353 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes G Class is clearly quicker – completing the sprint in 4.4 s, while the Kia Sorento takes 8 s. That’s about 3.6 s quicker.

There’s also a difference in torque: the Mercedes G Class delivers significantly more torque with 1,164 Nm compared to 440 Nm. That’s about 724 Nm more.

Sorento

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.

Seats: Kia Sorento offers more seats – 7 vs 5.

In terms of curb weight, Kia Sorento is clearly lighter – 1,855 kg compared to 2,485 kg. The difference is around 630 kg.

Looking at boot space, the Kia Sorento offers very slightly more boot space – 705 L compared to 640 L. That’s a difference of about 65 L.

When it comes to payload, the Mercedes G Class carries marginally more – 715 kg compared to 685 kg. That’s a difference of about 30 kg.

Who wins the race in the data check?

The Mercedes G Class stands well ahead of its rival 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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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Kia Sorento

The Kia Sorento blends roomy practicality with smart tech and an unexpectedly composed highway manner, making it an easy choice for families who want comfort without fuss. It presents classy interior touches and sensible packaging at a realistic price, proving you don't need to shout to be noticed in the SUV crowd.

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Neuer Kia Sorento (Modelljahr 2021)
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Reviews Kia Sorento

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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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Kia Sorento
Mercedes G Class

Costs and Consumption
Price
46,900 - 60,100 £
Price
106,600 - 171,000 £
Consumption L/100km
3.9 - 7 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
55 km
Electric Range
479 km
Battery Capacity
-
Battery Capacity
-
co2
87 - 174 g/km
co2
0 - 336 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Off-Roader
Seats
5 - 7
Seats
5
Doors
-
Doors
-
Curb weight
1,855 - 2,110 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
175 - 705 L
Trunk capacity
640 L
Length
-
Length
-
Width
1,900 mm
Width
1,931 - 1,984 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
162 - 685 kg
Payload
115 - 715 kg

Engine and Performance
Engine Type
Full Hybrid, Diesel, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
194 - 252 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
8 - 9.7 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
-
Max Speed
-
Torque
380 - 440 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
142 - 212 kW
Power kW
285 - 445 kW
Engine capacity
1,598 - 2,151 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
E, F, B
CO2 Efficiency Class
G, A
Brand
Kia
Brand
Mercedes-Benz
What drive types are available for the Kia Sorento?

The Kia Sorento is offered with Front-Wheel Drive or 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.