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Mercedes G-Class vs Mercedes S-Class comparison

Compare performance (605 HP vs 635 HP), boot space and price (106,600 £ vs 104,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes G-Class or Mercedes S-Class?

Mercedes G-Class vs Mercedes S-Class: Key differences

Mercedes G-Class

  • substantially more electric range
  • moderately more trunk space
details

Mercedes S-Class

  • barely cheaper
  • only slightly more power
  • considerably more efficient
  • a bit quicker 0–100 km/h
  • somewhat 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 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.

Mercedes S-Class is barely cheaper – starting at 104,000 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 2,571 £.

Fuel consumption also shows a difference: the Mercedes S-Class uses 2.2 L/100km and is considerably more efficient than the Mercedes G-Class with 8.7 L/100km. The difference is about 6.5 L/100km.

As for electric range, the Mercedes G-Class offers substantially more range – reaching up to 479 km, about 361 km more than the Mercedes S-Class.

S-Class

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes S-Class offers only slightly more power – delivering 635 HP compared to 605 HP. That’s roughly 30 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes S-Class is a bit quicker – completing the sprint in 4 s, while the Mercedes G-Class takes 4.4 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers noticeably more torque with 1,164 Nm compared to 850 Nm. That’s about 314 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, Mercedes S-Class is somewhat lighter – 2,165 kg compared to 2,485 kg. The difference is around 320 kg.

Looking at boot space, the Mercedes G-Class offers moderately more boot space – 640 L compared to 530 L. That’s a difference of about 110 L.

When it comes to payload, the Mercedes G-Class carries only slightly more – 715 kg compared to 660 kg. That’s a difference of about 55 kg.

Who wins the race in the data check?

The Mercedes S-Class 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 £104,000
S-Class

Mercedes S-Class

  • Engine Type Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 336 - 635 HP
  • Consumption L/100km 2.2 - 11 L/100km
  • Electric Range 98 - 118 km
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Frequently compared as well

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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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Mercedes S-Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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Mercedes G-Class
Mercedes S-Class

Costs and Consumption
Price
106,600 - 171,000 £
Price
104,000 - 201,400 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
2.2 - 11 L/100km
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
-
Electric Range
479 km
Electric Range
98 - 118 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 336 g/km
co2
50 - 252 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
2,165 - 2,650 kg
Trunk capacity
640 L
Trunk capacity
345 - 530 L
Length
-
Length
-
Width
1,931 - 1,984 mm
Width
1,921 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
420 - 660 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
387 - 605 HP
Power HP
336 - 635 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
4 - 5.7 s
Max Speed
-
Max Speed
-
Torque
760 - 1,164 Nm
Torque
560 - 850 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
285 - 445 kW
Power kW
247 - 467 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
2,989 - 3,982 cm3

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