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Mercedes S-Class vs Mercedes G-Class comparison

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

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

Mercedes S-Class

  • very slightly cheaper
  • marginally more power
  • substantially more efficient
  • a bit quicker 0–100 km/h
  • slightly lighter
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Mercedes G-Class

  • considerably more electric range
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By Achim Sedelmaier

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

S-Class

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes S-Class is very slightly 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 substantially 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 considerably more range – reaching up to 479 km, about 361 km more than the Mercedes S-Class.

G-Class

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 S-Class offers marginally 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 visibly more torque with 1,164 Nm compared to 850 Nm. That’s about 314 Nm more.

S-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, Mercedes S-Class is slightly lighter – 2,165 kg compared to 2,485 kg. The difference is around 320 kg.

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 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 £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
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In the world of luxury SUVs, the Mercedes G-Klasse, with its iconic boxy design and legendary off-road capabilities, stands in stark contrast to the elegant and spacious Mercedes GLS, often dubbed the "S-Class of SUVs." The G-Klasse appeals to adventure seekers and those who appreciate a rugged …
Mercedes S-Class
Mercedes G-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

details
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Reviews Mercedes S-Class

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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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Mercedes S-Class
Mercedes G-Class

Costs and Consumption
Price
104,000 - 201,400 £
Price
106,600 - 171,000 £
Consumption L/100km
2.2 - 11 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
98 - 118 km
Electric Range
479 km
Battery Capacity
-
Battery Capacity
-
co2
50 - 252 g/km
co2
0 - 336 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Off-Roader
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,165 - 2,650 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
-
Trunk capacity
640 L
Length
-
Length
-
Width
1,921 mm
Width
1,931 - 1,984 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
420 - 660 kg
Payload
115 - 715 kg

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

General
Model Year
2026
Model Year
2,025 - 2,026
CO2 Efficiency Class
G, B, F
CO2 Efficiency Class
G, A
Brand
Mercedes-Benz
Brand
Mercedes-Benz
Is the Mercedes S-Class offered with different drivetrains?

The Mercedes S-Class is offered with All-Wheel Drive or Rear-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.