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Mercedes SL Class vs Mercedes G Class comparison

Compare performance (816 HP vs 605 HP), boot space and price (112,700 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Mercedes G Class?

Mercedes SL Class vs Mercedes G Class: Key differences

Mercedes SL Class

  • clearly more power
  • significantly quicker 0–100 km/h
  • clearly lighter
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Mercedes G Class

  • very slightly cheaper
  • very slightly more efficient
  • clearly more electric range
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By Achim Sedelmaier

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

SL 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 G Class is very slightly cheaper – starting at 106,600 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 6,114 £.

Fuel consumption also shows a difference: the Mercedes G Class uses 8.7 L/100km and is very slightly more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 0.3 L/100km.

As for electric range, the Mercedes G Class offers clearly more range – reaching up to 479 km, about 467 km more than the Mercedes SL Class.

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 SL Class offers clearly more power – delivering 816 HP compared to 605 HP. That’s roughly 211 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is significantly quicker – completing the sprint in 2.9 s, while the Mercedes G Class takes 4.4 s. That’s about 1.5 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers somewhat more torque with 1,420 Nm compared to 1,164 Nm. That’s about 256 Nm more.

SL 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.

Seats: Mercedes G Class offers more seats – 5 vs 4.

In terms of curb weight, Mercedes SL Class is clearly lighter – 1,810 kg compared to 2,485 kg. The difference is around 675 kg.

When it comes to payload, the Mercedes G Class carries considerably more – 715 kg compared to 375 kg. That’s a difference of about 340 kg.

Who wins the race in the data check?

The Mercedes G Class holds a decisive overall lead 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 SL Class
Mercedes G Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

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15C1119_012
15C1119_029
15C1119_120
15C1119_004

Reviews Mercedes SL 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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18C0997_133
19C0473_066
18C0997_262

Reviews Mercedes G Class

No reviews yet. Share your experience and help others decide.

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Mercedes G Class
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Mercedes SL Class
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Mercedes SL Class
Mercedes G Class

Costs and Consumption
Price
112,700 - 219,300 £
Price
106,600 - 171,000 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
12 km
Electric Range
479 km
Battery Capacity
-
Battery Capacity
-
co2
206 - 309 g/km
co2
0 - 336 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Off-Roader
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,810 - 2,195 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
-
Trunk capacity
640 L
Length
-
Length
-
Width
1,915 mm
Width
1,931 - 1,984 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
115 - 715 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
381 - 816 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
2.9 - 4.9 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
-
Max Speed
-
Torque
480 - 1,420 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6 - 8
Power kW
280 - 600 kW
Power kW
285 - 445 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G, A
Brand
Mercedes-Benz
Brand
Mercedes-Benz
What drive types are available for the Mercedes SL Class?

The Mercedes SL Class is offered with Rear-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.