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Mercedes G Class vs Porsche 911 Coupe comparison

Compare performance (605 HP vs 711 HP), boot space and price (106,600 £ vs 116,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes G Class or Porsche 911 Coupe?

Mercedes G Class vs Porsche 911 Coupe: Key differences

Mercedes G Class

  • marginally cheaper
  • moderately more efficient
  • substantially more trunk space

Porsche 911 Coupe

  • a bit more power
  • considerably quicker 0–100 km/h
  • considerably lighter

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

G Class

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.

Mercedes G Class is marginally cheaper – starting at 106,600 £ , while the Porsche 911 Coupe costs 116,800 £ . That’s a price difference of around 10,238 £.

Fuel consumption also shows a difference: the Mercedes G Class uses 8.7 L/100km and is moderately more efficient than the Porsche 911 Coupe with 10.1 L/100km. The difference is about 1.4 L/100km.

911 Coupe

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 Porsche 911 Coupe offers a bit more power – delivering 711 HP compared to 605 HP. That’s roughly 106 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Coupe is considerably quicker – completing the sprint in 2.5 s, while the Mercedes G Class takes 4.4 s. That’s about 1.9 s quicker.

Looking at top speed, the Porsche 911 Coupe is substantially faster – reaching 313 km/h, while the Mercedes G Class tops out at 180 km/h. The difference is around 133 km/h.

There’s also a difference in torque: the Mercedes G Class delivers visibly more torque with 1,164 Nm compared to 800 Nm. That’s about 364 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.

Seats: Mercedes G Class offers more seats – 5 vs 2.

In terms of curb weight, Porsche 911 Coupe is considerably lighter – 1,525 kg compared to 2,485 kg. The difference is around 960 kg.

Looking at boot space, the Mercedes G Class offers substantially more boot space – 640 L compared to 373 L. That’s a difference of about 267 L.

When it comes to payload, the Mercedes G Class carries substantially more – 715 kg compared to 310 kg. That’s a difference of about 405 kg.

Who wins the race in the data check?

The Mercedes G Class is far 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 : Electric, Petrol MHEV, Diesel MHEV
  • 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 : 468 km
details

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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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The Porsche 911 Coupe remains the iconic sports car you buy when you want a thrilling weekend weapon that still behaves like a civilized companion during the weekdays. Its classic silhouette and razor‑sharp handling deliver a grin-inducing drive every time, while the polished interior and intuitive controls remind you this is a car built for drivers, not just headlines.

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Porsche 911 Coupe

Costs and Consumption
Price
106,600 - 171,000 £
Price
116,800 - 301,000 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
10.1 - 13.8 L/100km
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
-
Electric Range
468 km
Electric Range
-
Battery Capacity
116 kWh
Battery Capacity
-
co2
0 - 336 g/km
co2
229 - 312 g/km
Fuel tank capacity
-
Fuel tank capacity
63 - 64 L

Dimensions and Body
Body Type
Off-Roader
Body Type
Coupe
Seats
5
Seats
2
Doors
5
Doors
2
Curb weight
2,485 - 3,085 kg
Curb weight
1,525 - 1,815 kg
Trunk capacity
620 - 640 L
Trunk capacity
264 - 373 L
Length
4,624 mm
Length
4,542 - 4,572 mm
Width
1,931 - 1,984 mm
Width
1,852 - 1,900 mm
Height
1,983 mm
Height
1,279 - 1,322 mm
Max trunk capacity
1,990 L
Max trunk capacity
-
Payload
415 - 715 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Electric, Petrol MHEV, Diesel MHEV
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
387 - 605 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
180 km/h
Max Speed
294 - 313 km/h
Torque
760 - 1,164 Nm
Torque
450 - 800 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6
Power kW
285 - 445 kW
Power kW
290 - 523 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2,024 - 2,025
Model Year
2,022 - 2,026
CO2 Efficiency Class
A, G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Porsche
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.