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Mercedes G Class vs Porsche 911 Convertible - Differences and prices compared
Compare performance (605 HP vs 711 HP), boot space and price (106600 £ vs 122400 £ ) at a glance. Find out which car is the better choice for you – Mercedes G Class or Porsche 911 Convertible?
G Class
Costs and Efficiency:
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
Mercedes G Class has a to a small extent advantage in terms of price – it starts at 106600 £ , while the Porsche 911 Convertible costs 122400 £ . That’s a price difference of around 15810 £.
Fuel consumption also shows a difference: Mercedes G Class manages with 8.70 L and is therefore somewhat more efficient than the Porsche 911 Convertible with 10.30 L. The difference is about 1.60 L per 100 km.
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 Porsche 911 Convertible has a to a small extent edge – offering 711 HP compared to 605 HP. That’s roughly 106 HP more horsepower.
In acceleration from 0 to 100 km/h, the Porsche 911 Convertible is clearly quicker – completing the sprint in 2.60 s, while the Mercedes G Class takes 4.40 s. That’s about 1.80 s faster.
In terms of top speed, the Porsche 911 Convertible performs evident better – reaching 322 km/h, while the Mercedes G Class tops out at 220 km/h. The difference is around 102 km/h.
There’s also a difference in torque: Mercedes G Class pulls clearly perceptible stronger with 1164 Nm compared to 800 Nm. That’s about 364 Nm difference.
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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 a bit more seating capacity – 5 vs 4.
In curb weight, Porsche 911 Convertible is convincingly lighter – 1655 kg compared to 2485 kg. The difference is around 830 kg.
In terms of boot space, the Mercedes G Class offers significantly more room – 640 L compared to 163 L. That’s a difference of about 477 L.
When it comes to payload, Mercedes G Class significantly takes the win – 715 kg compared to 345 kg. That’s a difference of about 370 kg.
Who wins the race in the data check?
The Mercedes G 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.
Mercedes G Class
Porsche 911 Convertible
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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from about £106,600
Mercedes G Class
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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Porsche 911 Convertible
The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.
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Mercedes G Class
Porsche 911 Convertible
Costs and Consumption |
|
|---|---|
|
Price
106600 - 171000 £
|
Price
122400 - 244500 £
|
|
Consumption L/100km
8.7 - 14.7 L
|
Consumption L/100km
10.3 - 11.7 L
|
|
Consumption kWh/100km
28 kWh
|
Consumption kWh/100km
-
|
|
Electric Range
468 km
|
Electric Range
-
|
|
Battery Capacity
116 kWh
|
Battery Capacity
-
|
|
co2
0 - 336 g/km
|
co2
234 - 265 g/km
|
|
Fuel tank capacity
100 L
|
Fuel tank capacity
63 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
Off-Roader
|
Body Type
Convertible
|
|
Seats
5
|
Seats
4
|
|
Doors
5
|
Doors
2
|
|
Curb weight
2485 - 3085 kg
|
Curb weight
1655 - 1900 kg
|
|
Trunk capacity
620 - 640 L
|
Trunk capacity
163 L
|
|
Length
4624 - 4873 mm
|
Length
4542 - 4553 mm
|
|
Width
1931 - 1984 mm
|
Width
1852 - 1900 mm
|
|
Height
1973 - 1983 mm
|
Height
1292 - 1302 mm
|
|
Max trunk capacity
1990 - 2010 L
|
Max trunk capacity
-
|
|
Payload
415 - 715 kg
|
Payload
275 - 345 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Electric, Petrol MHEV, Diesel MHEV
|
Engine Type
Petrol, Full Hybrid
|
|
Transmission
Automatic
|
Transmission
Automatic, Manuel
|
|
Transmission Detail
Reduction Gearbox, Automatic Gearbox
|
Transmission Detail
Dual-Clutch Automatic, Manual Gearbox
|
|
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
2.6 - 4.7 s
|
|
Max Speed
180 - 220 km/h
|
Max Speed
291 - 322 km/h
|
|
Torque
760 - 1164 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
2989 - 3982 cm3
|
Engine capacity
2981 - 3591 cm3
|
General |
|
|---|---|
|
Model Year
2024 - 2025
|
Model Year
2024 - 2026
|
|
CO2 Efficiency Class
A, G
|
CO2 Efficiency Class
G
|
|
Brand
Mercedes-Benz
|
Brand
Porsche
|
What drive types are available for the Mercedes G Class?
Available configurations include All-Wheel Drive.
The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.