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Mercedes G-Class vs Porsche Boxster comparison

Compare performance (605 HP vs 500 HP), boot space and price (106,600 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes G-Class or Porsche Boxster?

Mercedes G-Class vs Porsche Boxster: Key differences

Mercedes G-Class

  • visibly cheaper
  • slightly more power
  • considerably more efficient
  • considerably more trunk space
details

Porsche Boxster

  • markedly quicker 0–100 km/h
  • clearly 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 G-Class is visibly cheaper – starting at 106,600 £ , while the Porsche Boxster costs 136,000 £ . That’s a price difference of around 29,438 £.

Fuel consumption also shows a difference: the Mercedes G-Class uses 8.7 L/100km and is considerably more efficient than the Porsche Boxster with 12.7 L/100km. The difference is about 4 L/100km.

Boxster

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 G-Class offers slightly more power – delivering 605 HP compared to 500 HP. That’s roughly 105 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Boxster is markedly quicker – completing the sprint in 3.4 s, while the Mercedes G-Class takes 4.4 s. That’s about 1 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers considerably more torque with 1,164 Nm compared to 450 Nm. That’s about 714 Nm more.

G-Class

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

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

In terms of curb weight, Porsche Boxster is clearly lighter – 1,485 kg compared to 2,485 kg. The difference is around 1,000 kg.

Looking at boot space, the Mercedes G-Class offers considerably more boot space – 640 L compared to 122 L. That’s a difference of about 518 L.

When it comes to payload, the Mercedes G-Class carries significantly more – 715 kg compared to 270 kg. That’s a difference of about 445 kg.

Who wins the race in the data check?

The Mercedes G-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 £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
details

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View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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 Boxster

The Porsche Boxster epitomizes the essence of a pure, open-top driving experience with its mid-engine roadster design. Known for its agile handling and dynamic performance, the Boxster seamlessly blends luxury with thrilling precision on the road. Its unmistakable styling and superior engineering continue to captivate automotive enthusiasts who crave a visceral connection to the art of driving.

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Porsche Boxster

Costs and Consumption
Price
106,600 - 171,000 £
Price
136,000 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
12.7 L/100km
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
-
Electric Range
479 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 336 g/km
co2
288 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Off-Roader
Body Type
Roadster
Seats
5
Seats
2
Doors
-
Doors
2
Curb weight
2,485 - 3,085 kg
Curb weight
1,485 kg
Trunk capacity
640 L
Trunk capacity
122 L
Length
-
Length
4,418 mm
Width
1,931 - 1,984 mm
Width
1,822 mm
Height
-
Height
1,252 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
270 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
387 - 605 HP
Power HP
500 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
308 km/h
Torque
760 - 1,164 Nm
Torque
450 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6
Power kW
285 - 445 kW
Power kW
368 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
3,996 cm3

General
Model Year
2,025 - 2,026
Model Year
2023
CO2 Efficiency Class
G, A
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.