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Mercedes G Class vs Porsche Panamera comparison

Compare performance (605 HP vs 782 HP), boot space and price (106,600 £ vs 99,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes G Class or Porsche Panamera?

Mercedes G Class vs Porsche Panamera: Key differences

Mercedes G Class

  • clearly more electric range
  • clearly more trunk space
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Porsche Panamera

  • barely cheaper
  • markedly more power
  • significantly more efficient
  • significantly quicker 0–100 km/h
  • visibly lighter
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By Achim Sedelmaier

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

G Class

Costs and Efficiency:

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

Porsche Panamera is barely cheaper – starting at 99,800 £ , while the Mercedes G Class costs 106,600 £ . That’s a price difference of around 6,819 £.

Fuel consumption also shows a difference: the Porsche Panamera uses 3 L/100km and is significantly more efficient than the Mercedes G Class with 8.7 L/100km. The difference is about 5.7 L/100km.

As for electric range, the Mercedes G Class offers clearly more range – reaching up to 479 km, about 382 km more than the Porsche Panamera.

Panamera

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 Panamera offers markedly more power – delivering 782 HP compared to 605 HP. That’s roughly 177 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Panamera 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 G Class delivers somewhat more torque with 1,164 Nm compared to 1,000 Nm. That’s about 164 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 4.

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

Looking at boot space, the Mercedes G Class offers clearly more boot space – 640 L compared to 494 L. That’s a difference of about 146 L.

When it comes to payload, the Mercedes G Class carries markedly more – 715 kg compared to 545 kg. That’s a difference of about 170 kg.

Who wins the race in the data check?

The Porsche Panamera 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 £99,800
Panamera

Porsche Panamera

  • Engine Type : Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 353 - 782 HP
  • Consumption L/100km : 3 - 12 L/100km
  • Electric Range : 83 - 97 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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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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Reviews Mercedes G Class

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Porsche Panamera

The Porsche Panamera blends sports-car sharpness with luxury-sedan refinement, serving driving thrills up front while pampering passengers in the back. Poised, polished and mischievously quick, it’s the car for buyers who want exotic performance without losing everyday comfort.

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Mercedes G Class
Porsche Panamera

Costs and Consumption
Price
106,600 - 171,000 £
Price
99,800 - 212,100 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
3 - 12 L/100km
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
-
Electric Range
479 km
Electric Range
83 - 97 km
Battery Capacity
-
Battery Capacity
21.8 kWh
co2
0 - 336 g/km
co2
69 - 274 g/km
Fuel tank capacity
-
Fuel tank capacity
75 - 90 L

Dimensions and Body
Body Type
Off-Roader
Body Type
Hatchback
Seats
5
Seats
4
Doors
-
Doors
5
Curb weight
2,485 - 3,085 kg
Curb weight
1,960 - 2,535 kg
Trunk capacity
640 L
Trunk capacity
421 - 494 L
Length
-
Length
5,052 - 5,204 mm
Width
1,931 - 1,984 mm
Width
1,937 mm
Height
-
Height
1,415 - 1,428 mm
Max trunk capacity
-
Max trunk capacity
1,255 - 1,385 L
Payload
115 - 715 kg
Payload
340 - 545 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Engine Type
Petrol, Plugin Hybrid
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, All-Wheel Drive
Power HP
387 - 605 HP
Power HP
353 - 782 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
2.9 - 5.3 s
Max Speed
-
Max Speed
270 - 325 km/h
Torque
760 - 1,164 Nm
Torque
500 - 1,000 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
285 - 445 kW
Power kW
260 - 575 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
2,894 - 3,996 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
G, A
CO2 Efficiency Class
G, B, C
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.