Compare performance (605 HP vs 1,156 HP), boot space and price (106,600 £ vs 90,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes G Class or Porsche Cayenne?
When it comes to top-tier luxury vehicles, two names often come to mind: the Mercedes G-Klasse and the Porsche Cayenne. Both are unique in their own right, yet they are worthy contenders in the realm of powerful, luxury off-road and sports utility vehicles. Let's delve into the details and see how these icons stack up against each other.
The Mercedes G-Klasse, colloquially known as the "G-Wagon," offers an impressive lineup of engines, ranging from petrol mild-hybrid electric vehicles (MHEV) to fully electric and diesel MHEVs. The petrol variant can produce between 387 to 605 HP, with torque measurements as high as 1050 Nm, making it a beast on any terrain. Acceleration is equally impressive, with some models rocketing from 0-100 km/h in just 4.4 seconds.
On the other hand, the Porsche Cayenne, with its line-up that includes both plugin hybrid and petrol engines, produces peak power ranging from 353 to an exhilarating 739 HP. Torque figures reach up to 950 Nm depending on the variant. Particularly notable is the Cayenne's superior top speed, reaching up to 305 km/h in certain models, and accelerating from 0-100 km/h in a mere 3.6 seconds.
The G-Klasse's fuel consumption stands between 8.7 to 14.7 L/100km for its combustion engines, while its electric configurations consume between 28 to 28.9 kWh/100km. The electric G-Wagon promises an impressive range up to 468 km on a full charge, thanks to its substantial 116 kWh battery capacity.
In stark contrast, the Cayenne shines in fuel efficiency, particularly with its plugin hybrid variants, consuming as little as 1.4 to 1.8 L/100km. Its electric range extends up to 78 km, with a significantly smaller battery capacity of 21.8 kWh, showcasing Porsche's engineering marvel. Traditional petrol engines consume between 10.8 to 12.6 L/100km, seated firmly within the high-performance SUV category.
The G-Klasse is an off-road archetype. Its rugged design with a boxy silhouette exudes a sense of adventure and endurance. There's ample space inside for five passengers, and a trunk capacity reaching up to 640 liters, suitable for both adventurous getaways and urban exploits. It stands tall at a height reaching up to 1983 mm, depending on the model.
Meanwhile, the Porsche Cayenne pushes the boundaries of modern SUV aesthetics. With a sleek, aerodynamic body, the Cayenne maximizes both luxury and athletic prowess. The cargo space is competitive, ranging from 434 to 772 liters, catering to families and individual enthusiasts alike. The vehicle's height is notably lower, reinforcing its sporty stance.
The Mercedes G-Klasse, equipped with a reduction gearbox and all-wheel drive, thrives on rugged terrains and challenging conditions. It's the quintessential off-roader that instills confidence in any expedition.
The Porsche Cayenne, optimized for speed and finesse, captures the essence of sports car performance within an SUV chassis. Its precise handling and agile maneuverability make it an absolute pleasure on both highways and winding roads, balancing luxury with thrill.
Choosing between the Mercedes G-Klasse and the Porsche Cayenne is a matter of preference dictated by lifestyle. The G-Klasse appeals to those who revel in iconic durability and adventure, while the Cayenne caters to the need for a luxurious speed demon that commands attention and delivers high-octane performance. Both vehicles encapsulate innovation and engineering prowess that keep them at the zenith of the automobile world.
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.
Porsche Cayenne is a bit cheaper – starting at 90,200 £ , while the Mercedes G Class costs 106,600 £ . That’s a price difference of around 16,419 £.
Fuel consumption also shows a difference: the Porsche Cayenne uses 4 L/100km and is significantly more efficient than the Mercedes G Class with 8.7 L/100km. The difference is about 4.7 L/100km.
In terms of energy consumption, the Porsche Cayenne is considerably more efficient: consuming 19.5 kWh/100km compared to 28 kWh/100km for the Mercedes G Class. That’s a difference of about 8.5 kWh/100km.
As for electric range, the Porsche Cayenne offers markedly more range – reaching up to 651 km, about 172 km more than the Mercedes G Class.
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 Cayenne offers considerably more power – delivering 1,156 HP compared to 605 HP. That’s roughly 551 HP more horsepower.
When accelerating from 0 to 100 km/h, the Porsche Cayenne is significantly quicker – completing the sprint in 2.5 s, while the Mercedes G Class takes 4.4 s. That’s about 1.9 s quicker.
There’s also a difference in torque: the Porsche Cayenne delivers markedly more torque with 1,500 Nm compared to 1,164 Nm. That’s about 336 Nm more.
Whether family car or daily driver – which one offers more room, flexibility and comfort?
Both vehicles offer seating for 5 people.
In terms of curb weight, Porsche Cayenne is a bit lighter – 2,130 kg compared to 2,485 kg. The difference is around 355 kg.
Looking at boot space, the Porsche Cayenne offers a bit more boot space – 781 L compared to 640 L. That’s a difference of about 141 L.
When it comes to payload, the Mercedes G Class carries very slightly more – 715 kg compared to 705 kg. That’s a difference of about 10 kg.
The Porsche Cayenne 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.
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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Few SUVs blend athletic poise and Teutonic precision like the Porsche Cayenne, putting genuine sports‑car feeling into a roomy, everyday package. If you want a practical family hauler that still makes you grin every time you merge, the Cayenne delivers — turning errands into an excuse for a spirited drive.
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Costs and Consumption |
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Price
106,600 - 171,000 £
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Price
90,200 - 141,900 £
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Consumption L/100km
8.7 - 14.7 L/100km
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Consumption L/100km
4 - 11 L/100km
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Consumption kWh/100km
28 kWh/100km
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Consumption kWh/100km
19.5 - 20.6 kWh/100km
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Electric Range
479 km
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Electric Range
74 - 651 km
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Battery Capacity
-
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Battery Capacity
-
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co2
0 - 336 g/km
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co2
0 - 249 g/km
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Fuel tank capacity
-
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Fuel tank capacity
-
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Dimensions and Body |
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Body Type
Off-Roader
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Body Type
SUV
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Seats
5
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Seats
4 - 5
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Doors
-
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Doors
-
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Curb weight
2,485 - 3,085 kg
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Curb weight
2,130 - 2,720 kg
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Trunk capacity
640 L
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Trunk capacity
434 - 781 L
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Length
-
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Length
-
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Width
1,931 - 1,984 mm
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Width
1,980 - 1,983 mm
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Height
-
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Height
-
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Max trunk capacity
-
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Max trunk capacity
-
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Payload
115 - 715 kg
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Payload
550 - 705 kg
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Engine and Performance |
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Engine Type
Petrol MHEV, Diesel MHEV, Electric
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Engine Type
Petrol, Plugin Hybrid, Electric
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Automatic Gearbox, Reduction Gearbox
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Transmission Detail
Automatic Gearbox, Reduction Gearbox
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Drive Type
All-Wheel Drive
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Drive Type
All-Wheel Drive
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Power HP
387 - 605 HP
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Power HP
353 - 1,156 HP
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Acceleration 0-100km/h
4.4 - 5.8 s
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Acceleration 0-100km/h
2.5 - 6 s
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Max Speed
-
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Max Speed
-
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Torque
760 - 1,164 Nm
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Torque
500 - 1,500 Nm
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Number of Cylinders
6 - 8
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Number of Cylinders
6
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Power kW
285 - 445 kW
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Power kW
260 - 850 kW
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Engine capacity
2,989 - 3,982 cm3
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Engine capacity
2,995 cm3
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General |
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Model Year
2,025 - 2,026
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Model Year
2,025 - 2,026
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CO2 Efficiency Class
G, A
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CO2 Efficiency Class
G, B, A
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Brand
Mercedes-Benz
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Brand
Porsche
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Deutschland
France
Nederland
Great Britain
Sverige
Danmark
Suomi
Italia
Polska
España