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Mercedes S Class vs Porsche Cayenne - Differences and prices compared

Compare performance (802 HP vs 739 HP), boot space and price (97200 £ vs 87000 £) at a glance. Find out which car is the better choice for you – Mercedes S Class or Porsche Cayenne?

Mercedes S Class

Porsche Cayenne

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

S Class @ Mercedes-Benz Group Media

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.

Porsche Cayenne has a somewhat advantage in terms of price – it starts at 87000 £, while the Mercedes S Class costs 97200 £. That’s a price difference of around 10170 £.

Fuel consumption also shows a difference: Mercedes S Class manages with 2.30 L and is therefore clearly more efficient than the Porsche Cayenne with 4 L. The difference is about 1.70 L per 100 km.

As for range, the Mercedes S Class performs evident better – achieving up to 117 km, about 34 km more than the Porsche Cayenne.

Cayenne @ Dr. Ing. h.c. F. Porsche AG

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes S Class has a slight edge – offering 802 HP compared to 739 HP. That’s roughly 63 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes S Class is barely noticeable quicker – completing the sprint in 3.30 s, while the Porsche Cayenne takes 3.60 s. That’s about 0.30 s faster.

In terms of top speed, the Porsche Cayenne performs to a small extent better – reaching 305 km/h, while the Mercedes S Class tops out at 250 km/h. The difference is around 55 km/h.

There’s also a difference in torque: Mercedes S Class pulls evident stronger with 1430 Nm compared to 950 Nm. That’s about 480 Nm difference.

S Class @ Mercedes-Benz Group Media

Space and Everyday Use:

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

Seats: offers more seating capacity – vs .

In curb weight, Mercedes S Class is minimal lighter – 2070 kg compared to 2130 kg. The difference is around 60 kg.

In terms of boot space, the Porsche Cayenne offers evident more room – 772 L compared to 550 L. That’s a difference of about 222 L.

When it comes to payload, Mercedes S Class hardly perceptible takes the win – 730 kg compared to 705 kg. That’s a difference of about 25 kg.

Who comes out on top?

Overall, the Mercedes S Class shows itself to be dominates this comparison and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £97,200
S Class @ Mercedes-Benz Group Media

Mercedes S Class

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 336 - 802 HP
  • Consumption L/100km : 2.3 - 13.2 L
  • Electric Range : 31 - 117 km
details
Mercedes S Class
Porsche Cayenne

Costs and Consumption
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Engine and Performance
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Dimensions and Body
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Mercedes S Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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21C0613_043 @ Mercedes-Benz Group Media

Porsche Cayenne

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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Reviews Mercedes S Class

Reviews Porsche Cayenne

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Mercedes S Class
Porsche Cayenne
S Class @ Mercedes-Benz Group Media
Cayenne @ Dr. Ing. h.c. F. Porsche AG

Costs and Consumption
Price
97200 - 204400 £
Price
87000 - 186400 £
Consumption L/100km
2.3 - 13.2 L
Consumption L/100km
4 - 12.2 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
31 - 117 km
Electric Range
74 - 83 km
Battery Capacity
10.40 kWh
Battery Capacity
21.80 kWh
co2
52 - 301 g/km
co2
90 - 277 g/km
Fuel tank capacity
65 - 76 L
Fuel tank capacity
70 - 90 L

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
4
Doors
5
Curb weight
2070 - 2650 kg
Curb weight
2130 - 2670 kg
Trunk capacity
325 - 550 L
Trunk capacity
434 - 772 L
Length
5179 - 5469 mm
Length
4930 mm
Width
1921 - 1954 mm
Width
1983 - 1989 mm
Height
1503 - 1515 mm
Height
1652 - 1698 mm
Max trunk capacity
-
Max trunk capacity
1344 - 1708 L
Payload
420 - 730 kg
Payload
365 - 705 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid, Diesel MHEV
Engine Type
Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
336 - 802 HP
Power HP
353 - 739 HP
Acceleration 0-100km/h
3.3 - 5.9 s
Acceleration 0-100km/h
3.6 - 6 s
Max Speed
250 km/h
Max Speed
248 - 305 km/h
Torque
500 - 1430 Nm
Torque
500 - 950 Nm
Number of Cylinders
6 - 12
Number of Cylinders
6 - 8
Power kW
247 - 590 kW
Power kW
260 - 544 kW
Engine capacity
2989 - 5980 cm3
Engine capacity
2995 - 3996 cm3

General
Model Year
2024 - 2025
Model Year
2025
CO2 Efficiency Class
G, E, F, B
CO2 Efficiency Class
G, B, C
Brand
Mercedes-Benz
Brand
Porsche

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What drive types are available for the Mercedes S Class?

The Mercedes S Class is available as All-Wheel Drive or Rear-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.