VS

Mercedes GLS vs Porsche Cayenne comparison

Compare performance (404 HP vs 1,156 HP), boot space and price (92,700 £ vs 90,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Porsche Cayenne?

Mercedes GLS vs Porsche Cayenne: Key differences

Mercedes GLS

details

Porsche Cayenne

3.2 (3 Reviews)
rate
  • only slightly cheaper
  • clearly more power
  • substantially more efficient
  • substantially quicker 0–100 km/h
  • noticeably lighter
  • substantially more trunk space
details

By Achim Sedelmaier

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

GLS

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.

Porsche Cayenne is only slightly cheaper – starting at 90,200 £ , while the Mercedes GLS costs 92,700 £ . That’s a price difference of around 2,491 £.

Fuel consumption also shows a difference: the Porsche Cayenne uses 4 L/100km and is substantially more efficient than the Mercedes GLS with 7.9 L/100km. The difference is about 3.9 L/100km.

Cayenne

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 Porsche Cayenne offers clearly more power – delivering 1,156 HP compared to 404 HP. That’s roughly 752 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayenne is substantially quicker – completing the sprint in 2.5 s, while the Mercedes GLS takes 5.6 s. That’s about 3.1 s quicker.

There’s also a difference in torque: the Porsche Cayenne delivers clearly more torque with 1,500 Nm compared to 750 Nm. That’s about 750 Nm more.

GLS

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 GLS offers more seats – 7 vs 5.

In terms of curb weight, Porsche Cayenne is noticeably lighter – 2,130 kg compared to 2,580 kg. The difference is around 450 kg.

Looking at boot space, the Porsche Cayenne offers substantially more boot space – 781 L compared to 355 L. That’s a difference of about 426 L.

When it comes to payload, the Mercedes GLS carries a bit more – 820 kg compared to 705 kg. That’s a difference of about 115 kg.

Who wins the race in the data check?

The Porsche Cayenne is clearly superior overall 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 £90,200
Cayenne

Porsche Cayenne

  • Engine Type Petrol, Plugin Hybrid, Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 353 - 1,156 HP
  • Consumption L/100km 4 - 11 L/100km
  • Consumption kWh/100km 18.9 - 20.6 kWh/100km
  • Electric Range 74 - 668 km
details

Frequently compared as well

BYD Seal U
Porsche Cayenne
VS
Put simply: the BYD Seal U is a slick, value-packed electric newcomer that trades brand pedigree for cutting-edge tech, impressive range and a price that makes you rethink running on petrol, while the Porsche Cayenne remains the benchmark for SUV dynamics, luxury and towing practicality with a …
Mercedes GLE
Porsche Cayenne
VS
In the battle of luxury SUVs, the Mercedes GLE stands out with its plush interior and advanced technology, making it an exceptional choice for those who prioritize comfort and features. On the other hand, the Porsche Cayenne delivers a sportier driving experience with its responsive handling and …
Mercedes GLS
Porsche Cayenne

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

details
19C0481_004
19C0481_007
19C0483_036
19C0480_047
18C1072_111

Reviews Mercedes GLS

No reviews yet. Share your experience and help others decide.

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.

details
P17_0701
P17_0780
P17_0777
P17_0776
P17_0784

Reviews Porsche Cayenne

3.2 (3 Reviews)
rate

No reviews yet. Share your experience and help others decide.

Frequently compared as well

Porsche Cayenne
Porsche Panamera
VS
The Porsche Cayenne and the Porsche Panamera represent two distinct approaches within the luxury performance car segment. The Cayenne, with its robust SUV build, offers ample space and off-road capabilities without compromising on Porsche's signature agility and power. Meanwhile, the Panamera …
Jaguar F-Pace
Porsche Cayenne
VS
In the luxury SUV segment, the F-Pace and Cayenne each bring their unique flair and performance pedigree, making for an intriguing comparison. The Jaguar F-Pace impresses with its sleek design and agile handling, offering a slightly more spirited drive. Meanwhile, the Porsche Cayenne stands out …
Land Rover Defender
Porsche Cayenne
VS
Land Rover Defender and Porsche Cayenne go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Land Rover …
Bentley Bentayga
Porsche Cayenne
VS
Bentley Bentayga and Porsche Cayenne go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Bentley Bentayga …
Mercedes G-Class
Mercedes GLS
VS
In the world of luxury SUVs, the Mercedes G-Klasse, with its iconic boxy design and legendary off-road capabilities, stands in stark contrast to the elegant and spacious Mercedes GLS, often dubbed the "S-Class of SUVs." The G-Klasse appeals to adventure seekers and those who appreciate a rugged …
Mercedes GLS
Volvo XC90
VS
In the battle of luxury SUVs, the Mercedes GLS stands out with its opulent interior and cutting-edge technology, offering a serene driving experience and impressive space for the entire family. Meanwhile, the Volvo XC90 impresses with its safety features and minimalist Scandinavian design, making …
Mercedes GLS
Land Rover Defender
VS
Mercedes GLS and Land Rover Defender go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Mercedes GLS or …
Peugeot Boxer
Porsche Cayenne
VS
Peugeot Boxer and Porsche Cayenne go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Peugeot Boxer or the …
Mercedes GLS
Porsche Cayenne

Costs and Consumption
Price
92,700 - 104,600 £
Price
90,200 - 144,400 £
Consumption L/100km
7.9 - 9.9 L/100km
Consumption L/100km
4 - 11 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
18.9 - 20.6 kWh/100km
Electric Range
-
Electric Range
74 - 668 km
Battery Capacity
-
Battery Capacity
-
co2
206 - 226 g/km
co2
0 - 249 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
7
Seats
4 - 5
Doors
-
Doors
-
Curb weight
2,580 - 2,670 kg
Curb weight
2,130 - 2,725 kg
Trunk capacity
355 L
Trunk capacity
434 - 781 L
Length
-
Length
-
Width
1,956 mm
Width
1,980 - 1,983 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
810 - 820 kg
Payload
525 - 705 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol, Plugin Hybrid, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
336 - 404 HP
Power HP
353 - 1,156 HP
Acceleration 0-100km/h
5.6 - 6.2 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
-
Torque
560 - 750 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
6
Number of Cylinders
6
Power kW
247 - 297 kW
Power kW
260 - 850 kW
Engine capacity
2,989 - 2,999 cm3
Engine capacity
2,995 cm3

General
Model Year
2026
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G, B, A
Brand
Mercedes-Benz
Brand
Porsche
Is the Mercedes GLS offered with different drivetrains?

The Mercedes GLS 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.