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BMW iX vs Porsche Cayenne comparison

Compare performance (659 HP vs 1156 HP), boot space and price (71600 £ vs 87000 £ ) at a glance. Find out which car is the better choice for you – BMW iX or Porsche Cayenne?

BMW iX vs Porsche Cayenne: Key differences

BMW iX

3.9 (1 Reviews)
rate
  • distinct cheaper
  • a bit more efficient
  • hardly perceptible more electric range

Porsche Cayenne

3.3 (2 Reviews)
rate
  • convincingly more power
  • convincingly quicker from 0–100 km/h
  • to a small extent lighter
  • evident more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

iX

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.

BMW iX has a distinct advantage in terms of price – it starts at 71600 £ , while the Porsche Cayenne costs 87000 £ . That’s a price difference of around 15429 £.

In terms of energy consumption, the advantage goes to the BMW iX: with 17.80 kWh per 100 km, it’s a bit more efficient than the Porsche Cayenne with 19.70 kWh. That’s a difference of about 1.90 kWh.

As for electric range, the BMW iX performs hardly perceptible better – achieving up to 701 km, about 59 km more than the Porsche Cayenne.

Cayenne

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 Porsche Cayenne has a convincingly edge – offering 1156 HP compared to 659 HP. That’s roughly 497 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche Cayenne is convincingly quicker – completing the sprint in 2.50 s, while the BMW iX takes 3.80 s. That’s about 1.30 s faster.

There’s also a difference in torque: Porsche Cayenne pulls distinct stronger with 1500 Nm compared to 1015 Nm. That’s about 485 Nm difference.

iX

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In curb weight, Porsche Cayenne is to a small extent lighter – 2130 kg compared to 2525 kg. The difference is around 395 kg.

In terms of boot space, the Porsche Cayenne offers evident more room – 781 L compared to 500 L. That’s a difference of about 281 L.

When it comes to payload, Porsche Cayenne somewhat takes the win – 705 kg compared to 575 kg. That’s a difference of about 130 kg.

Who wins the race in the data check?

The Porsche Cayenne sits 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.

Frequently compared as well

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BMW iX
Porsche Cayenne

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £87,000
Cayenne

Porsche Cayenne

  • Engine Type : Petrol, Plugin Hybrid, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 353 - 1156 HP
  • Consumption L/100km : 4 - 12.2 L
  • Consumption kWh/100km : 19.7 - 20.6 kWh
  • Electric Range : 74 - 642 km
details

BMW iX

3.9 (1 Reviews)
rate

The BMW iX arrives like a tech-rich luxury SUV that refuses to shout, offering a serene yet authoritative road presence that suits both city commutes and long-distance cruising. Inside, its minimalist cabin wraps high-quality materials and clever interfaces around a driver-focused layout, making it feel more like a forward-thinking lounge than just another electric appliance — and yes, it still delivers the dynamic driving character you'd expect from a BMW.

details
P90464063_highRes_bmw-ix-m60-05-2022
P90464066_highRes_bmw-ix-m60-05-2022
P90464060_highRes_bmw-ix-m60-05-2022
P90437446_highRes_the-first-ever-bmw-i
P90437462_highRes_the-first-ever-bmw-i

Porsche Cayenne

3.3 (2 Reviews)
rate

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 BMW iX

3.9 (1 Reviews)
rate
Massimiliano La Vignma
5 Feb 2026, 13:42:39

Innovative, with generous interior space but at the expense of the boot. I have an M60 — strong acceleration and excellent self-charging, especially on the motorway.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Reviews Porsche Cayenne

3.3 (2 Reviews)
rate
BMW iX
Porsche Cayenne

Costs and Consumption
Price
71600 - 108400 £
Price
87000 - 186400 £
Consumption L/100km
-
Consumption L/100km
4 - 12.2 L
Consumption kWh/100km
17.8 - 20.6 kWh
Consumption kWh/100km
19.7 - 20.6 kWh
Electric Range
600 - 701 km
Electric Range
74 - 642 km
Battery Capacity
-
Battery Capacity
21.80 kWh
co2
0 g/km
co2
0 - 277 g/km
Fuel tank capacity
-
Fuel tank capacity
70 - 90 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
-
Doors
5
Curb weight
2525 - 2655 kg
Curb weight
2130 - 2720 kg
Trunk capacity
500 L
Trunk capacity
434 - 781 L
Length
-
Length
4930 mm
Width
1970 mm
Width
1980 - 1989 mm
Height
-
Height
1652 - 1698 mm
Max trunk capacity
-
Max trunk capacity
1344 - 1708 L
Payload
505 - 575 kg
Payload
365 - 705 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol, Plugin Hybrid, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
408 - 659 HP
Power HP
353 - 1156 HP
Acceleration 0-100km/h
3.8 - 5.1 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
248 - 305 km/h
Torque
700 - 1015 Nm
Torque
500 - 1500 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
300 - 485 kW
Power kW
260 - 850 kW
Engine capacity
-
Engine capacity
2995 - 3996 cm3

General
Model Year
2025
Model Year
2025 - 2026
CO2 Efficiency Class
A
CO2 Efficiency Class
G, B, C, A
Brand
BMW
Brand
Porsche

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Is the BMW iX offered with different drivetrains?

The BMW iX is offered with All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.