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BMW iX3 vs Porsche Cayenne comparison

Compare performance (469 HP vs 1,156 HP), boot space and price (54,300 £ vs 90,200 £ ) at a glance. Find out which car is the better choice for you – BMW iX3 or Porsche Cayenne?

BMW iX3 vs Porsche Cayenne: Key differences

BMW iX3

4.6 (4 Reviews)
rate
  • substantially cheaper
  • clearly more efficient
  • slightly more electric range
details

Porsche Cayenne

3.3 (2 Reviews)
rate
  • substantially more power
  • clearly quicker 0–100 km/h
  • slightly lighter
details

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

By Achim Sedelmaier

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

iX3

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.

BMW iX3 is substantially cheaper – starting at 54,300 £ , while the Porsche Cayenne costs 90,200 £ . That’s a price difference of around 35,829 £.

In terms of energy consumption, the BMW iX3 is clearly more efficient: consuming 14.6 kWh/100km compared to 19.5 kWh/100km for the Porsche Cayenne. That’s a difference of about 4.9 kWh/100km.

As for electric range, the BMW iX3 offers slightly more range – reaching up to 805 km, about 154 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 offers substantially more power – delivering 1,156 HP compared to 469 HP. That’s roughly 687 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayenne is clearly quicker – completing the sprint in 2.5 s, while the BMW iX3 takes 4.9 s. That’s about 2.4 s quicker.

There’s also a difference in torque: the Porsche Cayenne delivers clearly more torque with 1,500 Nm compared to 645 Nm. That’s about 855 Nm more.

iX3

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 terms of curb weight, Porsche Cayenne is slightly lighter – 2,130 kg compared to 2,360 kg. The difference is around 230 kg.

When it comes to payload, the Porsche Cayenne carries markedly more – 705 kg compared to 465 kg. That’s a difference of about 240 kg.

Who wins the race in the data check?

The Porsche Cayenne holds a decisive overall lead 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 : 19.5 - 20.6 kWh/100km
  • Electric Range : 74 - 651 km
details

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Engine and Performance
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BMW iX3

The BMW iX3 brings BMW's familiar SUV poise into the electric era, blending restrained styling and a comfortable, composed ride that will please traditionalists dipping their toes into electrification. It's quiet, practical and rather grown-up about going electric — a sensible choice for buyers who want BMW driving manners without the drama.

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Reviews BMW iX3

4.6 (4 Reviews)
rate
Johan
20 Sept 2025, 16:15:37

Nice range, fast charging and… bidirectional charging!!

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
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Reviews Porsche Cayenne

3.3 (2 Reviews)
rate

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

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BMW iX3
Porsche Cayenne

Costs and Consumption
Price
54,300 - 66,300 £
Price
90,200 - 141,900 £
Consumption L/100km
-
Consumption L/100km
4 - 11 L/100km
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Consumption kWh/100km
19.5 - 20.6 kWh/100km
Electric Range
635 - 805 km
Electric Range
74 - 651 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 - 249 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
-
Doors
-
Curb weight
2,360 kg
Curb weight
2,130 - 2,720 kg
Trunk capacity
-
Trunk capacity
434 - 781 L
Length
-
Length
-
Width
1,895 mm
Width
1,980 - 1,983 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
465 kg
Payload
550 - 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, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
320 - 469 HP
Power HP
353 - 1,156 HP
Acceleration 0-100km/h
4.9 - 5.9 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
-
Torque
500 - 645 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
235 - 345 kW
Power kW
260 - 850 kW
Engine capacity
-
Engine capacity
2,995 cm3

General
Model Year
2026
Model Year
2,025 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
G, B, A
Brand
BMW
Brand
Porsche
What drive types are available for the BMW iX3?

Available configurations include All-Wheel Drive or Rear-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.