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BMW iX3 vs Porsche Cayman comparison

Compare performance (469 HP vs 500 HP), boot space and price (60,800 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – BMW iX3 or Porsche Cayman?

BMW iX3 vs Porsche Cayman: Key differences

BMW iX3

4.7 (2 Reviews)
rate
  • considerably cheaper

Porsche Cayman

  • barely more power
  • significantly quicker 0–100 km/h
  • significantly lighter

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

iX3

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 iX3 is considerably cheaper – starting at 60,800 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 75,257 £.

Cayman

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 Cayman offers barely more power – delivering 500 HP compared to 469 HP. That’s roughly 31 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is significantly quicker – completing the sprint in 3.4 s, while the BMW iX3 takes 4.9 s. That’s about 1.5 s quicker.

There’s also a difference in torque: the BMW iX3 delivers visibly more torque with 645 Nm compared to 450 Nm. That’s about 195 Nm more.

iX3

Space and Everyday Use:

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

Seats: BMW iX3 offers more seats – 5 vs 2.

In terms of curb weight, Porsche Cayman is significantly lighter – 1,490 kg compared to 2,360 kg. The difference is around 870 kg.

When it comes to payload, the BMW iX3 carries clearly more – 465 kg compared to 281 kg. That’s a difference of about 184 kg.

Who wins the race in the data check?

The BMW iX3 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 £60,800
iX3

BMW iX3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 469 HP
  • Consumption kWh/100km : 15.1 kWh/100km
  • Electric Range : 805 km
details

Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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P90626566_lowRes_the-new-bmw-ix3-50-x

Reviews BMW iX3

4.7 (2 Reviews)
rate
Johan
20 Sept 2025, 16:15:37

Nice range, fast charging and… bidirectional charging!!

Porsche Cayman

The Porsche Cayman stands out as a quintessential sports car, blending sleek design with dynamic handling. Its mid-engine layout provides an excellent balance and sharp agility that driving enthusiasts crave. Inside, the Cayman offers a refined and driver-focused interior, ensuring that every journey is an exhilarating experience.

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Reviews Porsche Cayman

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

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BMW iX3
Porsche Cayman

Costs and Consumption
Price
60,800 - 66,300 £
Price
136,000 £
Consumption L/100km
-
Consumption L/100km
13 L/100km
Consumption kWh/100km
15.1 kWh/100km
Consumption kWh/100km
-
Electric Range
805 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
2
Curb weight
2,360 kg
Curb weight
1,490 kg
Trunk capacity
-
Trunk capacity
184 L
Length
-
Length
4,456 mm
Width
1,895 mm
Width
1,822 mm
Height
-
Height
1,267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
465 kg
Payload
281 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
469 HP
Power HP
500 HP
Acceleration 0-100km/h
4.9 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
315 km/h
Torque
645 Nm
Torque
450 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
345 kW
Power kW
368 kW
Engine capacity
-
Engine capacity
3,996 cm3

General
Model Year
2,026
Model Year
2,021
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
BMW
Brand
Porsche
What drive types are available for the BMW iX3?

Available configurations include 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.