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BMW iX3 vs Porsche Cayman – Which car suits you better?

Both models have their strengths – but which one suits you more?
Compare performance, efficiency, price and space directly: BMW iX3 or Porsche Cayman?

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

iX3 @ BMW Group Press

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 has a clearly advantage in terms of price – it starts at 59100 £, while the Porsche Cayman costs 136000 £. That’s a price difference of around 76971 £.

iX3 @ BMW Group Press

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 has a slight edge – offering 500 HP compared to 469 HP. That’s roughly 31 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche Cayman is decisively quicker – completing the sprint in 3.40 s, while the BMW iX3 takes 4.90 s. That’s about 1.50 s faster.

In terms of top speed, the Porsche Cayman performs clearly perceptible better – reaching 315 km/h, while the BMW iX3 tops out at 210 km/h. The difference is around 105 km/h.

There’s also a difference in torque: BMW iX3 pulls evident stronger with 645 Nm compared to 450 Nm. That’s about 195 Nm difference.

iX3 @ BMW Group Press

Space and Everyday Use:

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

Seats: BMW iX3 offers significantly more seating capacity – 5 vs 2.

In curb weight, Porsche Cayman is clearly lighter – 1490 kg compared to 2360 kg. The difference is around 870 kg.

In terms of boot space, the BMW iX3 offers decisively more room – 520 L compared to 184 L. That’s a difference of about 336 L.

In maximum load capacity, the BMW iX3 performs decisively better – up to 1750 L, which is about 1478 L more than the Porsche Cayman.

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

Who wins the race?

The BMW iX3 proves to be outperforms in nearly all aspects and therefore becomes our DriveDuel Champion!
BMW iX3 is the better all-rounder in this comparison.

from about £59,100
iX3 @ BMW Group Press

BMW iX3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 469 HP
  • Consumption kWh/100km : 15.10 kWh
  • Electric Range : 805 km

BMW iX3

5 (1)
rate

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.

details

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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BMW iX3
Porsche Cayman
iX3 @ BMW Group Press

Costs and Consumption

Price
59100 - 64600 £
Price
136000 £
Consumption L/100km
-
Consumption L/100km
13 L
Consumption kWh/100km
15.10 kWh
Consumption kWh/100km
-
Electric Range
805 km
Electric Range
-
Battery Capacity
108.70 kWh
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
5
Doors
2
Curb weight
2360 kg
Curb weight
1490 kg
Trunk capacity
520 L
Trunk capacity
184 L
Length
4782 mm
Length
4456 mm
Width
1895 mm
Width
1822 mm
Height
1635 mm
Height
1267 mm
Max trunk capacity
1750 L
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
4.90 s
Acceleration 0-100km/h
3.40 s
Max Speed
210 km/h
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
3996 cm3

General

Model Year
2026
Model Year
2021
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
BMW
Brand
Porsche
What drive types are available for the BMW iX3?

The BMW iX3 is available as All-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.