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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

3.2 (3 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

iX3

Overview: BMW iX3 vs Porsche Cayenne — two very different takes on the premium SUV

BMW iX3 and Porsche Cayenne sit in the same premium SUV territory but aim at different buyers: the iX3 is a purposeful electric long‑distance machine, the Cayenne is the sporting, tactile benchmark. The iX3 feels engineered for low running costs, quiet cruising and fast charging stops to stretch a trip comfortably, while the Cayenne sells the tactile joy of steering, seat comfort and material quality. Their characters diverge — one emphasizes efficiency and assistance tech, the other emphasizes steering fidelity and traditional luxury. Choosing between them is less about spec sheets and more about whether you want a modern electric commuter that organizes your travel or a more conventional luxury SUV that rewards active driving and craftsmanship.

Cayenne

Character and driving feel

The BMW iX3 arrives with an electric calm: instant, linear thrust, a composed chassis and a steering balance that surprises for an EV, so cornering feels measured rather than theatrical. The Porsche Cayenne, by contrast, communicates more directly through the wheel and brakes, rewarding drivers who like to place the car on a line and feel immediate response from inputs. On routine roads the iX3 masks speed and soothes passengers, while the Cayenne makes even quiet journeys feel slightly more engaged and purposeful. That means the iX3 suits drivers who prefer serene, efficient progress; the Cayenne suits those who want their SUV to behave like a big sports car when asked.

iX3

Comfort and long‑distance behavior

For motorway miles the BMW iX3 is notably hushed and refined, with assistance systems that reduce fatigue on long runs and a charging profile that makes stops short and predictable. The Porsche Cayenne matches or exceeds that comfort through excellent seats and optional air suspension that keep body motions in check, but its firmer wheel/tire setups can transmit more surface texture at times. In practice the iX3 lets you cover long distances with a quieter cabin and fewer long refuelling breaks, whereas the Cayenne offers a slightly more planted, traditional luxury-sedan feel that can feel more natural to drivers used to performance cars. If your trips are about relaxed efficiency, the iX3 will feel like a natural fit; if your trips demand a little more physical feedback and first‑class seating, the Cayenne will read as more premium.

Cayenne

Cabin usability and perceived quality

The iX3 presents a forward‑leaning cockpit: bold displays, a panoramic vision concept and heavy reliance on voice and touch control that looks modern but demands a learning curve and some compromises in tactile convenience. The Cayenne keeps the tactile, durable luxury that buyers expect from the badge — superior surface finishes and switchgear that feel solid underhand — yet it too has moved toward capacitive controls that can frustrate users wanting obvious physical buttons. In everyday use the BMW feels contemporary and slightly clinical, while the Porsche feels richer and more grounded, even if you’ll still be tempted to add options to get every desired feature. That trade‑off is simple: choose interface innovation and digital convenience with the iX3, or choose familiar haptics and perceived quality with the Cayenne.

iX3

Practicality and family usability

Both cars are family‑capable, but they approach practicality differently: the BMW iX3 gives a roomy rear with a flat floor, a clever frunk and cargo tricks aimed at long trips and towing, while the Cayenne offers a highly usable boot and a sliding rear seat (on ICE variants) that adds day‑to‑day flexibility. The Cayenne’s PHEV variants complicate that picture — you get quieter electric city runs but a smaller usable boot and a higher load floor, so families who need unabated luggage space may prefer non‑hybrid Cayenne setups or the iX3’s consistent cargo layout. Small practical annoyances differ too: the iX3 leaves some latches and folding operations less convenient, whereas the Cayenne hides costs in expensive option packs that can be needed to get the practical bits you expect. Ultimately, families wanting predictable EV range and clever storage lean to the iX3; those wanting adjustable space and traditional trunk ergonomics tend toward the Cayenne, provided they budget for options.

Cayenne

Who each car suits — buyer fit and decision cues before the numbers

If you prioritise quiet long runs, high real‑world efficiency and rapid charging that shortens travel stops, the BMW iX3 will feel purpose‑built for your life and wallet. If you prioritise steering feel, seat comfort, material solidity and a car that feels more like a sports sedan in an SUV body, the Porsche Cayenne will hit those emotional buttons even if the price climbs quickly with options. Cost sensitivity, charging access and driving style are decisive: city or motorway E‑minded drivers with access to chargers will appreciate the iX3’s strengths, while performance‑leaning buyers who value tactile luxury and handling will prefer the Cayenne. With those buyer instincts clear, the technical comparison that follows will help quantify the trade‑offs you already feel in the cabin and on the road.

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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 18.9 kWh/100km for the Porsche Cayenne. That’s a difference of about 4.3 kWh/100km.

As for electric range, the BMW iX3 offers slightly more range – reaching up to 805 km, about 137 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 18.9 - 20.6 kWh/100km
  • Electric Range 74 - 668 km
details
BMW iX3
Porsche Cayenne

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW iX3

The BMW iX3 is an electric SUV that delivers the composed, premium driving experience BMW buyers expect. With a calm, refined cabin and practical everyday usability, it’s a strong choice for those who want electric motoring without giving up luxury and comfort.

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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
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.

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Porsche Cayenne

Costs and Consumption
Price
54,300 - 66,300 £
Price
90,200 - 144,400 £
Consumption L/100km
-
Consumption L/100km
4 - 11 L/100km
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Consumption kWh/100km
18.9 - 20.6 kWh/100km
Electric Range
635 - 805 km
Electric Range
74 - 668 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 - 2,725 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
525 - 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.