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BMW X3 vs Porsche Cayenne comparison

Compare performance (398 HP vs 1,156 HP), boot space and price (51,700 £ vs 90,200 £ ) at a glance. Find out which car is the better choice for you – BMW X3 or Porsche Cayenne?

BMW X3 vs Porsche Cayenne: Key differences

BMW X3

4.6 (1 Reviews)
rate
  • considerably cheaper
  • substantially more efficient
  • a bit lighter
details

Porsche Cayenne

3.3 (2 Reviews)
rate
  • clearly more power
  • clearly more electric range
  • substantially quicker 0–100 km/h
  • visibly more trunk space
details

By Achim Sedelmaier

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

X3

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 X3 is considerably cheaper – starting at 51,700 £ , while the Porsche Cayenne costs 90,200 £ . That’s a price difference of around 38,486 £.

Fuel consumption also shows a difference: the BMW X3 uses 2.8 L/100km and is substantially more efficient than the Porsche Cayenne with 4 L/100km. The difference is about 1.2 L/100km.

As for electric range, the Porsche Cayenne offers clearly more range – reaching up to 668 km, about 580 km more than the BMW X3.

Cayenne

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 Cayenne offers clearly more power – delivering 1,156 HP compared to 398 HP. That’s roughly 758 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayenne is substantially quicker – completing the sprint in 2.5 s, while the BMW X3 takes 4.6 s. That’s about 2.1 s quicker.

There’s also a difference in torque: the Porsche Cayenne delivers substantially more torque with 1,500 Nm compared to 670 Nm. That’s about 830 Nm more.

X3

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW X3 is a bit lighter – 1,930 kg compared to 2,130 kg. The difference is around 200 kg.

Looking at boot space, the Porsche Cayenne offers visibly more boot space – 781 L compared to 570 L. That’s a difference of about 211 L.

When it comes to payload, the Porsche Cayenne carries moderately more – 705 kg compared to 570 kg. That’s a difference of about 135 kg.

Who wins the race in the data check?

The Porsche Cayenne is clearly superior overall 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
BMW X3
Porsche Cayenne

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW X3

The BMW X3 mixes Bavarian poise with everyday practicality, delivering a composed ride and a cabin that feels both premium and lived-in. It’s the sort of SUV that lets you enjoy sporty handling without sacrificing family-friendly space, so you get fun and sense in one neat package.

details

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
BMW X3
Porsche Cayenne

Costs and Consumption

Price
51,700 - 73,000 £
Price
90,200 - 144,400 £
Consumption L/100km
2.8 - 7.7 L/100km
Consumption L/100km
4 - 11 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
18.9 - 20.6 kWh/100km
Electric Range
88 km
Electric Range
74 - 668 km
Battery Capacity
-
Battery Capacity
-
co2
64 - 175 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
1,930 - 2,140 kg
Curb weight
2,130 - 2,725 kg
Trunk capacity
460 - 570 L
Trunk capacity
434 - 781 L
Length
-
Length
-
Width
1,920 mm
Width
1,980 - 1,983 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
570 kg
Payload
525 - 705 kg

Engine and Performance

Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol, Plugin Hybrid, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
197 - 398 HP
Power HP
353 - 1,156 HP
Acceleration 0-100km/h
4.6 - 7.8 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
-
Torque
330 - 670 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6
Power kW
145 - 293 kW
Power kW
260 - 850 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
2,995 cm3

General

Model Year
2,024 - 2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
F, E, B
CO2 Efficiency Class
G, B, A
Brand
BMW
Brand
Porsche
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.