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BMW i7 vs Porsche Cayenne comparison

Compare performance (659 HP vs 1,156 HP), boot space and price (99,300 £ vs 90,200 £ ) at a glance. Find out which car is the better choice for you – BMW i7 or Porsche Cayenne?

BMW i7 vs Porsche Cayenne: Key differences

BMW i7

  • very slightly more efficient
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Porsche Cayenne

3.2 (3 Reviews)
rate
  • somewhat cheaper
  • substantially more power
  • marginally more electric range
  • clearly quicker 0–100 km/h
  • visibly lighter
  • noticeably more trunk space
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By Achim Sedelmaier

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

i7

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Porsche Cayenne is somewhat cheaper – starting at 90,200 £ , while the BMW i7 costs 99,300 £ . That’s a price difference of around 9,171 £.

In terms of energy consumption, the BMW i7 is very slightly more efficient: consuming 18.5 kWh/100km compared to 18.9 kWh/100km for the Porsche Cayenne. That’s a difference of about 0.4 kWh/100km.

As for electric range, the Porsche Cayenne offers marginally more range – reaching up to 668 km, about 44 km more than the BMW i7.

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 659 HP. That’s roughly 497 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 i7 takes 3.7 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the Porsche Cayenne delivers visibly more torque with 1,500 Nm compared to 1,100 Nm. That’s about 400 Nm more.

i7

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 visibly lighter – 2,130 kg compared to 2,595 kg. The difference is around 465 kg.

Looking at boot space, the Porsche Cayenne offers noticeably more boot space – 781 L compared to 500 L. That’s a difference of about 281 L.

When it comes to payload, the Porsche Cayenne carries noticeably more – 705 kg compared to 535 kg. That’s a difference of about 170 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
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View detailed analysis

Engine and Performance
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BMW i7

The BMW i7 is a quietly imposing electric limousine that wraps advanced tech and traditional Bavarian comfort in a futuristic skin. For buyers after serene luxury with a mischievous streak, it pampers rear-seat occupants while reminding the driver that BMW still knows how to make a big car feel alive.

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Reviews BMW i7

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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.

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Reviews Porsche Cayenne

3.2 (3 Reviews)
rate

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BMW i7
Porsche Cayenne

Costs and Consumption
Price
99,300 - 157,200 £
Price
90,200 - 144,400 £
Consumption L/100km
-
Consumption L/100km
4 - 11 L/100km
Consumption kWh/100km
18.5 - 20.8 kWh/100km
Consumption kWh/100km
18.9 - 20.6 kWh/100km
Electric Range
559 - 624 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
Sedan
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
-
Doors
-
Curb weight
2,595 - 2,770 kg
Curb weight
2,130 - 2,725 kg
Trunk capacity
500 L
Trunk capacity
434 - 781 L
Length
-
Length
-
Width
1,950 mm
Width
1,980 - 1,983 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 535 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
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
455 - 659 HP
Power HP
353 - 1,156 HP
Acceleration 0-100km/h
3.7 - 5.5 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
-
Torque
650 - 1,100 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
335 - 485 kW
Power kW
260 - 850 kW
Engine capacity
-
Engine capacity
2,995 cm3

General
Model Year
2,022 - 2,023
Model Year
2,025 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
G, B, A
Brand
BMW
Brand
Porsche
Is the BMW i7 offered with different drivetrains?

The BMW i7 is offered with Rear-Wheel Drive or 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.