@ BMW Group Press
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BMW i7 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 i7 or Porsche Cayman?

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

i7 @ BMW Group Press

Costs and Efficiency:

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

BMW i7 has a distinct advantage in terms of price – it starts at 99200 £, while the Porsche Cayman costs 136000 £. That’s a price difference of around 36857 £.

i7 @ 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 BMW i7 has a evident edge – offering 659 HP compared to 500 HP. That’s roughly 159 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche Cayman is barely noticeable quicker – completing the sprint in 3.40 s, while the BMW i7 takes 3.70 s. That’s about 0.30 s faster.

In terms of top speed, the Porsche Cayman performs evident better – reaching 315 km/h, while the BMW i7 tops out at 250 km/h. The difference is around 65 km/h.

There’s also a difference in torque: BMW i7 pulls significantly stronger with 1100 Nm compared to 450 Nm. That’s about 650 Nm difference.

i7 @ BMW Group Press

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: BMW i7 offers decisively more seating capacity – 5 vs 2.

In curb weight, Porsche Cayman is clearly lighter – 1490 kg compared to 2595 kg. The difference is around 1105 kg.

In terms of boot space, the BMW i7 offers convincingly more room – 500 L compared to 184 L. That’s a difference of about 316 L.

When it comes to payload, BMW i7 clearly takes the win – 535 kg compared to 281 kg. That’s a difference of about 254 kg.

Who wins the race?

The BMW i7 proves to be dominates this comparison and therefore becomes our DriveDuel Champion!
BMW i7 is the better all-rounder in this comparison.

from about £99,200
i7 @ BMW Group Press

BMW i7

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 455 - 659 HP
  • Consumption kWh/100km : 18.5 - 20.8 kWh
  • Electric Range : 559 - 624 km
details

BMW i7

The new BMW i7 epitomises luxury and innovation, seamlessly blending advanced technology with elegant design. Its interior offers an unparalleled experience, with premium materials and cutting-edge features that create a tranquil yet engaging atmosphere for both driver and passengers. The i7's performance is both dynamic and efficient, demonstrating BMW's commitment to sustainable driving without compromising on the exhilarating drive the brand is known for.

details
P90458208_highRes_the-new-bmw-i7-xdriv @ BMW Group Press
P90458209_highRes_the-new-bmw-i7-xdriv @ BMW Group Press
P90458213_highRes_the-new-bmw-760i-xdr @ BMW Group Press
P90458219_highRes_the-new-bmw-760i-xdr @ BMW Group Press

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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i7 @ BMW Group Press

Costs and Consumption
Price
99200 - 157000 £
Price
136000 £
Consumption L/100km
-
Consumption L/100km
13 L
Consumption kWh/100km
18.5 - 20.8 kWh
Consumption kWh/100km
-
Electric Range
559 - 624 km
Electric Range
-
Battery Capacity
101.70 kWh
Battery Capacity
-
co2
0 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
2
Doors
4
Doors
2
Curb weight
2595 - 2770 kg
Curb weight
1490 kg
Trunk capacity
500 L
Trunk capacity
184 L
Length
5391 mm
Length
4456 mm
Width
1950 mm
Width
1822 mm
Height
1544 mm
Height
1267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
480 - 535 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
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
455 - 659 HP
Power HP
500 HP
Acceleration 0-100km/h
3.7 - 5.5 s
Acceleration 0-100km/h
3.40 s
Max Speed
205 - 250 km/h
Max Speed
315 km/h
Torque
650 - 1100 Nm
Torque
450 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
335 - 485 kW
Power kW
368 kW
Engine capacity
-
Engine capacity
3996 cm3

General
Model Year
2022 - 2023
Model Year
2021
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
BMW
Brand
Porsche

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Is the BMW i7 offered with different drivetrains?

Available configurations include Rear-Wheel Drive or 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.