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BMW 8 Series Coupé vs Porsche Cayman - Differences and prices compared

Compare performance (625 HP vs 500 HP), boot space and price (90000 £ vs 136000 £) at a glance. Find out which car is the better choice for you – BMW 8 Series Coupé or Porsche Cayman?

BMW 8 Series Coupé

Porsche Cayman

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

8 Series Coupé

Costs and Efficiency:

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

BMW 8 Series Coupé has a convincingly advantage in terms of price – it starts at 90000 £, while the Porsche Cayman costs 136000 £. That’s a price difference of around 46028 £.

Fuel consumption also shows a difference: BMW 8 Series Coupé manages with 6.70 L and is therefore convincingly more efficient than the Porsche Cayman with 13 L. The difference is about 6.30 L per 100 km.

8 Series Coupé

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BMW 8 Series Coupé has a slightly edge – offering 625 HP compared to 500 HP. That’s roughly 125 HP more horsepower.

In acceleration from 0 to 100 km/h, the BMW 8 Series Coupé is hardly perceptible quicker – completing the sprint in 3.20 s, while the Porsche Cayman takes 3.40 s. That’s about 0.20 s faster.

In terms of top speed, the Porsche Cayman performs evident better – reaching 315 km/h, while the BMW 8 Series Coupé tops out at 250 km/h. The difference is around 65 km/h.

There’s also a difference in torque: BMW 8 Series Coupé pulls evident stronger with 750 Nm compared to 450 Nm. That’s about 300 Nm difference.

8 Series Coupé

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 8 Series Coupé offers decisively more seating capacity – 5 vs 2.

In curb weight, Porsche Cayman is noticeable lighter – 1490 kg compared to 1805 kg. The difference is around 315 kg.

In terms of boot space, the BMW 8 Series Coupé offers clearly more room – 440 L compared to 184 L. That’s a difference of about 256 L.

When it comes to payload, BMW 8 Series Coupé clearly takes the win – 545 kg compared to 281 kg. That’s a difference of about 264 kg.

Who comes out on top?

Overall, the BMW 8 Series Coupé shows itself to be is largely superior and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £90,000
8 Series Coupé

BMW 8 Series Coupé

  • Engine Type : Diesel MHEV, Petrol
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 333 - 625 HP
  • Consumption L/100km : 6.7 - 11.5 L
details
BMW 8 Series Coupé
Porsche Cayman

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 8 Series Coupé

The BMW 8 Series Coupé blends elegant, low-slung coupé looks with a purposeful, athletic stance that hints at both comfort and serious driving fun. Inside it feels indulgent and driver-focused, the sort of car that turns motorway miles into a breeze while quietly daring you to chase a twisty back road — and yes, it photographs magnificently.

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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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Reviews BMW 8 Series Coupé

Reviews Porsche Cayman

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BMW 8 Series Coupé
Porsche Cayman
8 Series Coupé

Costs and Consumption
Price
90000 - 158900 £
Price
136000 £
Consumption L/100km
6.7 - 11.5 L
Consumption L/100km
13 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
176 - 263 g/km
co2
295 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Coupe
Body Type
Coupe
Seats
4 - 5
Seats
2
Doors
2 - 4
Doors
2
Curb weight
1805 - 2085 kg
Curb weight
1490 kg
Trunk capacity
420 - 440 L
Trunk capacity
184 L
Length
4851 - 5098 mm
Length
4456 mm
Width
1902 - 1943 mm
Width
1822 mm
Height
1346 - 1420 mm
Height
1267 mm
Max trunk capacity
-
Max trunk capacity
272 L
Payload
370 - 545 kg
Payload
281 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
333 - 625 HP
Power HP
500 HP
Acceleration 0-100km/h
3.2 - 5.4 s
Acceleration 0-100km/h
3.40 s
Max Speed
250 km/h
Max Speed
315 km/h
Torque
500 - 750 Nm
Torque
450 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6
Power kW
245 - 460 kW
Power kW
368 kW
Engine capacity
2993 - 4395 cm3
Engine capacity
3996 cm3

General
Model Year
2024
Model Year
2021
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
BMW
Brand
Porsche

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Is the BMW 8 Series Coupé offered with different drivetrains?

Available configurations include All-Wheel Drive or Rear-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.