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BMW 8 Series Coupé vs Porsche Cayenne comparison

Compare performance (625 HP vs 1,156 HP), boot space and price (90,000 £ vs 87,000 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Coupé or Porsche Cayenne?

BMW 8 Series Coupé vs Porsche Cayenne: Key differences

BMW 8 Series Coupé

  • slightly lighter

Porsche Cayenne

3.3 (2 Reviews)
rate
  • only slightly cheaper
  • significantly more power
  • clearly more efficient
  • markedly quicker 0–100 km/h
  • significantly more trunk space

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

8 Series Coupé

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Porsche Cayenne is only slightly cheaper – starting at 87,000 £ , while the BMW 8 Series Coupé costs 90,000 £ . That’s a price difference of around 3,000 £.

Fuel consumption also shows a difference: the Porsche Cayenne uses 4 L/100km and is clearly more efficient than the BMW 8 Series Coupé with 6.7 L/100km. The difference is about 2.7 L/100km.

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 significantly more power – delivering 1,156 HP compared to 625 HP. That’s roughly 531 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayenne is markedly quicker – completing the sprint in 2.5 s, while the BMW 8 Series Coupé takes 3.2 s. That’s about 0.7 s quicker.

Looking at top speed, the Porsche Cayenne is slightly faster – reaching 305 km/h, while the BMW 8 Series Coupé tops out at 250 km/h. The difference is around 55 km/h.

There’s also a difference in torque: the Porsche Cayenne delivers substantially more torque with 1,500 Nm compared to 750 Nm. That’s about 750 Nm more.

8 Series Coupé

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW 8 Series Coupé is slightly lighter – 1,805 kg compared to 2,130 kg. The difference is around 325 kg.

Looking at boot space, the Porsche Cayenne offers significantly more boot space – 781 L compared to 440 L. That’s a difference of about 341 L.

When it comes to payload, the Porsche Cayenne carries clearly more – 705 kg compared to 545 kg. That’s a difference of about 160 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 £87,000
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 - 12.2 L/100km
  • Consumption kWh/100km : 19.7 - 20.6 kWh/100km
  • Electric Range : 74 - 642 km
details

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BMW 8 Series Coupé
Porsche Cayenne

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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Reviews BMW 8 Series Coupé

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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.

details
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BMW 8 Series Coupé
Porsche Cayenne

Costs and Consumption
Price
90,000 - 158,900 £
Price
87,000 - 186,400 £
Consumption L/100km
6.7 - 11.5 L/100km
Consumption L/100km
4 - 12.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
19.7 - 20.6 kWh/100km
Electric Range
-
Electric Range
74 - 642 km
Battery Capacity
-
Battery Capacity
21.8 kWh
co2
176 - 263 g/km
co2
0 - 277 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
70 - 90 L

Dimensions and Body
Body Type
Coupe
Body Type
SUV
Seats
4 - 5
Seats
4 - 5
Doors
2 - 4
Doors
5
Curb weight
1,805 - 2,085 kg
Curb weight
2,130 - 2,720 kg
Trunk capacity
420 - 440 L
Trunk capacity
434 - 781 L
Length
4,851 - 5,098 mm
Length
4,930 mm
Width
1,902 - 1,943 mm
Width
1,980 - 1,989 mm
Height
1,346 - 1,420 mm
Height
1,652 - 1,698 mm
Max trunk capacity
-
Max trunk capacity
1,344 - 1,708 L
Payload
370 - 545 kg
Payload
365 - 705 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
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, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
333 - 625 HP
Power HP
353 - 1,156 HP
Acceleration 0-100km/h
3.2 - 5.4 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
250 km/h
Max Speed
248 - 305 km/h
Torque
500 - 750 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
245 - 460 kW
Power kW
260 - 850 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
2,995 - 3,996 cm3

General
Model Year
2,024
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G, B, C, A
Brand
BMW
Brand
Porsche
What drive types are available for the BMW 8 Series Coupé?

The BMW 8 Series Coupé is offered with 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.