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Audi Q8 vs Porsche Cayenne - Differences and prices compared

Compare performance (640 HP vs 1156 HP), boot space and price (77300 £ vs 87000 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Porsche Cayenne?

Audi Q8

Porsche Cayenne

1.9 (1 Reviews)
rate

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

Q8

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.

Audi Q8 has a to a small extent advantage in terms of price – it starts at 77300 £ , while the Porsche Cayenne costs 87000 £ . That’s a price difference of around 9686 £.

Fuel consumption also shows a difference: Audi Q8 manages with 3.90 L and is therefore barely noticeable more efficient than the Porsche Cayenne with 4 L. The difference is about 0.10 L per 100 km.

As for electric range, the Porsche Cayenne performs convincingly better – achieving up to 642 km, about 562 km more than the Audi Q8.

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 has a decisively edge – offering 1156 HP compared to 640 HP. That’s roughly 516 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche Cayenne is clearly quicker – completing the sprint in 2.50 s, while the Audi Q8 takes 3.60 s. That’s about 1.10 s faster.

There’s also a difference in torque: Porsche Cayenne pulls convincingly stronger with 1500 Nm compared to 850 Nm. That’s about 650 Nm difference.

Q8

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 curb weight, Porsche Cayenne is barely noticeable lighter – 2130 kg compared to 2175 kg. The difference is around 45 kg.

In terms of boot space, the Porsche Cayenne offers evident more room – 781 L compared to 605 L. That’s a difference of about 176 L.

When it comes to payload, Porsche Cayenne barely noticeable takes the win – 705 kg compared to 665 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The Porsche Cayenne holds a decisive overall lead 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.

Audi Q8
Porsche Cayenne

Costs and Consumption

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Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis
from about £87,000
Cayenne

Porsche Cayenne

  • Engine Type : Petrol, Plugin Hybrid, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 353 - 1156 HP
  • Consumption L/100km : 4 - 12.2 L
  • Consumption kWh/100km : 19.7 - 20.6 kWh
  • Electric Range : 74 - 642 km

Audi Q8

The Audi Q8 wraps coupe-like flair around a burly SUV stance, serving up a cabin dressed in premium materials and smart tech that puts comfort and swagger front and center. It’s composed and comfortable on long runs yet happy to play when asked, making it a tempting choice for buyers who want head-turning looks without surrendering everyday practicality.

details

Porsche Cayenne

1.9 (1 Reviews)
rate

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
Audi Q8
Porsche Cayenne

Costs and Consumption

Price
77300 - 137100 £
Price
87000 - 186400 £
Consumption L/100km
3.9 - 13.1 L
Consumption L/100km
4 - 12.2 L
Consumption kWh/100km
-
Consumption kWh/100km
19.7 - 20.6 kWh
Electric Range
80 km
Electric Range
74 - 642 km
Battery Capacity
-
Battery Capacity
21.80 kWh
co2
88 - 297 g/km
co2
0 - 277 g/km
Fuel tank capacity
-
Fuel tank capacity
70 - 90 L

Dimensions and Body

Body Type
SUV
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
-
Doors
5
Curb weight
2175 - 2490 kg
Curb weight
2130 - 2720 kg
Trunk capacity
439 - 605 L
Trunk capacity
434 - 781 L
Length
-
Length
4930 mm
Width
1995 - 2007 mm
Width
1980 - 1989 mm
Height
-
Height
1652 - 1698 mm
Max trunk capacity
-
Max trunk capacity
1344 - 1708 L
Payload
620 - 665 kg
Payload
365 - 705 kg

Engine and Performance

Engine Type
Petrol MHEV, Diesel MHEV, Petrol, 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
231 - 640 HP
Power HP
353 - 1156 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
248 - 305 km/h
Torque
500 - 850 Nm
Torque
500 - 1500 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
170 - 471 kW
Power kW
260 - 850 kW
Engine capacity
2967 - 3996 cm3
Engine capacity
2995 - 3996 cm3

General

Model Year
2025
Model Year
2025 - 2026
CO2 Efficiency Class
G, B
CO2 Efficiency Class
G, B, C, A
Brand
Audi
Brand
Porsche
What drive types are available for the Audi Q8?

Available configurations include All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.