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Audi Q8 vs Porsche Cayenne comparison

Compare performance (640 HP vs 1,156 HP), boot space and price (77,300 £ vs 90,200 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Porsche Cayenne?

Audi Q8 vs Porsche Cayenne: Key differences

Audi Q8

  • somewhat cheaper
  • very slightly more efficient
details

Porsche Cayenne

3.3 (2 Reviews)
rate
  • substantially more power
  • clearly more electric range
  • significantly quicker 0–100 km/h
  • barely lighter
  • markedly more trunk space
details

By Achim Sedelmaier

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

Q8

Costs and Efficiency:

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

Audi Q8 is somewhat cheaper – starting at 77,300 £ , while the Porsche Cayenne costs 90,200 £ . That’s a price difference of around 12,857 £.

Fuel consumption also shows a difference: the Audi Q8 uses 3.9 L/100km and is very slightly more efficient than the Porsche Cayenne with 4 L/100km. The difference is about 0.1 L/100km.

As for electric range, the Porsche Cayenne offers clearly more range – reaching up to 668 km, about 588 km more than the Audi Q8.

Cayenne

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 Porsche Cayenne offers substantially more power – delivering 1,156 HP compared to 640 HP. That’s roughly 516 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayenne is significantly quicker – completing the sprint in 2.5 s, while the Audi Q8 takes 3.6 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Porsche Cayenne delivers considerably more torque with 1,500 Nm compared to 850 Nm. That’s about 650 Nm more.

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 terms of curb weight, Porsche Cayenne is barely lighter – 2,130 kg compared to 2,175 kg. The difference is around 45 kg.

Looking at boot space, the Porsche Cayenne offers markedly more boot space – 781 L compared to 605 L. That’s a difference of about 176 L.

When it comes to payload, the Porsche Cayenne carries marginally more – 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 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
details

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Porsche Cayenne

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

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Reviews Audi Q8

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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

3.3 (2 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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Porsche Cayenne

Costs and Consumption
Price
77,300 - 137,100 £
Price
90,200 - 144,400 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
4 - 11 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
18.9 - 20.6 kWh/100km
Electric Range
80 km
Electric Range
74 - 668 km
Battery Capacity
-
Battery Capacity
-
co2
88 - 297 g/km
co2
0 - 249 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
-
Doors
-
Curb weight
2,175 - 2,490 kg
Curb weight
2,130 - 2,725 kg
Trunk capacity
439 - 605 L
Trunk capacity
434 - 781 L
Length
-
Length
-
Width
1,995 - 2,007 mm
Width
1,980 - 1,983 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
525 - 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 - 1,156 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
-
Torque
500 - 850 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6
Power kW
170 - 471 kW
Power kW
260 - 850 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
2,995 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
G, B
CO2 Efficiency Class
G, B, A
Brand
Audi
Brand
Porsche
What drivetrain options does the Audi Q8 have?

Available configurations include 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.