Looking at overall running costs, both models reveal some interesting differences in everyday economy.
Porsche Cayenne has a minimal advantage in terms of price – it starts at 87000 £, while the Audi A8 costs 91400 £. That’s a price difference of around 4371 £.
Fuel consumption also shows a difference: Porsche Cayenne manages with 4 L and is therefore convincingly more efficient than the Audi A8 with 7 L. The difference is about 3 L per 100 km.
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 has a evident edge – offering 739 HP compared to 571 HP. That’s roughly 168 HP more horsepower.
In acceleration from 0 to 100 km/h, the Porsche Cayenne is hardly perceptible quicker – completing the sprint in 3.60 s, while the Audi A8 takes 3.80 s. That’s about 0.20 s faster.
In terms of top speed, the Porsche Cayenne performs to a small extent better – reaching 305 km/h, while the Audi A8 tops out at 250 km/h. The difference is around 55 km/h.
There’s also a difference in torque: Porsche Cayenne pulls slightly stronger with 950 Nm compared to 800 Nm. That’s about 150 Nm difference.
Whether family car or daily driver – which one offers more room, flexibility and comfort?
Seats: offers more seating capacity – vs .
In curb weight, Audi A8 is hardly perceptible lighter – 2035 kg compared to 2130 kg. The difference is around 95 kg.
In terms of boot space, the Porsche Cayenne offers noticeable more room – 772 L compared to 505 L. That’s a difference of about 267 L.
When it comes to payload, Porsche Cayenne barely noticeable takes the win – 705 kg compared to 700 kg. That’s a difference of about 5 kg.
The Porsche Cayenne proves to be wins the duel decisively and therefore becomes our DriveDuel Champion!
Porsche Cayenne is the better all-rounder in this comparison.
The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.
detailsFew 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|
|
|
|
|
|
Costs and Consumption |
|
|---|---|
|
Price
91400 - 134900 £
|
Price
87000 - 186400 £
|
|
Consumption L/100km
7 - 11.5 L
|
Consumption L/100km
4 - 12.2 L
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
-
|
Electric Range
74 - 83 km
|
|
Battery Capacity
-
|
Battery Capacity
21.80 kWh
|
|
co2
183 - 260 g/km
|
co2
90 - 277 g/km
|
|
Fuel tank capacity
82 L
|
Fuel tank capacity
70 - 90 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
Sedan
|
Body Type
SUV
|
|
Seats
5
|
Seats
4 - 5
|
|
Doors
4
|
Doors
5
|
|
Curb weight
2035 - 2295 kg
|
Curb weight
2130 - 2670 kg
|
|
Trunk capacity
505 L
|
Trunk capacity
434 - 772 L
|
|
Length
5190 - 5320 mm
|
Length
4930 mm
|
|
Width
1945 mm
|
Width
1983 - 1989 mm
|
|
Height
1473 - 1488 mm
|
Height
1652 - 1698 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
1344 - 1708 L
|
|
Payload
540 - 700 kg
|
Payload
365 - 705 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Diesel MHEV
|
Engine Type
Petrol, Plugin Hybrid
|
|
Transmission
Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Automatic Gearbox
|
Transmission Detail
Automatic Gearbox
|
|
Drive Type
All-Wheel Drive
|
Drive Type
All-Wheel Drive
|
|
Power HP
286 - 571 HP
|
Power HP
353 - 739 HP
|
|
Acceleration 0-100km/h
3.8 - 5.9 s
|
Acceleration 0-100km/h
3.6 - 6 s
|
|
Max Speed
250 km/h
|
Max Speed
248 - 305 km/h
|
|
Torque
500 - 800 Nm
|
Torque
500 - 950 Nm
|
|
Number of Cylinders
6 - 8
|
Number of Cylinders
6 - 8
|
|
Power kW
210 - 420 kW
|
Power kW
260 - 544 kW
|
|
Engine capacity
2967 - 3996 cm3
|
Engine capacity
2995 - 3996 cm3
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2025
|
|
CO2 Efficiency Class
G
|
CO2 Efficiency Class
G, B, C
|
|
Brand
Audi
|
Brand
Porsche
|
The Audi A8 is offered with 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.