@ Audi AG
@ Dr. Ing. h.c. F. Porsche AG
VS

Audi A8 vs Porsche Cayenne - Differences and prices compared

Compare performance (571 HP vs 739 HP), boot space and price (91400 £ vs 87000 £) at a glance. Find out which car is the better choice for you – Audi A8 or Porsche Cayenne?

Audi A8

5 (1 Reviews)
rate

Porsche Cayenne

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

A8 @ Audi AG

Costs and Efficiency:

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.

Cayenne @ Dr. Ing. h.c. F. Porsche AG

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 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.

A8 @ Audi AG

Space and Everyday Use:

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.

Who wins the race?

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.

from about £87,000
Cayenne @ Dr. Ing. h.c. F. Porsche AG

Porsche Cayenne

  • Engine Type : Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 353 - 739 HP
  • Consumption L/100km : 4 - 12.2 L
  • Electric Range : 74 - 83 km
Audi A8
Porsche Cayenne

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Audi A8

5 (1 Reviews)
rate

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.

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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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Audi A8
Porsche Cayenne
A8 @ Audi AG
Cayenne @ Dr. Ing. h.c. F. Porsche AG

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
Is the Audi A8 offered with different drivetrains?

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.