VS

Audi A8 vs Porsche Cayenne comparison

Compare performance (571 HP vs 1,156 HP), boot space and price (91,400 £ vs 87,000 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Porsche Cayenne?

Audi A8 vs Porsche Cayenne: Key differences

Audi A8

5 (1 Reviews)
rate
  • very slightly lighter
details

Porsche Cayenne

3.3 (2 Reviews)
rate
  • barely cheaper
  • substantially more power
  • somewhat more efficient
  • significantly more electric range
  • considerably quicker 0–100 km/h
  • considerably more trunk space
details

By Achim Sedelmaier

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

A8

Costs and Efficiency:

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

Porsche Cayenne is barely cheaper – starting at 87,000 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 4,371 £.

Fuel consumption also shows a difference: the Porsche Cayenne uses 4 L/100km and is somewhat more efficient than the Audi A8 with 4.6 L/100km. The difference is about 0.6 L/100km.

As for electric range, the Porsche Cayenne offers significantly more range – reaching up to 642 km, about 584 km more than the Audi A8.

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 substantially more power – delivering 1,156 HP compared to 571 HP. That’s roughly 585 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayenne is considerably quicker – completing the sprint in 2.5 s, while the Audi A8 takes 3.8 s. That’s about 1.3 s quicker.

There’s also a difference in torque: the Porsche Cayenne delivers significantly more torque with 1,500 Nm compared to 800 Nm. That’s about 700 Nm more.

A8

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A8 is very slightly lighter – 2,035 kg compared to 2,130 kg. The difference is around 95 kg.

Looking at boot space, the Porsche Cayenne offers considerably more boot space – 781 L compared to 390 L. That’s a difference of about 391 L.

When it comes to payload, the Porsche Cayenne carries barely more – 705 kg compared to 700 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The Porsche Cayenne stands well ahead of its rival 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

Frequently compared as well

BYD Seal U
Porsche Cayenne
VS
Put simply: the BYD Seal U is a slick, value-packed electric newcomer that trades brand pedigree for cutting-edge tech, impressive range and a price that makes you rethink running on petrol, while the Porsche Cayenne remains the benchmark for SUV dynamics, luxury and towing practicality with a …
BMW iX3
Porsche Cayenne
VS
Unsure whether the BMW iX3 or the Porsche Cayenne is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Audi A8
Porsche Cayenne

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A8

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.

details
A220717_overfull
A220719_overfull
A220723_overfull
A220729_overfull
A218438_overfull

Reviews Audi A8

5 (1 Reviews)
rate

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

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
P17_0701
P17_0780
P17_0777
P17_0776
P17_0784

Reviews Porsche Cayenne

3.3 (2 Reviews)
rate

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

Frequently compared as well

Chevrolet Corvette Roadster
Porsche Cayenne
VS
Unsure whether the Chevrolet Corvette Roadster or the Porsche Cayenne is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Maserati Levante
Porsche Cayenne
VS
Unsure whether the Maserati Levante or the Porsche Cayenne is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Audi Q6 e-tron
Porsche Cayenne
VS
The Audi Q6 e-tron and Porsche Cayenne compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
VW Tiguan
Porsche Cayenne
VS
Unsure whether the VW Tiguan or the Porsche Cayenne is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Maserati Grecale
Porsche Cayenne
VS
Maserati Grecale and Porsche Cayenne go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
BYD Seal
Porsche Cayenne
VS
The BYD Seal and Porsche Cayenne compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Land Rover Defender
Porsche Cayenne
VS
The Land Rover Defender and Porsche Cayenne compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Porsche Cayenne
Porsche Panamera
VS
The Porsche Cayenne and the Porsche Panamera represent two distinct approaches within the luxury performance car segment. The Cayenne, with its robust SUV build, offers ample space and off-road capabilities without compromising on Porsche's signature agility and power. Meanwhile, the Panamera …
Audi A8
Porsche Cayenne

Costs and Consumption
Price
91,400 - 134,900 £
Price
87,000 - 186,400 £
Consumption L/100km
4.6 - 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
58 km
Electric Range
74 - 642 km
Battery Capacity
-
Battery Capacity
21.8 kWh
co2
105 - 260 g/km
co2
0 - 277 g/km
Fuel tank capacity
-
Fuel tank capacity
70 - 90 L

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
-
Doors
5
Curb weight
2,035 - 2,415 kg
Curb weight
2,130 - 2,720 kg
Trunk capacity
390 L
Trunk capacity
434 - 781 L
Length
-
Length
4,930 mm
Width
1,945 mm
Width
1,980 - 1,989 mm
Height
-
Height
1,652 - 1,698 mm
Max trunk capacity
-
Max trunk capacity
1,344 - 1,708 L
Payload
525 - 700 kg
Payload
365 - 705 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, 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
286 - 571 HP
Power HP
353 - 1,156 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
248 - 305 km/h
Torque
500 - 800 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
210 - 420 kW
Power kW
260 - 850 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
2,995 - 3,996 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
G, C
CO2 Efficiency Class
G, B, C, A
Brand
Audi
Brand
Porsche
What drive types are available for the Audi A8?

The Audi A8 is available as 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.