VS

Audi A6 Avant vs Porsche Cayenne comparison

Compare performance (367 HP vs 1,156 HP), boot space and price (49,700 £ vs 90,200 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or Porsche Cayenne?

Audi A6 Avant vs Porsche Cayenne: Key differences

Audi A6 Avant

  • clearly cheaper
  • significantly more efficient
  • moderately lighter
details

Porsche Cayenne

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

By Achim Sedelmaier

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

A6 Avant

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi A6 Avant is clearly cheaper – starting at 49,700 £ , while the Porsche Cayenne costs 90,200 £ . That’s a price difference of around 40,457 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is significantly more efficient than the Porsche Cayenne with 4 L/100km. The difference is about 1.7 L/100km.

As for electric range, the Porsche Cayenne offers clearly more range – reaching up to 651 km, about 550 km more than the Audi A6 Avant.

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 offers significantly more power – delivering 1,156 HP compared to 367 HP. That’s roughly 789 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayenne is substantially quicker – completing the sprint in 2.5 s, while the Audi A6 Avant takes 4.7 s. That’s about 2.2 s quicker.

There’s also a difference in torque: the Porsche Cayenne delivers clearly more torque with 1,500 Nm compared to 580 Nm. That’s about 920 Nm more.

A6 Avant

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 A6 Avant is moderately lighter – 1,865 kg compared to 2,130 kg. The difference is around 265 kg.

Looking at boot space, the Porsche Cayenne offers noticeably more boot space – 781 L compared to 503 L. That’s a difference of about 278 L.

When it comes to payload, the Porsche Cayenne carries slightly more – 705 kg compared to 570 kg. That’s a difference of about 135 kg.

Who wins the race in the data check?

The Porsche Cayenne is decisively ahead 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 : 19.5 - 20.6 kWh/100km
  • Electric Range : 74 - 651 km
Audi A6 Avant
Porsche Cayenne

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Audi A6 Avant

The Audi A6 Avant wraps executive poise and usable practicality into an impeccably finished estate that makes everyday driving feel noticeably more grown-up. It serves up a calm, composed ride and clever packaging for buyers who want space and refinement without ostentation — the sensible choice that still manages to impress.

details

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
Audi A6 Avant
Porsche Cayenne

Costs and Consumption

Price
49,700 - 70,200 £
Price
90,200 - 141,900 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
4 - 11 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
19.5 - 20.6 kWh/100km
Electric Range
94 - 101 km
Electric Range
74 - 651 km
Battery Capacity
-
Battery Capacity
-
co2
53 - 170 g/km
co2
0 - 249 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Estate
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
-
Doors
-
Curb weight
1,865 - 2,240 kg
Curb weight
2,130 - 2,720 kg
Trunk capacity
404 - 503 L
Trunk capacity
434 - 781 L
Length
-
Length
-
Width
1,875 mm
Width
1,980 - 1,983 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 570 kg
Payload
550 - 705 kg

Engine and Performance

Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol, Plugin Hybrid, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
204 - 367 HP
Power HP
353 - 1,156 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
500 - 1,500 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6
Power kW
150 - 270 kW
Power kW
260 - 850 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
2,995 cm3

General

Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
G, B, A
Brand
Audi
Brand
Porsche
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.