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Audi A6 e-tron Avant vs Porsche Cayman comparison

Compare performance (551 HP vs 500 HP), boot space and price (55,200 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Avant or Porsche Cayman?

Audi A6 e-tron Avant vs Porsche Cayman: Key differences

Audi A6 e-tron Avant

3.4 (3 Reviews)
rate
  • substantially cheaper
  • only slightly more power
  • clearly more trunk space
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Porsche Cayman

  • somewhat quicker 0–100 km/h
  • considerably lighter
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By Achim Sedelmaier

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

A6 e-tron Avant

Costs and Efficiency:

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

Audi A6 e-tron Avant is substantially cheaper – starting at 55,200 £ , while the Porsche Cayman costs 136,000 £ . That’s a price difference of around 80,786 £.

Cayman

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 Audi A6 e-tron Avant offers only slightly more power – delivering 551 HP compared to 500 HP. That’s roughly 51 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Cayman is somewhat quicker – completing the sprint in 3.4 s, while the Audi A6 e-tron Avant takes 3.9 s. That’s about 0.5 s quicker.

Looking at top speed, the Porsche Cayman is visibly faster – reaching 315 km/h, while the Audi A6 e-tron Avant tops out at 240 km/h. The difference is around 75 km/h.

There’s also a difference in torque: the Audi A6 e-tron Avant delivers considerably more torque with 855 Nm compared to 450 Nm. That’s about 405 Nm more.

A6 e-tron 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.

Seats: Audi A6 e-tron Avant offers more seats – 5 vs 2.

In terms of curb weight, Porsche Cayman is considerably lighter – 1,490 kg compared to 2,185 kg. The difference is around 695 kg.

Looking at boot space, the Audi A6 e-tron Avant offers clearly more boot space – 502 L compared to 184 L. That’s a difference of about 318 L.

For maximum load capacity, the Audi A6 e-tron Avant offers considerably more capacity – up to 1,422 L, about 1,150 L more than the Porsche Cayman.

When it comes to payload, the Audi A6 e-tron Avant carries significantly more – 500 kg compared to 281 kg. That’s a difference of about 219 kg.

Who wins the race in the data check?

The Audi A6 e-tron Avant is far ahead 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 £55,200
A6 e-tron Avant

Audi A6 e-tron Avant

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 326 - 551 HP
  • Consumption kWh/100km 14.8 - 17 kWh/100km
  • Electric Range 539 - 716 km
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Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 e-tron Avant

The Audi A6 e-tron Avant wraps Audi's trademark refinement into a sleek electric estate that looks at home in the city or on the open road. Inside it's grown-up and tech-forward with practical packaging for family life, delivering a composed, confident drive that makes everyday hauling feel a bit more special and slightly futuristic.

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Reviews Audi A6 e-tron Avant

3.4 (3 Reviews)
rate

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Porsche Cayman

The Porsche Cayman stands out as a quintessential sports car, blending sleek design with dynamic handling. Its mid-engine layout provides an excellent balance and sharp agility that driving enthusiasts crave. Inside, the Cayman offers a refined and driver-focused interior, ensuring that every journey is an exhilarating experience.

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Reviews Porsche Cayman

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Audi A6 e-tron Avant
Porsche Cayman

Costs and Consumption
Price
55,200 - 100,100 £
Price
136,000 £
Consumption L/100km
-
Consumption L/100km
13 L/100km
Consumption kWh/100km
14.8 - 17 kWh/100km
Consumption kWh/100km
-
Electric Range
539 - 716 km
Electric Range
-
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
-
co2
0 g/km
co2
295 g/km
Fuel tank capacity
-
Fuel tank capacity
54 L

Dimensions and Body
Body Type
Estate
Body Type
Coupe
Seats
5
Seats
2
Doors
5
Doors
2
Curb weight
2,185 - 2,410 kg
Curb weight
1,490 kg
Trunk capacity
502 L
Trunk capacity
184 L
Length
4,928 mm
Length
4,456 mm
Width
1,923 mm
Width
1,822 mm
Height
1,504 - 1,527 mm
Height
1,267 mm
Max trunk capacity
1,422 L
Max trunk capacity
272 L
Payload
470 - 500 kg
Payload
281 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
326 - 551 HP
Power HP
500 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
3.4 s
Max Speed
210 - 240 km/h
Max Speed
315 km/h
Torque
435 - 855 Nm
Torque
450 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
240 - 405 kW
Power kW
368 kW
Engine capacity
-
Engine capacity
3,996 cm3

General
Model Year
2024
Model Year
2021
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Audi
Brand
Porsche
What drivetrain options does the Audi A6 e-tron Avant have?

The Audi A6 e-tron Avant is available as Rear-Wheel Drive or 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.