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Audi A6 Avant vs Porsche 911 Coupe comparison

Compare performance (367 HP vs 711 HP), boot space and price (49,700 £ vs 125,800 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Avant or Porsche 911 Coupe?

Audi A6 Avant vs Porsche 911 Coupe: Key differences

Audi A6 Avant

  • significantly cheaper
  • substantially more efficient
  • markedly more trunk space
details

Porsche 911 Coupe

  • substantially more power
  • substantially quicker 0–100 km/h
  • noticeably lighter
details

By Achim Sedelmaier

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

A6 Avant

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Audi A6 Avant is significantly cheaper – starting at 49,700 £ , while the Porsche 911 Coupe costs 125,800 £ . That’s a price difference of around 76,114 £.

Fuel consumption also shows a difference: the Audi A6 Avant uses 2.3 L/100km and is substantially more efficient than the Porsche 911 Coupe with 10.3 L/100km. The difference is about 8 L/100km.

911 Coupe

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 911 Coupe offers substantially more power – delivering 711 HP compared to 367 HP. That’s roughly 344 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Coupe 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 911 Coupe delivers noticeably more torque with 800 Nm compared to 580 Nm. That’s about 220 Nm more.

A6 Avant

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

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

In terms of curb weight, Porsche 911 Coupe is noticeably lighter – 1,536 kg compared to 1,865 kg. The difference is around 329 kg.

Looking at boot space, the Audi A6 Avant offers markedly more boot space – 503 L compared to 373 L. That’s a difference of about 130 L.

When it comes to payload, the Audi A6 Avant carries considerably more – 570 kg compared to 310 kg. That’s a difference of about 260 kg.

Who wins the race in the data check?

The Audi A6 Avant holds a decisive overall lead 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 £49,700
A6 Avant

Audi A6 Avant

  • Engine Type Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 204 - 367 HP
  • Consumption L/100km 2.3 - 7.5 L/100km
  • Electric Range 94 - 101 km
details

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 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.

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Reviews Audi A6 Avant

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Porsche 911 Coupe

The Porsche 911 Coupe remains the iconic sports car you buy when you want a thrilling weekend weapon that still behaves like a civilized companion during the weekdays. Its classic silhouette and razor‑sharp handling deliver a grin-inducing drive every time, while the polished interior and intuitive controls remind you this is a car built for drivers, not just headlines.

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Reviews Porsche 911 Coupe

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Porsche 911 Coupe

Costs and Consumption
Price
49,700 - 70,200 £
Price
125,800 - 301,000 £
Consumption L/100km
2.3 - 7.5 L/100km
Consumption L/100km
10.3 - 13.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
94 - 101 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
53 - 170 g/km
co2
233 - 312 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1,865 - 2,240 kg
Curb weight
1,536 - 1,815 kg
Trunk capacity
404 - 503 L
Trunk capacity
373 L
Length
-
Length
-
Width
1,875 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 570 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 367 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
4.7 - 8.3 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
-
Max Speed
-
Torque
340 - 580 Nm
Torque
450 - 800 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6
Power kW
150 - 270 kW
Power kW
290 - 523 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2025
Model Year
2,024 - 2,026
CO2 Efficiency Class
F, D, E, B
CO2 Efficiency Class
G
Brand
Audi
Brand
Porsche
Is the Audi A6 Avant offered with different drivetrains?

The Audi A6 Avant is offered with Front-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.