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Audi A6 Limousine vs Porsche 911 Coupe comparison

Compare performance (367 HP vs 711 HP), boot space and price (47,600 £ vs 125,800 £ ) at a glance. Find out which car is the better choice for you – Audi A6 Limousine or Porsche 911 Coupe?

Audi A6 Limousine vs Porsche 911 Coupe: Key differences

Audi A6 Limousine

  • significantly cheaper
  • considerably more efficient
  • visibly more trunk space
details

Porsche 911 Coupe

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

By Achim Sedelmaier

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

A6 Limousine

Costs and Efficiency:

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

Audi A6 Limousine is significantly cheaper – starting at 47,600 £ , while the Porsche 911 Coupe costs 125,800 £ . That’s a price difference of around 78,257 £.

Fuel consumption also shows a difference: the Audi A6 Limousine uses 2.2 L/100km and is considerably more efficient than the Porsche 911 Coupe with 10.3 L/100km. The difference is about 8.1 L/100km.

911 Coupe

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 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 considerably quicker – completing the sprint in 2.5 s, while the Audi A6 Limousine takes 4.7 s. That’s about 2.2 s quicker.

There’s also a difference in torque: the Porsche 911 Coupe delivers visibly more torque with 800 Nm compared to 580 Nm. That’s about 220 Nm more.

A6 Limousine

Space and Everyday Use:

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

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

In terms of curb weight, Porsche 911 Coupe is visibly lighter – 1,536 kg compared to 1,845 kg. The difference is around 309 kg.

Looking at boot space, the Audi A6 Limousine offers visibly more boot space – 492 L compared to 373 L. That’s a difference of about 119 L.

When it comes to payload, the Audi A6 Limousine carries clearly more – 625 kg compared to 310 kg. That’s a difference of about 315 kg.

Who wins the race in the data check?

The Audi A6 Limousine 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 £47,600
A6 Limousine

Audi A6 Limousine

  • Engine Type Petrol, Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 204 - 367 HP
  • Consumption L/100km 2.2 - 7.3 L/100km
  • Electric Range 97 - 105 km
details

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View detailed analysis

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View detailed analysis

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Audi A6 Limousine

The Audi A6 cuts a clean, purposeful silhouette with an interior that feels like a quiet, high-tech office on wheels—luxurious materials and clever gadgets make long journeys surprisingly pleasant. It balances composed, confident driving with enough flair to keep you entertained, making it a sensible choice for buyers who want executive polish without showing off.

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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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Audi A6 Limousine
Porsche 911 Coupe

Costs and Consumption
Price
47,600 - 68,100 £
Price
125,800 - 301,000 £
Consumption L/100km
2.2 - 7.3 L/100km
Consumption L/100km
10.3 - 13.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
97 - 105 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
49 - 166 g/km
co2
233 - 312 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1,845 - 2,220 kg
Curb weight
1,536 - 1,815 kg
Trunk capacity
354 - 492 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 - 625 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Petrol, Diesel MHEV, Petrol 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 - 8.2 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
What drivetrain options does the Audi A6 Limousine have?

Available configurations include 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.