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Audi A8 vs Porsche 911 Coupe comparison

Compare performance (571 HP vs 711 HP), boot space and price (91,400 £ vs 116,800 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or Porsche 911 Coupe?

Audi A8 vs Porsche 911 Coupe: Key differences

Audi A8

5 (1 Reviews)
rate
  • noticeably cheaper
  • clearly more efficient
  • very slightly more trunk space
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Porsche 911 Coupe

  • slightly more power
  • significantly quicker 0–100 km/h
  • noticeably lighter
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By Achim Sedelmaier

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

A8

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Audi A8 is noticeably cheaper – starting at 91,400 £ , while the Porsche 911 Coupe costs 116,800 £ . That’s a price difference of around 25,457 £.

Fuel consumption also shows a difference: the Audi A8 uses 4.6 L/100km and is clearly more efficient than the Porsche 911 Coupe with 10.1 L/100km. The difference is about 5.5 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 slightly more power – delivering 711 HP compared to 571 HP. That’s roughly 140 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Coupe is significantly quicker – completing the sprint in 2.5 s, while the Audi A8 takes 3.8 s. That’s about 1.3 s quicker.

Both models offer the same torque – 800 Nm.

A8

Space and Everyday Use:

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

Seats: Audi A8 offers more seats – 5 vs 2.

In terms of curb weight, Porsche 911 Coupe is noticeably lighter – 1,525 kg compared to 2,035 kg. The difference is around 510 kg.

Looking at boot space, the Audi A8 offers very slightly more boot space – 390 L compared to 373 L. That’s a difference of about 17 L.

When it comes to payload, the Audi A8 carries considerably more – 700 kg compared to 310 kg. That’s a difference of about 390 kg.

Who wins the race in the data check?

The Audi A8 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 £91,400
A8

Audi A8

  • Engine Type : Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 286 - 571 HP
  • Consumption L/100km : 4.6 - 11.5 L/100km
  • Electric Range : 58 km
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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.

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Reviews Audi A8

5 (1 Reviews)
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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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Audi A8
Porsche 911 Coupe

Costs and Consumption
Price
91,400 - 134,900 £
Price
116,800 - 301,000 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
10.1 - 13.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
229 - 312 g/km
Fuel tank capacity
-
Fuel tank capacity
63 - 64 L

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
2
Curb weight
2,035 - 2,415 kg
Curb weight
1,525 - 1,815 kg
Trunk capacity
390 L
Trunk capacity
264 - 373 L
Length
-
Length
4,542 - 4,572 mm
Width
1,945 mm
Width
1,852 - 1,900 mm
Height
-
Height
1,279 - 1,322 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 700 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
286 - 571 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
-
Max Speed
294 - 313 km/h
Torque
500 - 800 Nm
Torque
450 - 800 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6
Power kW
210 - 420 kW
Power kW
290 - 523 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2025
Model Year
2,022 - 2,026
CO2 Efficiency Class
G, C
CO2 Efficiency Class
G
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.