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Audi Q8 vs Porsche 911 Coupe comparison

Compare performance (640 HP vs 711 HP), boot space and price (77,300 £ vs 125,800 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Porsche 911 Coupe?

Audi Q8 vs Porsche 911 Coupe: Key differences

Audi Q8

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

Porsche 911 Coupe

  • barely more power
  • clearly quicker 0–100 km/h
  • considerably lighter
details

By Achim Sedelmaier

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

Q8

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 Q8 is considerably cheaper – starting at 77,300 £ , while the Porsche 911 Coupe costs 125,800 £ . That’s a price difference of around 48,514 £.

Fuel consumption also shows a difference: the Audi Q8 uses 3.9 L/100km and is significantly more efficient than the Porsche 911 Coupe with 10.3 L/100km. The difference is about 6.4 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 barely more power – delivering 711 HP compared to 640 HP. That’s roughly 71 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Coupe is clearly quicker – completing the sprint in 2.5 s, while the Audi Q8 takes 3.6 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Audi Q8 delivers barely more torque with 850 Nm compared to 800 Nm. That’s about 50 Nm more.

Q8

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Audi Q8 offers more seats – 5 vs 2.

In terms of curb weight, Porsche 911 Coupe is considerably lighter – 1,536 kg compared to 2,175 kg. The difference is around 639 kg.

Looking at boot space, the Audi Q8 offers markedly more boot space – 605 L compared to 373 L. That’s a difference of about 232 L.

When it comes to payload, the Audi Q8 carries considerably more – 665 kg compared to 310 kg. That’s a difference of about 355 kg.

Who wins the race in the data check?

The Audi Q8 is clearly superior 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 £77,300
Q8

Audi Q8

  • Engine Type : Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 231 - 640 HP
  • Consumption L/100km : 3.9 - 13.1 L/100km
  • Electric Range : 80 km
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Audi Q8

The Audi Q8 wraps coupe-like flair around a burly SUV stance, serving up a cabin dressed in premium materials and smart tech that puts comfort and swagger front and center. It’s composed and comfortable on long runs yet happy to play when asked, making it a tempting choice for buyers who want head-turning looks without surrendering everyday practicality.

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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 Q8
Porsche 911 Coupe

Costs and Consumption
Price
77,300 - 137,100 £
Price
125,800 - 301,000 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
10.3 - 13.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
88 - 297 g/km
co2
233 - 312 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
2,175 - 2,490 kg
Curb weight
1,536 - 1,815 kg
Trunk capacity
439 - 605 L
Trunk capacity
373 L
Length
-
Length
-
Width
1,995 - 2,007 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, 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
231 - 640 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
-
Max Speed
-
Torque
500 - 850 Nm
Torque
450 - 800 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6
Power kW
170 - 471 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
2,024 - 2,026
CO2 Efficiency Class
G, B
CO2 Efficiency Class
G
Brand
Audi
Brand
Porsche
What drivetrain options does the Audi Q8 have?

Available configurations include 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.