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Audi Q8 vs Kia Stonic comparison

Compare performance (640 HP vs 115 HP), boot space and price (77,300 £ vs 20,400 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or Kia Stonic?

Audi Q8 vs Kia Stonic: Key differences

Audi Q8

4.9 (1 Reviews)
rate
  • substantially more power
  • substantially more efficient
  • considerably quicker 0–100 km/h
  • significantly more trunk space
details

Kia Stonic

4.6 (2 Reviews)
rate
  • substantially cheaper
  • substantially lighter
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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.

Kia Stonic is substantially cheaper – starting at 20,400 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 56,923 £.

Fuel consumption also shows a difference: the Audi Q8 uses 3.9 L/100km and is substantially more efficient than the Kia Stonic with 5.6 L/100km. The difference is about 1.7 L/100km.

Stonic

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 Q8 offers substantially more power – delivering 640 HP compared to 115 HP. That’s roughly 525 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q8 is considerably quicker – completing the sprint in 3.6 s, while the Kia Stonic takes 10.7 s. That’s about 7.1 s quicker.

There’s also a difference in torque: the Audi Q8 delivers clearly more torque with 850 Nm compared to 200 Nm. That’s about 650 Nm more.

Q8

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Kia Stonic is substantially lighter – 1,205 kg compared to 2,175 kg. The difference is around 970 kg.

Looking at boot space, the Audi Q8 offers significantly more boot space – 605 L compared to 352 L. That’s a difference of about 253 L.

When it comes to payload, the Audi Q8 carries visibly more – 665 kg compared to 445 kg. That’s a difference of about 220 kg.

Who wins the race in the data check?

The Audi Q8 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 £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
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews Audi Q8

4.9 (1 Reviews)
rate

No reviews yet. Share your experience and help others decide.

Kia Stonic

The Kia Stonic is a compact crossover that pairs nimble city manners with a surprisingly spacious and comfortable cabin. It’s a practical, well-equipped choice for buyers who value sensible features, approachable styling and easy everyday usability.

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Reviews Kia Stonic

4.6 (2 Reviews)
rate
Jan
18 Mar 2026, 07:19:10

Very good car, uses little fuel, nothing's gone wrong in 4 years, no breakdowns.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Ennio
4 Feb 2026, 13:19:36

I'm very satisfied — I have a Stonic Black Edition hybrid, and I haven't had any problems after two years.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Audi Q8
Kia Stonic

Costs and Consumption
Price
77,300 - 137,100 £
Price
20,400 - 26,800 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
5.6 - 5.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
88 - 297 g/km
co2
126 - 128 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,175 - 2,490 kg
Curb weight
1,205 - 1,270 kg
Trunk capacity
439 - 605 L
Trunk capacity
352 L
Length
-
Length
-
Width
1,995 - 2,007 mm
Width
1,760 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
440 - 445 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol, Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
231 - 640 HP
Power HP
100 - 115 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
10.7 - 12.1 s
Max Speed
-
Max Speed
-
Torque
500 - 850 Nm
Torque
172 - 200 Nm
Number of Cylinders
6 - 8
Number of Cylinders
3
Power kW
170 - 471 kW
Power kW
74 - 85 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
998 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
G, B
CO2 Efficiency Class
D
Brand
Audi
Brand
Kia
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.