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Kia Stonic vs Porsche 911 Coupe comparison

Compare performance (115 HP vs 711 HP), boot space and price (20,400 £ vs 125,800 £ ) at a glance. Find out which car is the better choice for you – Kia Stonic or Porsche 911 Coupe?

Kia Stonic vs Porsche 911 Coupe: Key differences

Kia Stonic

4.6 (2 Reviews)
rate
  • clearly cheaper
  • substantially more efficient
  • noticeably lighter
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Porsche 911 Coupe

  • substantially more power
  • substantially quicker 0–100 km/h
  • only slightly more trunk space
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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

Stonic

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Kia Stonic is clearly cheaper – starting at 20,400 £ , while the Porsche 911 Coupe costs 125,800 £ . That’s a price difference of around 105,437 £.

Fuel consumption also shows a difference: the Kia Stonic uses 5.6 L/100km and is substantially more efficient than the Porsche 911 Coupe with 10.3 L/100km. The difference is about 4.7 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 115 HP. That’s roughly 596 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 Kia Stonic takes 10.7 s. That’s about 8.2 s quicker.

There’s also a difference in torque: the Porsche 911 Coupe delivers clearly more torque with 800 Nm compared to 200 Nm. That’s about 600 Nm more.

Stonic

Space and Everyday Use:

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

Seats: Kia Stonic offers more seats – 5 vs 2.

In terms of curb weight, Kia Stonic is noticeably lighter – 1,205 kg compared to 1,536 kg. The difference is around 331 kg.

Looking at boot space, the Porsche 911 Coupe offers only slightly more boot space – 373 L compared to 352 L. That’s a difference of about 21 L.

When it comes to payload, the Kia Stonic carries clearly more – 445 kg compared to 310 kg. That’s a difference of about 135 kg.

Who wins the race in the data check?

The Kia Stonic 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 £20,400
Stonic

Kia Stonic

  • Engine Type : Petrol, Petrol MHEV
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 100 - 115 HP
  • Consumption L/100km : 5.6 - 5.7 L/100km
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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

Kia Stonic

The Kia Stonic is a sprightly compact crossover that mixes city-friendly agility with a cheeky, modern design — perfect for buyers who want style without sacrificing sense. Inside it serves up clever practicality and a bright, well-equipped cabin, making everyday driving feel a bit more fun than it has any right to be.

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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

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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S19_0109_fine
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Reviews Porsche 911 Coupe

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

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Porsche 911 Coupe

Costs and Consumption
Price
20,400 - 26,800 £
Price
125,800 - 301,000 £
Consumption L/100km
5.6 - 5.7 L/100km
Consumption L/100km
10.3 - 13.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
126 - 128 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
1,205 - 1,270 kg
Curb weight
1,536 - 1,815 kg
Trunk capacity
352 L
Trunk capacity
373 L
Length
-
Length
-
Width
1,760 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
440 - 445 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV
Engine Type
Petrol, Full Hybrid
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
100 - 115 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
10.7 - 12.1 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
-
Max Speed
-
Torque
172 - 200 Nm
Torque
450 - 800 Nm
Number of Cylinders
3
Number of Cylinders
6
Power kW
74 - 85 kW
Power kW
290 - 523 kW
Engine capacity
998 cm3
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2025
Model Year
2,024 - 2,026
CO2 Efficiency Class
D
CO2 Efficiency Class
G
Brand
Kia
Brand
Porsche
Is the Kia Stonic offered with different drivetrains?

The Kia Stonic is offered with Front-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.