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Kia Stonic vs Mitsubishi ASX - Differences and prices compared

Compare performance (115 HP vs 158 HP), boot space and price (20100 £ vs 20600 £ ) at a glance. Find out which car is the better choice for you – Kia Stonic or Mitsubishi ASX?

Kia Stonic

Mitsubishi ASX

5 (1 Reviews)
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Here’s where it gets real: The technical differences in detail

Stonic

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Kia Stonic has a hardly perceptible advantage in terms of price – it starts at 20100 £ , while the Mitsubishi ASX costs 20600 £ . That’s a price difference of around 428 £.

Fuel consumption also shows a difference: Mitsubishi ASX manages with 4.40 L and is therefore noticeable more efficient than the Kia Stonic with 5.60 L. The difference is about 1.20 L per 100 km.

ASX

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 Mitsubishi ASX has a distinct edge – offering 158 HP compared to 115 HP. That’s roughly 43 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mitsubishi ASX is evident quicker – completing the sprint in 8.50 s, while the Kia Stonic takes 10.70 s. That’s about 2.20 s faster.

In terms of top speed, the Kia Stonic performs minimal better – reaching 182 km/h, while the Mitsubishi ASX tops out at 180 km/h. The difference is around 2 km/h.

There’s also a difference in torque: Mitsubishi ASX pulls noticeable stronger with 270 Nm compared to 200 Nm. That’s about 70 Nm difference.

Stonic

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In curb weight, Kia Stonic is barely noticeable lighter – 1205 kg compared to 1296 kg. The difference is around 91 kg.

In terms of boot space, the Mitsubishi ASX offers noticeable more room – 484 L compared to 352 L. That’s a difference of about 132 L.

In maximum load capacity, the Mitsubishi ASX performs noticeable better – up to 1596 L, which is about 441 L more than the Kia Stonic.

When it comes to payload, Mitsubishi ASX slight takes the win – 449 kg compared to 445 kg. That’s a difference of about 4 kg.

Who wins the race in the data check?

The Mitsubishi ASX 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.

Kia Stonic
Mitsubishi ASX

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis
from about £20,600
ASX

Mitsubishi ASX

  • Engine Type : Petrol, Petrol MHEV, Full Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 91 - 158 HP
  • Consumption L/100km : 4.4 - 6 L

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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Mitsubishi ASX

5 (1 Reviews)
rate

The Mitsubishi ASX is a compact crossover that mixes practicality with a no-nonsense personality, making it an easy choice for buyers who want sensible space without the showroom theatrics. It won't set your pulse racing, but its composed ride and user-friendly kit make it a dependable companion for daily errands and weekend escapes — reliable rather than flashy.

details
Kia Stonic
Mitsubishi ASX

Costs and Consumption

Price
20100 - 26600 £
Price
20600 - 32500 £
Consumption L/100km
5.6 - 5.9 L
Consumption L/100km
4.4 - 6 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
127 - 133 g/km
co2
99 - 135 g/km
Fuel tank capacity
45 L
Fuel tank capacity
48 L

Dimensions and Body

Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1205 - 1270 kg
Curb weight
1296 - 1493 kg
Trunk capacity
352 L
Trunk capacity
348 - 484 L
Length
4165 mm
Length
4239 mm
Width
1760 mm
Width
1797 mm
Height
1520 mm
Height
1575 mm
Max trunk capacity
1155 L
Max trunk capacity
1458 - 1596 L
Payload
440 - 445 kg
Payload
397 - 449 kg

Engine and Performance

Engine Type
Petrol, Petrol MHEV
Engine Type
Petrol, Petrol MHEV, Full Hybrid
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic, Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
100 - 115 HP
Power HP
91 - 158 HP
Acceleration 0-100km/h
10.7 - 12.1 s
Acceleration 0-100km/h
8.5 - 14 s
Max Speed
179 - 182 km/h
Max Speed
168 - 180 km/h
Torque
172 - 200 Nm
Torque
160 - 270 Nm
Number of Cylinders
3
Number of Cylinders
3 - 4
Power kW
74 - 85 kW
Power kW
67 - 116 kW
Engine capacity
998 cm3
Engine capacity
999 - 1789 cm3

General

Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
D
CO2 Efficiency Class
D, C
Brand
Kia
Brand
Mitsubishi
Is the Kia Stonic offered with different drivetrains?

The Kia Stonic is offered with Front-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.