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Kia Stonic vs Mercedes T Class comparison

Compare performance (115 HP vs 131 HP), boot space and price (20100 £ vs 23000 £ ) at a glance. Find out which car is the better choice for you – Kia Stonic or Mercedes T Class?

Kia Stonic vs Mercedes T Class: Key differences

Kia Stonic

4.3 (1 Reviews)
rate
  • a bit cheaper
  • slight quicker from 0–100 km/h
  • clearly perceptible lighter

Mercedes T Class

  • to a small extent more power
  • minimal more efficient
  • clearly perceptible more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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 has a a bit advantage in terms of price – it starts at 20100 £ , while the Mercedes T Class costs 23000 £ . That’s a price difference of around 2833 £.

Fuel consumption also shows a difference: Mercedes T Class manages with 5.10 L and is therefore minimal more efficient than the Kia Stonic with 5.60 L. The difference is about 0.50 L per 100 km.

T Class

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes T Class has a to a small extent edge – offering 131 HP compared to 115 HP. That’s roughly 16 HP more horsepower.

In acceleration from 0 to 100 km/h, the Kia Stonic is slight quicker – completing the sprint in 10.70 s, while the Mercedes T Class takes 11.60 s. That’s about 0.90 s faster.

In terms of top speed, the Mercedes T Class performs hardly perceptible better – reaching 184 km/h, while the Kia Stonic tops out at 182 km/h. The difference is around 2 km/h.

There’s also a difference in torque: Mercedes T Class pulls evident stronger with 270 Nm compared to 200 Nm. That’s about 70 Nm difference.

Stonic

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In curb weight, Kia Stonic is clearly perceptible lighter – 1205 kg compared to 1556 kg. The difference is around 351 kg.

In terms of boot space, the Mercedes T Class offers clearly perceptible more room – 520 L compared to 352 L. That’s a difference of about 168 L.

In maximum load capacity, the Mercedes T Class performs clearly better – up to 3600 L, which is about 2445 L more than the Kia Stonic.

When it comes to payload, Mercedes T Class distinct takes the win – 630 kg compared to 445 kg. That’s a difference of about 185 kg.

Who wins the race in the data check?

The Mercedes T Class 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.

Frequently compared as well

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Mercedes T Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £23,000
T Class

Mercedes T Class

  • Engine Type : Petrol, Diesel
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 95 - 131 HP
  • Consumption L/100km : 5.1 - 7.4 L
details

Kia Stonic

4.3 (1 Reviews)
rate

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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Mercedes T Class

The Mercedes T-Class dresses everyday practicality in a premium suit, blending the sensible utility of a small van with the refinement you expect from the three-pointed star. Its flexible interior and clever details make it a brilliantly pragmatic choice for families and active owners who want comfort and usefulness without the fuss.

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Reviews Kia Stonic

4.3 (1 Reviews)
rate
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

Reviews Mercedes T Class

Kia Stonic
Mercedes T Class

Costs and Consumption
Price
20100 - 26600 £
Price
23000 - 30500 £
Consumption L/100km
5.6 - 5.9 L
Consumption L/100km
5.1 - 7.4 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
127 - 133 g/km
co2
135 - 167 g/km
Fuel tank capacity
45 L
Fuel tank capacity
54 L

Dimensions and Body
Body Type
SUV
Body Type
High Roof Estate
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1205 - 1270 kg
Curb weight
1556 - 1678 kg
Trunk capacity
352 L
Trunk capacity
0 - 520 L
Length
4165 mm
Length
4498 - 4922 mm
Width
1760 mm
Width
1859 mm
Height
1520 mm
Height
1811 mm
Max trunk capacity
1155 L
Max trunk capacity
2127 - 3600 L
Payload
440 - 445 kg
Payload
521 - 630 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV
Engine Type
Petrol, Diesel
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
Front-Wheel Drive
Power HP
100 - 115 HP
Power HP
95 - 131 HP
Acceleration 0-100km/h
10.7 - 12.1 s
Acceleration 0-100km/h
11.6 - 15.1 s
Max Speed
179 - 182 km/h
Max Speed
164 - 184 km/h
Torque
172 - 200 Nm
Torque
200 - 270 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
74 - 85 kW
Power kW
70 - 96 kW
Engine capacity
998 cm3
Engine capacity
1332 - 1461 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
D
CO2 Efficiency Class
F, D, E
Brand
Kia
Brand
Mercedes-Benz

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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.