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Kia K4 vs Mercedes T Class comparison

Compare performance (180 HP vs 131 HP), boot space and price (24,800 £ vs 23,000 £ ) at a glance. Find out which car is the better choice for you – Kia K4 or Mercedes T Class?

Kia K4 vs Mercedes T Class: Key differences

Kia K4

4.4 (6 Reviews)
rate
  • markedly more power
  • noticeably quicker 0–100 km/h
  • barely lighter
details

Mercedes T Class

4 (1 Reviews)
rate
  • very slightly cheaper
  • a bit more efficient
details

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

K4

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.

Mercedes T Class is very slightly cheaper – starting at 23,000 £ , while the Kia K4 costs 24,800 £ . That’s a price difference of around 1,795 £.

Fuel consumption also shows a difference: the Mercedes T Class uses 5.1 L/100km and is a bit more efficient than the Kia K4 with 5.8 L/100km. The difference is about 0.7 L/100km.

T Class

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 Kia K4 offers markedly more power – delivering 180 HP compared to 131 HP. That’s roughly 49 HP more horsepower.

When accelerating from 0 to 100 km/h, the Kia K4 is noticeably quicker – completing the sprint in 8.4 s, while the Mercedes T Class takes 11.6 s. That’s about 3.2 s quicker.

There’s also a difference in torque: the Mercedes T Class delivers only slightly more torque with 270 Nm compared to 265 Nm. That’s about 5 Nm more.

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 terms of curb weight, Kia K4 is barely lighter – 1,415 kg compared to 1,556 kg. The difference is around 141 kg.

When it comes to payload, the Mercedes T Class carries visibly more – 630 kg compared to 455 kg. That’s a difference of about 175 kg.

Who wins the race in the data check?

The Kia K4 holds a decisive overall lead 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 £24,800
K4

Kia K4

  • Engine Type Petrol, Petrol MHEV
  • Transmission Manuel, Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 115 - 180 HP
  • Consumption L/100km 5.8 - 7.1 L/100km
details

Frequently compared as well

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Kia K4
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Comparing the Škoda Octavia Estate (commonly called the Octavia Combi) with the Kia K4 pits a spacious, practical wagon against a compact, value-focused sedan, each aimed at buyers who prioritise different kinds of everyday usability. This short head-to-head will focus on space, driving character, …
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Kia K4

Kia K4 shakes up the compact-sedan crowd with concept-car looks, a smartly packaged cabin, and the kind of easygoing refinement that makes rush hour feel less like a chore. It blends value, tech, and a dash of attitude, serving up a smooth, confident drive that might have you taking the long way home just to show off those angles.

details
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Reviews Kia K4

4.4 (6 Reviews)
rate
Joz
20 May 2026, 08:04:45

A modern, ultra-easy-to-use car with a full set of systems and assistants that work as they should, but with a sluggish gearbox and poor noise insulation.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Joz
20 May 2026, 08:04:45

A modern, ultra-easy-to-use car with a full set of systems and assistants that work as they should, but with a sluggish gearbox and poor soundproofing.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Joz
20 May 2026, 08:04:44

A modern, ultra-easy-to-use car with a full set of systems and assistants that work as they should, but with a sluggish gearbox and poor noise insulation.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Joz
20 May 2026, 08:04:44

A modern, ultra-easy-to-use car with a full set of systems and assistants that work as they should, but with a sluggish gearbox and poor sound insulation.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Joz
20 May 2026, 08:04:44

A modern, ultra-easy-to-use car with a full set of systems and assistants that work as they should, but hampered by a sluggish gearbox and poor soundproofing.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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.

details
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22C0258_007
22C0257_013

Reviews Mercedes T Class

4 (1 Reviews)
rate
Derek Woolfson
20 May 2026, 17:10:55

Better all around

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Mercedes T Class
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Kia K4
Mercedes T Class

Costs and Consumption
Price
24,800 - 34,200 £
Price
23,000 - 30,500 £
Consumption L/100km
5.8 - 7.1 L/100km
Consumption L/100km
5.1 - 7.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
132 - 161 g/km
co2
135 - 167 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback, Estate
Body Type
High Roof Estate
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,415 - 1,540 kg
Curb weight
1,556 - 1,678 kg
Trunk capacity
328 - 604 L
Trunk capacity
-
Length
-
Length
-
Width
1,850 mm
Width
1,859 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
435 - 455 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
115 - 180 HP
Power HP
95 - 131 HP
Acceleration 0-100km/h
8.4 - 12.3 s
Acceleration 0-100km/h
11.6 - 15.1 s
Max Speed
-
Max Speed
-
Torque
200 - 265 Nm
Torque
200 - 270 Nm
Number of Cylinders
3 - 4
Number of Cylinders
4
Power kW
85 - 132 kW
Power kW
70 - 96 kW
Engine capacity
998 - 1,598 cm3
Engine capacity
1,332 - 1,461 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
F, D, E
Brand
Kia
Brand
Mercedes-Benz
Is the Kia K4 offered with different drivetrains?

The Kia K4 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.