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Kia Stonic vs Mercedes Marco Polo comparison

Compare performance (115 HP vs 237 HP), boot space and price (20,400 £ vs 57,500 £ ) at a glance. Find out which car is the better choice for you – Kia Stonic or Mercedes Marco Polo?

Kia Stonic vs Mercedes Marco Polo: Key differences

Kia Stonic

4.6 (2 Reviews)
rate
  • clearly cheaper
  • clearly more efficient
  • substantially lighter
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Mercedes Marco Polo

  • clearly more power
  • significantly quicker 0–100 km/h
  • clearly 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:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Kia Stonic is clearly cheaper – starting at 20,400 £ , while the Mercedes Marco Polo costs 57,500 £ . That’s a price difference of around 37,094 £.

Fuel consumption also shows a difference: the Kia Stonic uses 5.6 L/100km and is clearly more efficient than the Mercedes Marco Polo with 7.4 L/100km. The difference is about 1.8 L/100km.

Marco Polo

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 Marco Polo offers clearly more power – delivering 237 HP compared to 115 HP. That’s roughly 122 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes Marco Polo is significantly quicker – completing the sprint in 7.4 s, while the Kia Stonic takes 10.7 s. That’s about 3.3 s quicker.

There’s also a difference in torque: the Mercedes Marco Polo delivers significantly more torque with 500 Nm compared to 200 Nm. That’s about 300 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 4.

In terms of curb weight, Kia Stonic is substantially lighter – 1,205 kg compared to 2,450 kg. The difference is around 1,245 kg.

Looking at boot space, the Mercedes Marco Polo offers clearly more boot space – 670 L compared to 352 L. That’s a difference of about 318 L.

When it comes to payload, the Mercedes Marco Polo carries visibly more – 650 kg compared to 445 kg. That’s a difference of about 205 kg.

Who wins the race in the data check?

The Kia Stonic holds a narrow 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 £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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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 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

Mercedes Marco Polo

The Mercedes Marco Polo is a posh, travel-ready camper that blends van practicality with Mercedes comfort, turning long trips into glamping adventures rather than endurance tests. Clever interior packaging and sensible luxury make it a top pick for buyers who want the prestige of a star on the grille without losing everyday usefulness.

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Reviews Mercedes Marco Polo

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

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Mercedes Marco Polo

Costs and Consumption
Price
20,400 - 26,800 £
Price
57,500 - 82,600 £
Consumption L/100km
5.6 - 5.7 L/100km
Consumption L/100km
7.4 - 8.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
126 - 128 g/km
co2
194 - 218 g/km
Fuel tank capacity
-
Fuel tank capacity
70 L

Dimensions and Body
Body Type
SUV
Body Type
Bus
Seats
5
Seats
4
Doors
-
Doors
4 - 5
Curb weight
1,205 - 1,270 kg
Curb weight
2,450 - 2,545 kg
Trunk capacity
352 L
Trunk capacity
670 L
Length
-
Length
5,140 mm
Width
1,760 mm
Width
1,928 mm
Height
-
Height
1,975 mm
Max trunk capacity
-
Max trunk capacity
4,630 L
Payload
440 - 445 kg
Payload
555 - 650 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV
Engine Type
Diesel
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
100 - 115 HP
Power HP
163 - 237 HP
Acceleration 0-100km/h
10.7 - 12.1 s
Acceleration 0-100km/h
7.4 - 10.7 s
Max Speed
-
Max Speed
188 - 220 km/h
Torque
172 - 200 Nm
Torque
380 - 500 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
74 - 85 kW
Power kW
120 - 174 kW
Engine capacity
998 cm3
Engine capacity
1,950 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
D
CO2 Efficiency Class
G
Brand
Kia
Brand
Mercedes-Benz
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.