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Kia Niro vs Mercedes Marco Polo comparison

Compare performance (138 HP vs 237 HP), boot space and price (29,100 £ vs 57,500 £ ) at a glance. Find out which car is the better choice for you – Kia Niro or Mercedes Marco Polo?

Kia Niro vs Mercedes Marco Polo: Key differences

Kia Niro

4.5 (3 Reviews)
rate
  • considerably cheaper
  • significantly more efficient
  • clearly lighter
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Mercedes Marco Polo

  • substantially more power
  • considerably quicker 0–100 km/h
  • visibly 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

Niro

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.

Kia Niro is considerably cheaper – starting at 29,100 £ , while the Mercedes Marco Polo costs 57,500 £ . That’s a price difference of around 28,351 £.

Fuel consumption also shows a difference: the Kia Niro uses 4.5 L/100km and is significantly more efficient than the Mercedes Marco Polo with 7.4 L/100km. The difference is about 2.9 L/100km.

Marco Polo

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 Mercedes Marco Polo offers substantially more power – delivering 237 HP compared to 138 HP. That’s roughly 99 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes Marco Polo is considerably quicker – completing the sprint in 7.4 s, while the Kia Niro takes 11.1 s. That’s about 3.7 s quicker.

There’s also a difference in torque: the Mercedes Marco Polo delivers considerably more torque with 500 Nm compared to 265 Nm. That’s about 235 Nm more.

Niro

Space and Everyday Use:

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

Seats: Kia Niro offers more seats – 5 vs 4.

In terms of curb weight, Kia Niro is clearly lighter – 1,474 kg compared to 2,450 kg. The difference is around 976 kg.

Looking at boot space, the Mercedes Marco Polo offers visibly more boot space – 670 L compared to 451 L. That’s a difference of about 219 L.

When it comes to payload, the Mercedes Marco Polo carries markedly more – 650 kg compared to 466 kg. That’s a difference of about 184 kg.

Who wins the race in the data check?

The Kia Niro is far ahead 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 £29,100
Niro

Kia Niro

  • Engine Type Full Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 138 HP
  • Consumption L/100km 4.5 - 4.9 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 Niro

The Kia Niro is a practical crossover that blends economy and everyday versatility without sacrificing comfort. With a roomy, well-laid-out cabin and calm, composed handling, it’s an easy-to-live-with choice for commuters and families.

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Reviews Kia Niro

4.5 (3 Reviews)
rate
Archi
25 Mar 2026, 13:11:41

Efficient, functional, understated, spacious and comfortable. No surprises: it delivers what it promises and does its job without fanfare. Good buy.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Wolfgang Schäfer
21 Oct 2025, 14:01:32

I've been driving the Kia Niro since 2019 and am still very happy with this car.

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

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Mercedes Marco Polo

Costs and Consumption
Price
29,100 - 33,800 £
Price
57,500 - 82,600 £
Consumption L/100km
4.5 - 4.9 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
102 - 111 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
1,474 kg
Curb weight
2,450 - 2,545 kg
Trunk capacity
451 L
Trunk capacity
670 L
Length
-
Length
5,140 mm
Width
1,825 mm
Width
1,928 mm
Height
-
Height
1,975 mm
Max trunk capacity
-
Max trunk capacity
4,630 L
Payload
466 kg
Payload
555 - 650 kg

Engine and Performance
Engine Type
Full Hybrid
Engine Type
Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
138 HP
Power HP
163 - 237 HP
Acceleration 0-100km/h
11.1 - 11.4 s
Acceleration 0-100km/h
7.4 - 10.7 s
Max Speed
-
Max Speed
188 - 220 km/h
Torque
265 Nm
Torque
380 - 500 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
102 kW
Power kW
120 - 174 kW
Engine capacity
1,580 cm3
Engine capacity
1,950 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
C
CO2 Efficiency Class
G
Brand
Kia
Brand
Mercedes-Benz
What drive types are available for the Kia Niro?

The Kia Niro 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.