@ Kia Corporation
@ Mercedes-Benz Group Media
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Kia Niro vs Mercedes A-Class Saloon - Differences and prices compared

Compare performance (180 HP vs 320 HP), boot space and price (29100 £ vs 32700 £) at a glance. Find out which car is the better choice for you – Kia Niro or Mercedes A-Class Saloon?

Kia Niro

5 (1 Reviews)
rate

Mercedes A-Class Saloon

Here’s where it gets real: The technical differences in detail

Niro @ Kia Corporation

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Kia Niro has a to a small extent advantage in terms of price – it starts at 29100 £, while the Mercedes A-Class Saloon costs 32700 £. That’s a price difference of around 3587 £.

Fuel consumption also shows a difference: Mercedes A-Class Saloon manages with 0.70 L and is therefore clearly more efficient than the Kia Niro with 2.40 L. The difference is about 1.70 L per 100 km.

As for range, the Mercedes A-Class Saloon performs evident better – achieving up to 88 km, about 26 km more than the Kia Niro.

A-Class Saloon @ Mercedes-Benz Group Media

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 A-Class Saloon has a clearly edge – offering 320 HP compared to 180 HP. That’s roughly 140 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes A-Class Saloon is significantly quicker – completing the sprint in 4.80 s, while the Kia Niro takes 9.90 s. That’s about 5.10 s faster.

In terms of top speed, the Mercedes A-Class Saloon performs noticeable better – reaching 250 km/h, while the Kia Niro tops out at 185 km/h. The difference is around 65 km/h.

There’s also a difference in torque: Mercedes A-Class Saloon pulls convincingly stronger with 450 Nm compared to 265 Nm. That’s about 185 Nm difference.

Niro @ Kia Corporation

Space and Everyday Use:

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

Seats: offers more seating capacity – vs .

In curb weight, Mercedes A-Class Saloon is barely noticeable lighter – 1450 kg compared to 1474 kg. The difference is around 24 kg.

In terms of boot space, the Kia Niro offers a bit more room – 451 L compared to 395 L. That’s a difference of about 56 L.

When it comes to payload, Mercedes A-Class Saloon slight takes the win – 490 kg compared to 466 kg. That’s a difference of about 24 kg.

Who wins the race?

The Mercedes A-Class Saloon proves to be wins the duel decisively and therefore becomes our DriveDuel Champion!
Mercedes A-Class Saloon is the better all-rounder in this comparison.

from about £32,700
A-Class Saloon @ Mercedes-Benz Group Media

Mercedes A-Class Saloon

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 320 HP
  • Consumption L/100km : 0.7 - 8.1 L
  • Electric Range : 88 km
Kia Niro
Mercedes A-Class Saloon

Costs and Consumption

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Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Kia Niro

5 (1 Reviews)
rate

The Kia Niro blends clever packaging and modern styling into a compact crossover that’s refreshingly sensible for daily life. It’s comfortable, economical and packed with user‑friendly tech, so if you want a fuss‑free family car with a touch of green credibility, the Niro is worth a test drive.

details

Mercedes A-Class Saloon

The Mercedes A‑Class Saloon blends compact practicality with premium flair, wrapping a surprisingly spacious interior in a slick, modern package that feels more grown-up than its hatchback sibling. It’s an ideal choice for city drivers who want Mercedes polish and cutting-edge tech without the ostentation of a larger saloon, and it even manages to make the daily commute feel a little bit special.

details
Kia Niro
Mercedes A-Class Saloon
Niro @ Kia Corporation
A-Class Saloon @ Mercedes-Benz Group Media

Costs and Consumption

Price
29100 - 38600 £
Price
32700 - 55900 £
Consumption L/100km
2.4 - 4.9 L
Consumption L/100km
0.7 - 8.1 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
57 - 62 km
Electric Range
88 km
Battery Capacity
1.3 - 11.1 kWh
Battery Capacity
12.90 kWh
co2
53 - 111 g/km
co2
16 - 184 g/km
Fuel tank capacity
37 - 42 L
Fuel tank capacity
35 - 51 L

Dimensions and Body

Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
4
Curb weight
1474 - 1594 kg
Curb weight
1450 - 1705 kg
Trunk capacity
348 - 451 L
Trunk capacity
345 - 395 L
Length
4420 mm
Length
4558 - 4570 mm
Width
1825 mm
Width
1796 mm
Height
1545 mm
Height
1413 - 1429 mm
Max trunk capacity
1342 - 1445 L
Max trunk capacity
-
Payload
466 kg
Payload
475 - 490 kg

Engine and Performance

Engine Type
Full Hybrid, Plugin Hybrid
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
138 - 180 HP
Power HP
116 - 320 HP
Acceleration 0-100km/h
9.9 - 11.4 s
Acceleration 0-100km/h
4.8 - 9.9 s
Max Speed
170 - 185 km/h
Max Speed
206 - 250 km/h
Torque
265 Nm
Torque
200 - 450 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
102 - 132 kW
Power kW
85 - 235 kW
Engine capacity
1580 cm3
Engine capacity
1332 - 1991 cm3

General

Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
C, B
CO2 Efficiency Class
B, D, G, E
Brand
Kia
Brand
Mercedes-Benz
Is the Kia Niro offered with different drivetrains?

The Kia Niro is available as Front-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.