VS

Kia Niro vs Mercedes A Class comparison

Compare performance (138 HP vs 421 HP), boot space and price (29,100 £ vs 32,600 £ ) at a glance. Find out which car is the better choice for you – Kia Niro or Mercedes A Class?

Kia Niro vs Mercedes A Class: Key differences

Kia Niro

4.5 (2 Reviews)
rate
  • slightly cheaper
details

Mercedes A Class

2.7 (1 Reviews)
rate
  • clearly more power
  • substantially more efficient
  • significantly quicker 0–100 km/h
  • only slightly lighter
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

Niro

Costs and Efficiency:

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

Kia Niro is slightly cheaper – starting at 29,100 £ , while the Mercedes A Class costs 32,600 £ . That’s a price difference of around 3,434 £.

Fuel consumption also shows a difference: the Mercedes A Class uses 2.3 L/100km and is substantially more efficient than the Kia Niro with 4.5 L/100km. The difference is about 2.2 L/100km.

A Class

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes A Class offers clearly more power – delivering 421 HP compared to 138 HP. That’s roughly 283 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes A Class is significantly quicker – completing the sprint in 3.9 s, while the Kia Niro takes 11.1 s. That’s about 7.2 s quicker.

There’s also a difference in torque: the Mercedes A Class delivers clearly 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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes A Class is only slightly lighter – 1,440 kg compared to 1,474 kg. The difference is around 34 kg.

When it comes to payload, the Mercedes A Class carries only slightly more – 485 kg compared to 466 kg. That’s a difference of about 19 kg.

Who wins the race in the data check?

The Mercedes A Class is clearly superior 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 £32,600
A Class

Mercedes A Class

  • Engine Type : Petrol MHEV, Diesel, Plugin Hybrid, Petrol
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 421 HP
  • Consumption L/100km : 2.3 - 9 L/100km
  • Electric Range : 85 km
details

Frequently compared as well

Mercedes A Class
Mercedes B Class
VS
The Mercedes A‑Class is the sporty, tech‑savvy compact that thrills with sharp handling and a slick cockpit, while the Mercedes B‑Class trades a bit of attitude for towering practicality, roomier seats and a more useful boot. Choose the A‑Class if you want driving fun and style; pick the B‑Class if …
Kia Niro
Kia XCeed
VS
It's the compact-crossover face-off that asks whether you crave wallet-friendly efficiency or a bit more personality: the Kia Niro goes toe-to-toe with the Kia XCeed. One is all about hybrid thrift and everyday practicality; the other flirts with sharper styling and a livelier drive — both sensible …
Kia Niro
Mercedes A Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Kia Niro

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
Kia_Niro_HEV_08
Kia_Niro_HEV_24
Kia_Niro_HEV_22
Kia_Niro_HEV_05
Kia_Niro_HEV_13

Reviews Kia Niro

4.5 (2 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 A Class

The Mercedes A‑Class arrives as a compact charmer that dresses premium materials and a cockpit full of screens in a tidy, city-friendly package, delivering surprising agility and poise. For buyers who want a luxury badge, clever tech and a car that's equally happy in tight streets or on a spirited country run, the A‑Class offers a grown-up feel with a cheeky streak.

details
18C0292_008
18C0292_010
18C0292_042
18C0291_067
18C0122_04

Reviews Mercedes A Class

2.7 (1 Reviews)
rate

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

Frequently compared as well

Mercedes A Class
Mercedes GLA
VS
The Mercedes A‑Class is the sharper, more driver-focused hatch that feels nimble and refined on twisty roads, while the Mercedes GLA trades a bit of agility for SUV practicality with a higher ride height, extra luggage space and a commanding view of the road. Pick the A‑Class for sporty handling, …
Hyundai Kona
Kia Niro
VS
The Hyundai Kona and Kia Niro are two popular compact crossovers that appeal to buyers deciding between sportier looks and practical efficiency. Though they share similar underpinnings and offer hybrid and electric options, they differ in driving dynamics, interior space, and feature priorities — …
Kia Niro
Kia Stonic
VS
The Kia Niro and Kia Stonic step into the compact crossover ring with very different tricks up their sleeves — the Niro is the sensible, efficiency-first all-rounder, while the Stonic is the cheeky, city-savvy funster with a pocket-sized personality. Which one suits your life — long motorway miles …
Honda Jazz
Kia Niro
VS
Honda Jazz and Kia Niro go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Kia Niro
Suzuki Vitara
VS
In the ever-growing compact SUV market, the Kia Niro and Suzuki Vitara stand out with their distinct offerings. The Niro impresses with its hybrid efficiency and spacious interior, making it a practical choice for eco-conscious buyers. In contrast, the Suzuki Vitara delivers a more rugged appeal, …
Kia EV3
Kia Niro
VS
The Kia EV3 arrives like a tech-savvy upstart — all-electric, sharp to drive and crammed with the latest infotainment and safety kit, ideal if you want a compact crossover that feels like the future. The Niro, meanwhile, stays the sensible all‑rounder: proven, roomy and available as a hybrid, …
Ford Kuga
Kia Niro
VS
In the increasingly competitive compact SUV segment, the Ford Kuga and Kia Niro both offer distinct advantages to potential buyers. The Ford Kuga impresses with its dynamic handling and advanced infotainment system, making it an appealing choice for those who value a spirited driving experience. …
Honda HR-V
Kia Niro
VS
In the compact SUV arena, the Honda HR-V impresses with its spacious interior, sleek design, and reliable performance, making it a favorite for urban adventurers. Meanwhile, the Kia Niro stands out with its eco-friendly hybrid and electric options, providing a green alternative without sacrificing …
Kia Niro
Mercedes A Class

Costs and Consumption
Price
29,100 - 33,800 £
Price
32,600 - 66,500 £
Consumption L/100km
4.5 - 4.9 L/100km
Consumption L/100km
2.3 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
85 km
Battery Capacity
-
Battery Capacity
-
co2
102 - 111 g/km
co2
53 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,474 kg
Curb weight
1,440 - 1,695 kg
Trunk capacity
-
Trunk capacity
310 - 350 L
Length
-
Length
-
Width
1,825 mm
Width
1,796 - 1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
466 kg
Payload
450 - 485 kg

Engine and Performance
Engine Type
Full Hybrid
Engine Type
Petrol MHEV, Diesel, Plugin Hybrid, Petrol
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 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
11.1 - 11.4 s
Acceleration 0-100km/h
3.9 - 9.7 s
Max Speed
-
Max Speed
-
Torque
265 Nm
Torque
200 - 500 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
102 kW
Power kW
85 - 310 kW
Engine capacity
1,580 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
C
CO2 Efficiency Class
D, E, B, 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.