@ Kia Corporation
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Kia Niro vs Mazda 3 Sedan - Differences and prices compared

Compare performance (180 HP vs 186 HP), boot space and price (29100 £ vs 25000 £) at a glance. Find out which car is the better choice for you – Kia Niro or Mazda 3 Sedan?

Kia Niro

5 (1 Reviews)
rate

Mazda 3 Sedan

4.7 (1 Reviews)
rate

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

Niro @ Kia Corporation

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mazda 3 Sedan has a slightly advantage in terms of price – it starts at 25000 £, while the Kia Niro costs 29100 £. That’s a price difference of around 4157 £.

Fuel consumption also shows a difference: Kia Niro manages with 2.40 L and is therefore decisively more efficient than the Mazda 3 Sedan with 5.50 L. The difference is about 3.10 L per 100 km.

Niro @ Kia Corporation

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 Mazda 3 Sedan has a slight edge – offering 186 HP compared to 180 HP. That’s roughly 6 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mazda 3 Sedan is clearly perceptible quicker – completing the sprint in 8.10 s, while the Kia Niro takes 9.90 s. That’s about 1.80 s faster.

In terms of top speed, the Mazda 3 Sedan performs slightly better – reaching 216 km/h, while the Kia Niro tops out at 185 km/h. The difference is around 31 km/h.

There’s also a difference in torque: Kia Niro pulls hardly perceptible stronger with 265 Nm compared to 240 Nm. That’s about 25 Nm difference.

Niro @ Kia Corporation

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: offers more seating capacity – vs .

In curb weight, Mazda 3 Sedan is hardly perceptible lighter – 1420 kg compared to 1474 kg. The difference is around 54 kg.

In terms of boot space, the Kia Niro offers barely noticeable more room – 451 L compared to 450 L. That’s a difference of about 1 L.

When it comes to payload, Mazda 3 Sedan hardly perceptible takes the win – 481 kg compared to 466 kg. That’s a difference of about 15 kg.

Who comes out on top?

Overall, the Kia Niro shows itself to be wins the duel decisively and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £29,100
Niro @ Kia Corporation

Kia Niro

  • Engine Type : Full Hybrid, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 138 - 180 HP
  • Consumption L/100km : 2.4 - 4.9 L
  • Electric Range : 57 - 62 km
Kia Niro
Mazda 3 Sedan

Costs and Consumption

View detailed analysis

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

Mazda 3 Sedan

4.7 (1 Reviews)
rate

The Mazda 3 Sedan dresses like a compact premium car, with sculpted lines and an interior that punches well above its class. It rewards drivers with eager handling and a composed, comfortable ride that turns routine runs into something a bit more enjoyable — proof that style and substance can share the same key.

details
Kia Niro
Mazda 3 Sedan
Niro @ Kia Corporation

Costs and Consumption

Price
29100 - 38600 £
Price
25000 - 34200 £
Consumption L/100km
2.4 - 4.9 L
Consumption L/100km
5.5 - 6.1 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
57 - 62 km
Electric Range
-
Battery Capacity
1.3 - 11.1 kWh
Battery Capacity
-
co2
53 - 111 g/km
co2
123 - 135 g/km
Fuel tank capacity
37 - 42 L
Fuel tank capacity
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
1420 - 1492 kg
Trunk capacity
348 - 451 L
Trunk capacity
450 L
Length
4420 mm
Length
4660 mm
Width
1825 mm
Width
1795 mm
Height
1545 mm
Height
1440 mm
Max trunk capacity
1342 - 1445 L
Max trunk capacity
-
Payload
466 kg
Payload
467 - 481 kg

Engine and Performance

Engine Type
Full Hybrid, Plugin Hybrid
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
138 - 180 HP
Power HP
140 - 186 HP
Acceleration 0-100km/h
9.9 - 11.4 s
Acceleration 0-100km/h
8.1 - 9.8 s
Max Speed
170 - 185 km/h
Max Speed
203 - 216 km/h
Torque
265 Nm
Torque
238 - 240 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
102 - 132 kW
Power kW
103 - 137 kW
Engine capacity
1580 cm3
Engine capacity
1998 - 2488 cm3

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
C, B
CO2 Efficiency Class
D
Brand
Kia
Brand
Mazda
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.