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Kia Niro vs Audi A3 Sportback comparison

Compare performance (138 HP vs 400 HP), boot space and price (29,100 £ vs 27,000 £ ) at a glance. Find out which car is the better choice for you – Kia Niro or Audi A3 Sportback?

Kia Niro vs Audi A3 Sportback: Key differences

Kia Niro

4.5 (3 Reviews)
rate
  • somewhat more trunk space
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Audi A3 Sportback

3.9 (1 Reviews)
rate
  • very slightly cheaper
  • considerably more power
  • clearly more efficient
  • significantly quicker 0–100 km/h
  • barely lighter
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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:

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.

Audi A3 Sportback is very slightly cheaper – starting at 27,000 £ , while the Kia Niro costs 29,100 £ . That’s a price difference of around 2,134 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is clearly more efficient than the Kia Niro with 4.5 L/100km. The difference is about 3.4 L/100km.

A3 Sportback

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 Audi A3 Sportback offers considerably more power – delivering 400 HP compared to 138 HP. That’s roughly 262 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Sportback is significantly quicker – completing the sprint in 3.8 s, while the Kia Niro takes 11.1 s. That’s about 7.3 s quicker.

There’s also a difference in torque: the Audi A3 Sportback 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, Audi A3 Sportback is barely lighter – 1,360 kg compared to 1,474 kg. The difference is around 114 kg.

Looking at boot space, the Kia Niro offers somewhat more boot space – 451 L compared to 380 L. That’s a difference of about 71 L.

When it comes to payload, the Audi A3 Sportback carries marginally more – 480 kg compared to 466 kg. That’s a difference of about 14 kg.

Who wins the race in the data check?

The Audi A3 Sportback is decisively ahead 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 £27,000
A3 Sportback

Audi A3 Sportback

  • Engine Type Petrol, Petrol MHEV, Diesel, Plugin Hybrid
  • Transmission Manuel, Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 400 HP
  • Consumption L/100km 1.1 - 9.3 L/100km
  • Electric Range 134 - 141 km
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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.

Audi A3 Sportback

The Audi A3 Sportback wraps premium materials and crisp German design into a practical hatchback package that makes daily driving feel smart rather than showy. It’s nimble in the city, composed on longer trips, and carries just enough swagger to satisfy buyers who want quality without shouting about it.

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Reviews Audi A3 Sportback

3.9 (1 Reviews)
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No reviews yet. Share your experience and help others decide.

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Costs and Consumption
Price
29,100 - 33,800 £
Price
27,000 - 92,900 £
Consumption L/100km
4.5 - 4.9 L/100km
Consumption L/100km
1.1 - 9.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
134 - 141 km
Battery Capacity
-
Battery Capacity
-
co2
102 - 111 g/km
co2
25 - 211 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
1,360 - 1,685 kg
Trunk capacity
451 L
Trunk capacity
280 - 380 L
Length
-
Length
-
Width
1,825 mm
Width
1,816 - 1,851 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
466 kg
Payload
410 - 480 kg

Engine and Performance
Engine Type
Full Hybrid
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
138 HP
Power HP
116 - 400 HP
Acceleration 0-100km/h
11.1 - 11.4 s
Acceleration 0-100km/h
3.8 - 10.1 s
Max Speed
-
Max Speed
-
Torque
265 Nm
Torque
220 - 500 Nm
Number of Cylinders
4
Number of Cylinders
4 - 5
Power kW
102 kW
Power kW
85 - 294 kW
Engine capacity
1,580 cm3
Engine capacity
1,498 - 2,480 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
C
CO2 Efficiency Class
D, F, E, G, B
Brand
Kia
Brand
Audi
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.