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Audi A3 Sportback vs Kia Niro comparison

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

Audi A3 Sportback vs Kia Niro: Key differences

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • very slightly cheaper
  • substantially more power
  • significantly more efficient
  • substantially quicker 0–100 km/h
  • only slightly lighter
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Kia Niro

4.5 (3 Reviews)
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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

A3 Sportback

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 significantly more efficient than the Kia Niro with 4.5 L/100km. The difference is about 3.4 L/100km.

Niro

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 Audi A3 Sportback offers substantially 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 substantially 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.

A3 Sportback

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi A3 Sportback is only slightly lighter – 1,360 kg compared to 1,474 kg. The difference is around 114 kg.

When it comes to payload, the Audi A3 Sportback carries only slightly 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 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 £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

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)
rate

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

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.

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Kia Niro

Costs and Consumption
Price
27,000 - 92,900 £
Price
29,100 - 33,800 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
4.5 - 4.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
134 - 141 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
25 - 211 g/km
co2
102 - 111 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,360 - 1,685 kg
Curb weight
1,474 kg
Trunk capacity
280 - 380 L
Trunk capacity
-
Length
-
Length
-
Width
1,816 - 1,851 mm
Width
1,825 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 - 480 kg
Payload
466 kg

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

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
C
Brand
Audi
Brand
Kia
What drive types are available for the Audi A3 Sportback?

The Audi A3 Sportback is available as Front-Wheel Drive or All-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.