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Audi A3 Sportback vs Kia K4 comparison

Compare performance (400 HP vs 180 HP), boot space and price (27,000 £ vs 24,800 £ ) at a glance. Find out which car is the better choice for you – Audi A3 Sportback or Kia K4?

Audi A3 Sportback vs Kia K4: Key differences

Audi A3 Sportback

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

Kia K4

  • very slightly cheaper
  • markedly more trunk space

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

A3 Sportback

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Kia K4 is very slightly cheaper – starting at 24,800 £ , while the Audi A3 Sportback costs 27,000 £ . That’s a price difference of around 2,238 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is significantly more efficient than the Kia K4 with 5.8 L/100km. The difference is about 4.7 L/100km.

K4

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 substantially more power – delivering 400 HP compared to 180 HP. That’s roughly 220 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Sportback is clearly quicker – completing the sprint in 3.8 s, while the Kia K4 takes 8.4 s. That’s about 4.6 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:

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 only slightly lighter – 1,360 kg compared to 1,415 kg. The difference is around 55 kg.

Looking at boot space, the Kia K4 offers markedly more boot space – 604 L compared to 380 L. That’s a difference of about 224 L.

When it comes to payload, the Audi A3 Sportback carries barely more – 480 kg compared to 455 kg. That’s a difference of about 25 kg.

Who wins the race in the data check?

The Audi A3 Sportback stands well ahead of its rival 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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Kia K4

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)
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Kia K4

Kia K4 shakes up the compact-sedan crowd with concept-car looks, a smartly packaged cabin, and the kind of easygoing refinement that makes rush hour feel less like a chore. It blends value, tech, and a dash of attitude, serving up a smooth, confident drive that might have you taking the long way home just to show off those angles.

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Reviews Kia K4

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Kia K4

Costs and Consumption
Price
27,000 - 56,600 £
Price
24,800 - 34,200 £
Consumption L/100km
1.1 - 9.3 L/100km
Consumption L/100km
5.8 - 7.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
134 - 141 km
Electric Range
-
Battery Capacity
19.7 kWh
Battery Capacity
-
co2
25 - 211 g/km
co2
132 - 161 g/km
Fuel tank capacity
40 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Hatchback, Estate
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,360 - 1,685 kg
Curb weight
1,415 - 1,540 kg
Trunk capacity
280 - 380 L
Trunk capacity
328 - 604 L
Length
4,352 - 4,353 mm
Length
-
Width
1,816 - 1,851 mm
Width
1,850 mm
Height
1,441 - 1,470 mm
Height
-
Max trunk capacity
1,100 L
Max trunk capacity
-
Payload
410 - 480 kg
Payload
435 - 455 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Engine Type
Petrol, Petrol MHEV
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 400 HP
Power HP
115 - 180 HP
Acceleration 0-100km/h
3.8 - 10.1 s
Acceleration 0-100km/h
8.4 - 12.3 s
Max Speed
225 - 237 km/h
Max Speed
-
Torque
220 - 500 Nm
Torque
200 - 265 Nm
Number of Cylinders
4 - 5
Number of Cylinders
3 - 4
Power kW
85 - 294 kW
Power kW
85 - 132 kW
Engine capacity
1,498 - 2,480 cm3
Engine capacity
998 - 1,598 cm3

General
Model Year
2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, F, E, G, B
CO2 Efficiency Class
D, E, F
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.