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Audi A5 Avant vs Kia K4 - Differences and prices compared

Compare performance (367 HP vs 180 HP), boot space and price (40200 £ vs 25700 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Avant or Kia K4?

Audi A5 Avant

Kia K4

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

A5 Avant

Costs and Efficiency:

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

Kia K4 has a decisively advantage in terms of price – it starts at 25700 £ , while the Audi A5 Avant costs 40200 £ . That’s a price difference of around 14452 £.

Fuel consumption also shows a difference: Audi A5 Avant manages with 2.10 L and is therefore decisively more efficient than the Kia K4 with 5.80 L. The difference is about 3.70 L per 100 km.

A5 Avant

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 A5 Avant has a significantly edge – offering 367 HP compared to 180 HP. That’s roughly 187 HP more horsepower.

In acceleration from 0 to 100 km/h, the Audi A5 Avant is convincingly quicker – completing the sprint in 4.50 s, while the Kia K4 takes 8.40 s. That’s about 3.90 s faster.

There’s also a difference in torque: Audi A5 Avant pulls convincingly stronger with 550 Nm compared to 265 Nm. That’s about 285 Nm difference.

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A5 Avant

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Kia K4 offers somewhat more seating capacity – 5 vs 4.

In curb weight, Kia K4 is noticeable lighter – 1415 kg compared to 1785 kg. The difference is around 370 kg.

In terms of boot space, the Audi A5 Avant offers slight more room – 476 L compared to 438 L. That’s a difference of about 38 L.

When it comes to payload, Audi A5 Avant a bit takes the win – 535 kg compared to 455 kg. That’s a difference of about 80 kg.

Who wins the race in the data check?

The Audi A5 Avant sits 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.

Audi A5 Avant
Kia K4

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £40,200
A5 Avant

Audi A5 Avant

  • Engine Type : Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 150 - 367 HP
  • Consumption L/100km : 2.1 - 7.7 L
  • Electric Range : 104 - 108 km
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Audi A5 Avant

The Audi A5 Avant dresses like a sleek coupe but carries like a sensible estate, offering buyers a rare blend of glamour and everyday practicality. Inside, the cabin feels beautifully sorted and the drive is composed and engaging, making routine errands feel a touch more enjoyable than they have any right to be.

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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 Audi A5 Avant

Reviews Kia K4

Top Car Comparisons

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Costs and Consumption
Price
40200 - 70000 £
Price
25700 - 32800 £
Consumption L/100km
2.1 - 7.7 L
Consumption L/100km
5.8 - 6.9 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
104 - 108 km
Electric Range
-
Battery Capacity
20.70 kWh
Battery Capacity
-
co2
47 - 175 g/km
co2
132 - 155 g/km
Fuel tank capacity
46 - 60 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
Hatchback
Seats
4
Seats
5
Doors
5
Doors
-
Curb weight
1785 - 2185 kg
Curb weight
1415 - 1500 kg
Trunk capacity
361 - 476 L
Trunk capacity
328 - 438 L
Length
4829 - 4835 mm
Length
-
Width
1860 mm
Width
1850 mm
Height
1444 - 1460 mm
Height
-
Max trunk capacity
1306 - 1424 L
Max trunk capacity
-
Payload
480 - 535 kg
Payload
435 - 455 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Petrol, Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
150 - 367 HP
Power HP
115 - 180 HP
Acceleration 0-100km/h
4.5 - 9.8 s
Acceleration 0-100km/h
8.4 - 12.3 s
Max Speed
214 - 250 km/h
Max Speed
-
Torque
280 - 550 Nm
Torque
200 - 265 Nm
Number of Cylinders
4 - 6
Number of Cylinders
3 - 4
Power kW
110 - 270 kW
Power kW
85 - 132 kW
Engine capacity
1968 - 2995 cm3
Engine capacity
998 - 1598 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
D, E
Brand
Audi
Brand
Kia

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What drive types are available for the Audi A5 Avant?

The Audi A5 Avant is offered with All-Wheel Drive or Front-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.