By clicking a retailer link you consent to third-party cookies that track your onward journey. This enables W? to receive an affiliate commission if you make a purchase, which supports our mission to be the UK's consumer champion.

KiaK4 (2026-)

  • Available new
  • Medium Hatchback
  • Petrol/Diesel/Mild hybrid
£26,795Typical price
Test score

where to buy or sell

The version of this car that we've reviewed might not be available to buy through all listed retailer links. For more options, see our guides on where to buy a car and how to sell a car.

  1. Auto Trader (buy or sell)
  2. Carwow (buy or sell)
  3. Motorway (sell only)
Compare car insurance

Find the right policy for your vehicle using the service provided by MoneySuperMarket

By clicking a retailer link you consent to third-party cookies that track your onward journey. This enables W? to receive an affiliate commission if you make a purchase, which supports our mission to be the UK's consumer champion.

Sign up to unlock the full expert review

The Kia K4 is the Korean company’s successor to the Ceed. Launched in 2025 and available on UK roads from 2026, it’s exclusively available with petrol engines, and is Kia’s competitor in the hotly contested medium-sized hatchback market. Can it beat key rivals like the Mazda 3, Peugeot 308 and Volkswagen Golf? Find out our full Kia K4 review.

pros

Content has been blurred out, please log in to view.

cons

Content has been blurred out, please log in to view.

What's included?

  • What is it?
  • What’s it like to drive?
  • What’s the performance like?
  • How reliable are Kia petrol and diesel cars?
  • How comfortable and spacious is it?
  • How economical is it to run?
  • How safe is it?
  • Should I buy it?
KEY TEST RESULTS
Comfort and practicality
Brand reliability 0-4 years
  • Aug 2026First reviewed by Which?
  • Sept 2025Released

Suggested Alternatives

Seat Leon (2020-)

Seat

Leon (2020-)

  • Available new
  • Medium Hatchback
  • Petrol/Diesel/Mild hybrid
£19,453Typical price
Test score
Volkswagen Golf (2020-)

Volkswagen

Golf (2020-)

  • Available new
  • Medium Hatchback
  • Petrol/Diesel/Mild hybrid
  • 2020 model + 2024 update tested
£27,360Typical price
Test score
Cupra Leon (2021-)

Cupra

Leon (2021-)

  • Available new
  • Medium Hatchback
  • Petrol/Diesel/Mild hybrid
£27,518Typical price
Test score