2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £15,990. Fair price: £495 (3%) under the AskCar estimate of £16,485, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,673 priced Kia Stonic adverts on AskCar as of 2 November 2026.

AskCar lists 1,701 used Kia Stonic from 788 UK dealerships, as of 2 November 2026.

Overview

  • Make: Kia
  • Model: Stonic
  • Trim: GT Line S
  • Version: 1.0 T-GDi Mhev GT Line S DCT FWD Euro 6 (s/s) 5dr
  • Year: 2023
  • Mileage: 10,472 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 10,472 miles, around 8,600 fewer miles than is typical for its age. The AskCar estimate for this car is £16,485. It is priced at £15,990, which is £495 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,673 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 37 days ago. Its asking price has since fallen by £1,546. The government's MOT record matches its advertised mileage. You can find this car at The Donalds Group Donalds Kia Bury St Edmunds in Bury St. Edmunds. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £495 (3%) under the AskCar estimate of £16,485.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,673 priced Kia Stonic adverts across different ages and specifications, as of 2 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 558 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 37 days.

Price history

AskCar first saw this advert on 26 September 2026 at £17,536. Its asking price is now £15,990, £1,546 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

  • 26 September 2026: £17,536
  • 7 October 2026: £16,990
  • 16 October 2026: £16,790
  • 23 October 2026: £16,390
  • 30 October 2026: £15,990

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 February 2027.

It has had one MOT, on 26 February 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 8,964 miles, which matches the advertised 10,472 miles.

Advertised mileage is about 8,600 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

171 other 2023 Kia Stonic GT Line S 1.0 petrol automatic SUVs are for sale at UK dealers, from £11,395 to £17,998, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 10,405 miles. Price: £17,495, £1,505 more than this car. Dealer: Llandudno Kia in Llandudno. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1b2c32f823d3
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 10,399 miles. Price: £17,495, £1,505 more than this car. Dealer: Group 1 Kia Coulsdon in Coulsdon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1ab19bdf2150
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 10,580 miles. Price: £15,070, £920 less than this car. Dealer: Evans Halshaw Ford Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-e07a11a546d2
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 1 miles from this car. Mileage: 18,241 miles. Price: £15,611, £379 less than this car. Dealer: Drive Motor Retail drivedirect Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a8285e59486e

Browse all Kia Stonic cars for sale · 2023 Kia Stonic price guide

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Photos

21 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.