2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £15,924. Fair price: £856 (5%) over the AskCar estimate of £15,068, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,685 priced Kia Stonic adverts on AskCar as of 8 November 2026.

AskCar lists 1,733 used Kia Stonic from 809 UK dealerships, as of 8 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: 30,474 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 30,474 miles, approximately 11,200 above the typical mileage for its age. The AskCar estimate for this car is £15,068. It is priced at £15,924, which is £856 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,685 Kia Stonic cars across different ages and specifications. We first recorded this advert 2 days ago, and its asking price has since fallen by £150. Its advertised mileage matches the government's MOT record. The seller is cinch, based in Chelmsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £856 (5%) over the AskCar estimate of £15,068.

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 1,685 priced Kia Stonic adverts across different ages and specifications, as of 8 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,700: the median of the 559 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2023 Kia Stonic advertised 2 days ago. About 4 in 10 of 2023 Kia Stonic cars are gone from sale within a month of being advertised: 358 of the 879 first advertised between 11 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £16,074. Its asking price is now £15,924, £150 less. The latest price cut was seen on 7 November 2026.

Price changes recorded:

  • 6 November 2026: £16,074
  • 7 November 2026: £15,924

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 4 September 2027.

It has had one MOT, on 13 August 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 29,249 miles, which matches the advertised 30,474 miles.

Advertised mileage is about 11,200 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

170 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 8 November 2026.

The 3 closest to this car in mileage:

  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 30,560 miles. Price: £15,498, £426 less than this car. Dealer: Arnold Clark Glasgow Garscube Road Vauxhall / Leapmotor in Glasgow. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1a6fe647d07a
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 29,101 miles. Price: £14,999, £925 less than this car. Dealer: EMG Motor Group Thetford Kia in Thetford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-60f3c6449ef2
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 31,955 miles. Price: £15,399, £525 less than this car. Dealer: NK Motors in Nottingham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-20d20adad41f
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, under a mile from this car. Mileage: 18,637 miles. Price: £16,274, £350 more than this car. Dealer: cinch in Chelmsford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-4b472dfc1326

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

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Photos

33 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.