2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £15,999. Fair price: £611 (3%) over the AskCar estimate of £15,388, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,703 priced Kia Stonic adverts on AskCar as of 4 November 2026.

AskCar lists 1,716 used Kia Stonic from 801 UK dealerships, as of 4 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: 26,031 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 26,031 miles, approximately 6,900 above the typical mileage for its age. The AskCar estimate for this car is £15,388. It is priced at £15,999, which is £611 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. Since we first spotted the advert 84 days ago, the asking price has dropped by £1,000. We checked its advertised mileage against the government's MOT record, and they match. The seller is Fife Mitsubishi Kirkcaldy, based in Kirkcaldy. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £611 (3%) over the AskCar estimate of £15,388.

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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 574 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 84 days.

Price history

AskCar first saw this advert on 12 August 2026 at £16,999. Its asking price is now £15,999, £1,000 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

  • 12 August 2026: £16,999
  • 9 September 2026: £16,500
  • 10 September 2026: £16,499
  • 14 October 2026: £15,999

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 18 May 2027.

It has had one MOT, on 20 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 25,337 miles, which matches the advertised 26,031 miles.

Advertised mileage is about 6,900 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

175 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 4 November 2026.

The 3 closest to this car in mileage:

  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 25,832 miles. Price: £15,795, £204 less than this car. Dealer: OMC Kia Oldham in Oldham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-85a9798777e6
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 25,263 miles. Price: £14,995, £1,004 less than this car. Dealer: EMG Kia South Cambridge in Cambridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1c8d72439620
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 26,867 miles. Price: £15,950, the same price as this car. Dealer: Fish Brothers Kia in Swindon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-8ab5f76bc15a
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 3 miles from this car. Mileage: 19,956 miles. Price: £16,498, £499 more than this car. Dealer: Arnold Clark Kirkcaldy MG in Kirkcaldy. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-92fac9a752dd

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

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Photos

54 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.