2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £15,295. Fair price: £52 (under 1%) over the AskCar estimate of £15,243, 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: 28,139 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres
  • Gearbox: Automatic (DCT)
  • Drive: Front-wheel drive
  • Colour: White
  • CO2: 129 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 28,139 miles, approximately 9,000 above the typical mileage for its age. Priced at £15,295, it is advertised £52 above the AskCar estimate of £15,243. The AskCar estimate uses UK dealer asking prices, including 1,673 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 158 days ago, the asking price has dropped by £1,200. The seller is Ballyrobert Vauxhall Bangor, based in Bangor. 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: £52 (under 1%) over the AskCar estimate of £15,243.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £16,495. Its asking price is now £15,295, £1,200 less. The latest price cut was seen on 6 October 2026.

Price changes recorded:

  • 28 May 2026: £16,495
  • 5 June 2026: £15,995
  • 2 July 2026: £15,795
  • 4 August 2026: £15,695
  • 5 September 2026: £15,495
  • 6 October 2026: £15,295

Mileage and MOT

Advertised mileage is about 9,000 miles higher 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, black. Mileage: 28,117 miles. Price: £16,498, £1,203 more than this car. Dealer: Arnold Clark Wirral Renault / Dacia in Birkenhead. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c85647060151
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 28,063 miles. Price: £15,999, £704 more than this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3c6d6ab67cf6
  • 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 28,062 miles. Price: £15,495, £200 more than this car. Dealer: Vertu Citroen Derby in Derby. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-294887326cf5
  • The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 18 miles from this car. Mileage: 7,238 miles. Price: £16,495, £1,200 more than this car. Dealer: Sere Used Car Supermarket Lisburn in Lisburn. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f61e51ccd444

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

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Photos

25 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.