2023 Kia Stonic 1.0 T-GDi MHEV GT Line S
Price: £14,990. Fair price: £705 (4%) under the AskCar estimate of £15,695, 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: 21,555 miles
- Fuel: Petrol, mild hybrid
- Body: SUV, 5 doors, 5 seats
- Engine: 1.0 litres
- Gearbox: Automatic (DCT)
- Drive: Front-wheel drive
- Colour: Grey
- CO2: 129 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Kia Stonic GT Line S is advertised with 21,555 miles, approximately 2,400 above the typical mileage for its age. Its asking price of £14,990 is £705 below the AskCar estimate of £15,695. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 54 days ago, and its asking price has since fallen by £1,500. Its advertised mileage matches the government's MOT record. The seller is Trust Ford Birmingham, based in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £705 (4%) under the AskCar estimate of £15,695.
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 54 days.
Price history
AskCar first saw this advert on 9 September 2026 at £16,490. Its asking price is now £14,990, £1,500 less. The latest price cut was seen on 23 October 2026.
Price changes recorded:
- 9 September 2026: £16,490
- 2 October 2026: £15,790
- 15 October 2026: £15,490
- 23 October 2026: £14,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 April 2027.
It has had one MOT, on 14 April 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 19,068 miles, which matches the advertised 21,555 miles.
Advertised mileage is about 2,400 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, grey. Mileage: 21,294 miles. Price: £15,599, £609 more than this car. Dealer: Hendy Car Store Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-e049ca4eb2b5
- 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 21,855 miles. Price: £16,291, £1,301 more than this car. Dealer: Peter Cooper Kia Hedge End in Hedge End. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3546596d16c9
- 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 21,241 miles. Price: £15,995, £1,005 more than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-9436b182479a
- The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 8 miles from this car. Mileage: 66,694 miles. Price: £11,995, £2,995 less than this car. Dealer: Rox Cars in Aldridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1875fef108f4
Browse all Kia Stonic cars for sale · 2023 Kia Stonic price guide
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Photos
40 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.