2023 Kia Stonic 1.0 T-GDi MHEV GT Line S
Price: £15,495. Fair price: £390 (2%) under the AskCar estimate of £15,885, 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: 18,833 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 has covered 18,833 miles. The AskCar estimate for this car is £15,885. It is priced at £15,495, which is £390 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. Since we first spotted the advert 78 days ago, the asking price has dropped by £1,500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is JCB Group Ashford Orbital Kia, based in Ashford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £390 (2%) under the AskCar estimate of £15,885.
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 78 days.
Price history
AskCar first saw this advert on 16 August 2026 at £16,995. Its asking price is now £15,495, £1,500 less. The latest price cut was seen on 31 October 2026.
Price changes recorded:
- 16 August 2026: £16,995
- 12 September 2026: £16,695
- 16 September 2026: £16,495
- 27 September 2026: £15,995
- 30 September 2026: £16,295
- 6 October 2026: £15,995
- 31 October 2026: £15,495
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 24 May 2027.
It has had one MOT, on 6 May 2026, and passed.
Advisories at the latest test: nearside front windscreen wiper blade defective split; offside front windscreen wiper blade defective split.
Mileage at that test: 15,886 miles, which matches the advertised 18,833 miles.
Advertised mileage is about 300 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: 18,637 miles. Price: £15,500, the same price as this car. Dealer: Invicta Chery Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-87d2f40352f9
- 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 19,124 miles. Price: £16,995, £1,500 more than this car. Dealer: Hawkins in Northwich. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-9289b8ec3987
- 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 19,177 miles. Price: £15,660, £165 more than this car. Dealer: Evans Halshaw Ford Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0c692e777634
- The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 4,393 miles. Price: £17,495, £2,000 more than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-08de974495a2
Browse all Kia Stonic cars for sale · 2023 Kia Stonic price guide
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Photos
53 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.