2023 Kia Stonic 1.0 T-GDi MHEV GT Line S
Version: 1.0 T-GDi Mhev GT Line S Manual FWD Euro 6 (s/s) 5dr
Price: £14,529. Fair price: £97 (under 1%) under the AskCar estimate of £14,626, 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 1 November 2026.
AskCar lists 1,704 used Kia Stonic from 786 UK dealerships, as of 1 November 2026.
Overview
- Make
- Kia
- Model
- Stonic
- Trim
- GT Line S
- Version
- 1.0 T-GDi Mhev GT Line S Manual FWD Euro 6 (s/s) 5dr
- Mileage
- 17,921 miles
- Year
- 2023
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 1.0 L
- Gearbox
- Manual
- Seats
- 5
- CO2
- 127 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Engine badge
- T-GDi; MHEV
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
The advertised mileage for this 2023 Kia Stonic GT Line S is 17,921 miles. Priced at £14,529, it is advertised £97 below the AskCar estimate of £14,626. To work out the AskCar estimate, we analyse UK dealer adverts for 1,685 Kia Stonic cars across different ages and specifications. We first saw this car advertised 36 days ago. Its asking price has since fallen by £311. MOT records show an expiry date of 30 May 2027, and the latest recorded mileage is consistent with the advert. The seller is Allen Motor Group Milton Keynes Kia, based in Milton Keynes.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 26 September 2026, 36 days ago. Price reduced by £311 from £14,840 since AskCar first saw it. 5 price reductions recorded, the latest seen on 31 October 2026.
| Date observed | Asking price |
|---|---|
| 26 September 2026 | £14,840 |
| 5 October 2026 | £14,767 |
| 11 October 2026 | £14,735 |
| 22 October 2026 | £14,627 |
| 25 October 2026 | £14,572 |
| 31 October 2026 | £14,529 |
| 1 November 2026 | £14,529 |
Price and mileage comparison
Fair price: £97 (under 1%) under the AskCar estimate of £14,626.
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 1 November 2026.
Advertised mileage is about 900 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 30 May 2027. 17,177 miles at the last test.
Other matching cars
101 other 2023 Kia Stonic GT Line S manual petrol cars are for sale at UK dealers from £10,060 to £16,495, as of 1 November 2026.
The 5 cheapest:
- 2023 Kia Stonic. Price: £10,060. Mileage: 67,107 miles. Dealer: Evans Halshaw MG York in York. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-06fd324f0f0f
- 2023 Kia Stonic. Price: £10,396. Mileage: 69,170 miles. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-11d4c0b52505
- 2023 Kia Stonic. Price: £10,995. Mileage: 47,759 miles. Dealer: AutoClarity in Southport. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-029aa020e8f7
- 2023 Kia Stonic. Price: £11,100. Mileage: 58,991 miles. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-afe0cd82acfc
- 2023 Kia Stonic. Price: £11,200. Mileage: 54,601 miles. Dealer: Sonny Adams Motor Company in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a8005b0cb357
The 101 matching cars have covered 1 to 75,162 miles, compared with 17,921 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Kia Stonic cars for sale · 2023 Kia Stonic price guide
More like this
Photos
30 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.