2023 Kia Stonic 1.0 GT Line S
Version: 1.0 T-GDi GT Line S DCT FWD Euro 6 5dr
Price: £16,411. Fair price: £36 (under 1%) under the AskCar estimate of £16,447, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,686 priced Kia Stonic adverts on AskCar as of 30 October 2026.
AskCar lists 1,705 used Kia Stonic from 788 UK dealerships, as of 30 October 2026.
Overview
- Make
- Kia
- Model
- Stonic
- Trim
- GT Line S
- Version
- 1.0 T-GDi GT Line S DCT FWD Euro 6 5dr
- Mileage
- 18,024 miles
- Year
- 2023
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 1.0 L
- Gearbox
- Automatic
- Seats
- 5
- CO2
- 129 g/km
- Colour
- Black
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- DCT
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
This 2023 Kia Stonic GT Line S has covered 18,024 miles. The AskCar estimate for this car is £16,447. It is priced at £16,411, which is £36 below that estimate. The AskCar estimate uses 1,686 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 1 day ago. Its asking price has since fallen by £166. MOT records show an expiry date of 3 September 2027, and the latest recorded mileage is consistent with the advert. The seller is Citygate KIA & ORA High Wycombe, based in High Wycombe.
Stock data as of 30 October 2026.
Price history
AskCar first saw this advert on 29 October 2026, 1 day ago. Price reduced by £166 from £16,577 since AskCar first saw it. 1 price reduction recorded, the latest seen on 30 October 2026.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £16,577 |
| 30 October 2026 | £16,411 |
Price and mileage comparison
Fair price: £36 (under 1%) under the AskCar estimate of £16,447.
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 1,686 priced Kia Stonic adverts across different ages and specifications, as of 30 October 2026.
Advertised mileage is about 700 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 3 September 2027. 17,500 miles at the last test.
Other matching cars
174 other 2023 Kia Stonic GT Line S automatic petrol cars are for sale at UK dealers from £11,395 to £18,120, as of 30 October 2026.
The 5 cheapest:
- 2023 Kia Stonic. Price: £11,395. Mileage: 22,433 miles. Dealer: Top Gear Harrow in Harrow. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1b39233c7122
- 2023 Kia Stonic. Price: £11,895. Mileage: 61,777 miles. Dealer: Lloyd South Lakes Kia in Kendal. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-76c941c308fd
- 2023 Kia Stonic. Price: £12,500. Mileage: 69,255 miles. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c019fff23807
- 2023 Kia Stonic. Price: £12,950. Mileage: 65,429 miles. Dealer: Beech Garage Car Sales in Liverpool. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6fbb60ef53ee
- 2023 Kia Stonic. Price: £12,995. Mileage: 51,005 miles. Dealer: Rox Cars in Aldridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-e86ee0428c62
The 174 matching cars have covered 2,658 to 69,255 miles, compared with 18,024 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
28 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 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.