2023 Kia Stonic 1.0 T-GDi GT Line
Price: £13,546. Fair price: £727 (5%) under the AskCar estimate of £14,273, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,703 priced Kia Stonic adverts on AskCar as of 4 November 2026.
AskCar lists 1,716 used Kia Stonic from 801 UK dealerships, as of 4 November 2026.
Overview
- Make: Kia
- Model: Stonic
- Trim: GT Line
- Version: 1.0 T-GDi GT Line Manual FWD Euro 6 (s/s) 5dr (98 bhp)
- Year: 2023
- Mileage: 18,125 miles
- Fuel: Petrol
- Body: SUV, 5 doors, 5 seats
- Engine: 1.0 litres, 98 bhp
- Gearbox: Manual
- Drive: Front-wheel drive
- Colour: Blue
- CO2: 132 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Kia Stonic GT Line has covered 18,125 miles. The AskCar estimate for this car is £14,273. It is priced at £13,546, which is £727 below that estimate. The AskCar estimate uses 1,703 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 56 days ago, and its asking price has since fallen by £744. Its advertised mileage matches the government's MOT record. The seller is Wessex Garages Wessex Kia Cardiff Penarth Road, based in Cardiff. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £727 (5%) under the AskCar estimate of £14,273.
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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 November 2026.
A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 574 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2023 Kia Stonic has been on sale for at least 56 days.
Price history
AskCar first saw this advert on 9 September 2026 at £14,290. Its asking price is now £13,546, £744 less. The latest price cut was seen on 3 November 2026.
Price changes recorded:
- 9 September 2026: £14,290
- 18 September 2026: £14,107
- 26 September 2026: £13,965
- 6 October 2026: £13,997
- 16 October 2026: £14,018
- 24 October 2026: £13,740
- 3 November 2026: £13,546
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 August 2027.
It has had one MOT, on 30 July 2026, and passed.
Advisories at the latest test: items removed from driver's view prior to test dash cam moved; vehicles internal headlight adjuster altered to recheck lights.
Mileage at that test: 17,581 miles, which matches the advertised 18,125 miles.
Advertised mileage is about 1,100 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.
Similar cars
39 other 2023 Kia Stonic GT Line 1.0 petrol manual SUVs are for sale at UK dealers, from £10,710 to £15,665, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 17,200 miles. Price: £14,520, £974 more than this car. Dealer: Allen Motor Group Essex Ford - Rayleigh in Thundersley and South Benfleet. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-fc50f47a993b
- 2023 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 17,109 miles. Price: £14,998, £1,452 more than this car. Dealer: Arnold Clark Motherwell Motorstore in Motherwell. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3e04b2acf05a
- 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 19,452 miles. Price: £13,995, £449 more than this car. Dealer: Fusco Vehicle Sales in Bangor. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-35d4f66e9713
- The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, white, 55 miles from this car. Mileage: 36,231 miles. Price: £12,254, £1,292 less than this car. Dealer: cinch in Exeter. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6d2daf107706
Browse all Kia Stonic cars for sale · 2023 Kia Stonic price guide
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Photos
55 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.