2023 Kia Stonic 1.0 GT Line S

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line S
• Version: 1.0 T-GDi GT Line S DCT FWD Euro 6 5dr
• Year: 2023
• Mileage: 18,527 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: White
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 18,527 miles. The dealer is asking £16,650, which is £522 above the AskCar estimate of £16,128. To work out the AskCar estimate, we analyse UK dealer adverts for 1,707 Kia Stonic cars across different ages and specifications. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is TMS Kia Leicester, based in Leicester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £522 (3%) over the AskCar estimate of £16,128.

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 1,707 priced Kia Stonic adverts across different ages and specifications, as of 10 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,700: the median of the 574 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2023 Kia Stonic advertised today. About 4 in 10 of 2023 Kia Stonic cars are gone from sale within a month of being advertised: 367 of the 910 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £16,650. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 29 September 2027.

It has had one MOT, on 15 September 2026, and passed.

Advisories at the latest test: front vehicles internal headlight adjuster altered to recheck lights; nearside front tyre has a cut but not deep enough to reach the ply or cords; nearside rear shock absorbers has light misting of oil.

Mileage at that test: 17,377 miles, which matches the advertised 18,527 miles.

Advertised mileage is about 700 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

181 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 10 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 18,424 miles. Price: £16,995, £345 more than this car. Dealer: Dover Garage Aldershot in Aldershot. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-49533053514b
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 18,637 miles. Price: £16,274, £376 less than this car. Dealer: cinch in Chelmsford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-4b472dfc1326
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 18,250 miles. Price: £15,844, £806 less than this car. Dealer: JCT600 Kia Castleford in Castleford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1aa6a9db40ee

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, black, under a mile from this car. Mileage: 11,049 miles. Price: £16,495, £155 less than this car. Dealer: TMS Kia Leicester in Leicester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-07f06c04663a