2023 Kia Stonic 1.0 T-GDi MHEV GT Line S

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: 18,637 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

The advertised mileage for this 2023 Kia Stonic GT Line S is 18,637 miles. Its asking price of £16,274 is £363 above the AskCar estimate of £15,911. The AskCar estimate uses UK dealer asking prices, including 1,701 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 2 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is cinch, based in Chelmsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £363 (2%) over the AskCar estimate of £15,911.

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 1,701 priced Kia Stonic adverts across different ages and specifications, as of 5 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 575 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2023 Kia Stonic advertised 2 days ago. About 4 in 10 of 2023 Kia Stonic cars are gone from sale within a month of being advertised: 348 of the 855 first advertised between 11 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £16,274. 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 5 November 2026: valid until 23 June 2027.

It has had one MOT, on 17 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,156 miles, which matches the advertised 18,637 miles.

Advertised mileage is about 300 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

176 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 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 18,833 miles. Price: £15,495, £779 less than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-42fe33dda228
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 18,424 miles. Price: £16,995, £721 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, yellow. Mileage: 18,250 miles. Price: £15,844, £430 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: 30,474 miles. Price: £15,300, £974 less than this car. Dealer: Invicta Chery Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-91da8b551f48