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: 20,310 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 20,310 miles on the clock. The dealer is asking £15,998, which is £217 above the AskCar estimate of £15,781. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. Since we first spotted the advert 136 days ago, the asking price has dropped by £1,300. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Winsford Vauxhall, based in Winsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £217 (1%) over the AskCar estimate of £15,781.

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 1,673 priced Kia Stonic adverts across different ages and specifications, as of 2 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 558 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 136 days.

Price history

AskCar first saw this advert on 19 June 2026 at £17,298. Its asking price is now £15,998, £1,300 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 19 June 2026: £17,298
• 22 July 2026: £16,998
• 21 August 2026: £16,798
• 17 September 2026: £16,298
• 23 October 2026: £15,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 25 May 2027.

It has had one MOT, on 26 May 2026, and passed.

Advisories at the latest test: central front tyre worn close to legal limit/worn on edge edge tread blocks starting to break up; TPMS warning lamp illuminated throughout inspection.

Mileage at that test: 20,053 miles, which matches the advertised 20,310 miles.

Advertised mileage is about 1,200 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

171 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 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 19,956 miles. Price: £16,498, £500 more than this car. Dealer: Arnold Clark Kirkcaldy MG in Kirkcaldy. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-92fac9a752dd
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 19,935 miles. Price: £16,250, £252 more than this car. Dealer: Brayleys Cars Brayley KIA Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-361a05bdb6c4
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 19,912 miles. Price: £16,595, £597 more than this car. Dealer: Waylands Kia Reading in West End. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-053805fe9011

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 5 miles from this car. Mileage: 10,908 miles. Price: £17,995, £1,997 more than this car. Dealer: Hawkins in Northwich. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3f56c8ae81cd