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 Manual FWD Euro 6 (s/s) 5dr
• Year: 2023
• Mileage: 23,700 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 23,700 miles, around 4,500 more miles than is typical for its age. Priced at £15,500, it is advertised £1,194 above the AskCar estimate of £14,306. The AskCar estimate uses UK dealer asking prices, including 1,703 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 160 days ago. Its asking price has since fallen by £1,000. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Proven (Haslemere) in Waverley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,194 (8%) over the AskCar estimate of £14,306.

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 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £16,500. Its asking price is now £15,500, £1,000 less. The latest price cut was seen on 16 June 2026.

Price changes recorded:

• 28 May 2026: £16,500
• 16 June 2026: £15,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 June 2027.

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

There were no advisories at the latest test.

Mileage at that test: 23,616 miles, which matches the advertised 23,700 miles.

Advertised mileage is about 4,500 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

103 other 2023 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £10,060 to £16,495, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 23,688 miles. Price: £13,595, £1,905 less than this car. Dealer: Charles Hurst Kia Newtownabbey in Newtownabbey. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-49c461e448a4
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 23,713 miles. Price: £15,295, £205 less than this car. Dealer: Waylands Kia Reading in West End. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-40433d33dc22
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 23,633 miles. Price: £14,394, £1,106 less than this car. Dealer: Citygate KIA & ORA High Wycombe in High Wycombe. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-dfd49cc87f9f

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 27 miles from this car. Mileage: 9,000 miles. Price: £15,995, £495 more than this car. Dealer: Eclipse Car Sales in Winchester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-68186e42f183