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: 15,680 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Red
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 15,680 miles, this 2023 Kia Stonic GT Line S has covered about 3,400 fewer miles than other 2023 Kia Stonic cars. The dealer is asking £14,698, which is £109 below the AskCar estimate of £14,807. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. We first recorded this advert 93 days ago, and its asking price has since fallen by £1,300. Its advertised mileage matches the government's MOT record. The seller is Arnold Clark Stafford Motorstore / BYD / Vanstore, based in Stafford. 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: £109 (under 1%) under the AskCar estimate of £14,807.

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 93 days.

Price history

AskCar first saw this advert on 1 August 2026 at £15,998. Its asking price is now £14,698, £1,300 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 1 August 2026: £15,998
• 4 September 2026: £15,498
• 20 October 2026: £14,698

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 29 June 2027.

It failed its MOT on 15 June 2026 (offside front tyre has a bulge, caused by separation or partial failure of its structure) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 15,063 miles, which matches the advertised 15,680 miles.

Advertised mileage is about 3,400 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

102 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 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 15,731 miles. Price: £11,484, £3,214 less than this car. Dealer: Quayside Cars in Gloucester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-39f06f1da8a4
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 15,920 miles. Price: £15,990, £1,292 more than this car. Dealer: Furrows Used Car Centre Telford in Telford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-01193856c7d1
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 16,286 miles. Price: £15,197, £499 more than this car. Dealer: Flear & Thomson (DUNFERMLINE) in Dunfermline. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-7a76a9555b54

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 31,609 miles. Price: £13,998, £700 less than this car. Dealer: Arnold Clark Stafford Motorstore / BYD / Vanstore in Stafford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-4d8d552a976c