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 (118 bhp)
• Year: 2023
• Mileage: 16,735 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 16,735 miles, around 2,400 fewer miles than is typical for its age. The AskCar estimate for this car is £14,464. It is priced at £14,249, which is £215 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. Since we first spotted the advert 13 days ago, the asking price has dropped by £450. Its advertised mileage matches the government's MOT record. The seller is Citygate Kia Slough, based in Slough. 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

Fair price: £215 (1%) under the AskCar estimate of £14,464.

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 13 days.

Price history

AskCar first saw this advert on 22 October 2026 at £14,699. Its asking price is now £14,249, £450 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 22 October 2026: £14,699
• 29 October 2026: £14,498
• 3 November 2026: £14,249

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 11 May 2027.

It has had one MOT, on 14 April 2026, and passed.

Advisories at the latest test: nearside rear tyre has an object embedded in the tyre. unable to determine depth of the cut with the item in place.

Mileage at that test: 8,985 miles, which matches the advertised 16,735 miles.

Advertised mileage is about 2,400 miles lower 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, blue. Mileage: 16,286 miles. Price: £15,197, £948 more than this car. Dealer: Flear & Thomson (DUNFERMLINE) in Dunfermline. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-7a76a9555b54
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 17,276 miles. Price: £14,098, £151 less than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6c63916f90fd
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 17,521 miles. Price: £14,250, the same price as this car. Dealer: Wessex Garages Wessex Nissan, Hyundai and Kia Newport in Newport. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-23ed375a3f89

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, under a mile from this car. Mileage: 26,455 miles. Price: £13,990, £259 less than this car. Dealer: Citygate Kia Slough in Slough. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3b22065d4e33