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: 40,508 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

This 2023 Kia Stonic GT Line S is advertised with 40,508 miles, approximately 21,200 above the typical mileage for its age. The AskCar estimate for this car is £14,176. It is priced at £14,499, which is £323 above that estimate. The AskCar estimate draws on 1,711 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. The government's MOT record matches its advertised mileage. It is advertised by cinch Corby in North Northamptonshire. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Fair price: £323 (2%) over the AskCar estimate of £14,176.

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 1,711 priced Kia Stonic adverts across different ages and specifications, as of 11 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,600: the median of the 579 for sale on AskCar, as of 11 November 2026.

Time on sale

AskCar first saw this 2023 Kia Stonic advertised today. About 4 in 10 of 2023 Kia Stonic cars are gone from sale within a month of being advertised: 370 of the 919 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £14,499. 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 11 November 2026: valid until 5 November 2027.

It has had 2 MOTs. The latest, on 6 November 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 40,507 miles, which matches the advertised 40,508 miles.

Advertised mileage is about 21,200 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

186 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 11 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 40,583 miles. Price: £14,290, £209 less than this car. Dealer: Saltmarine Cars in Dungannon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-f4705004f1f5
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 40,365 miles. Price: £13,720, £779 less than this car. Dealer: Evans Halshaw MG York in York. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-8f4131a8e1c9
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 40,810 miles. Price: £14,799, £300 more than this car. Dealer: Bridgend Motor Group in Gateshead. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-38901d8e4f99

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, under a mile from this car. Mileage: 13,247 miles. Price: £15,899, £1,400 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5ca65140ff18