2023 Kia Stonic 1.0 GT Line S

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line S
• Version: 1.0 T-GDi GT Line S DCT FWD Euro 6 5dr
• Year: 2023
• Mileage: 40,810 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

At 40,810 miles, this 2023 Kia Stonic GT Line S has covered about 21,700 more miles than other 2023 Kia Stonic cars. Priced at £14,799, it is advertised £190 above the AskCar estimate of £14,609. The AskCar estimate uses 1,673 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 62 days ago. Its asking price has since fallen by £200. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Bridgend Motor Group in Gateshead. 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: £190 (1%) over the AskCar estimate of £14,609.

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 62 days.

Price history

AskCar first saw this advert on 1 September 2026 at £14,999. Its asking price is now £14,799, £200 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 1 September 2026: £14,999
• 16 October 2026: £14,799

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 16 August 2027.

It failed its MOT on 13 August 2026 (front brake pad(s) less than 1.5 mm thick) and passed 4 days later, on 17 August 2026.

Advisories at the latest test: front number plate split.

Mileage at that test: 40,809 miles, which matches the advertised 40,810 miles.

Advertised mileage is about 21,700 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: 41,051 miles. Price: £14,799, the same price as this car. Dealer: Bridgend Motor Group in Gateshead. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-37a3db49d87c
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 40,365 miles. Price: £13,930, £869 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, blue. Mileage: 38,909 miles. Price: £13,995, £804 less than this car. Dealer: Rox Cars in Aldridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-84bce32ed4a3