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: 18,637 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 has covered 18,637 miles. The AskCar estimate for this car is £16,302. It is priced at £15,500, which is £802 below that estimate. 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 13 days ago. Its asking price has since fallen by £400. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Invicta Chery Chelmsford, based in Chelmsford. 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: £802 (4%) under the AskCar estimate of £16,302.

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 13 days.

Price history

AskCar first saw this advert on 20 October 2026 at £15,900. Its asking price is now £15,500, £400 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 20 October 2026: £15,900
• 29 October 2026: £15,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 23 June 2027.

It has had one MOT, on 17 June 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 18,156 miles, which matches the advertised 18,637 miles.

Advertised mileage is about 500 miles lower 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: 18,833 miles. Price: £15,495, the same price as this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-42fe33dda228
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 18,250 miles. Price: £16,047, £547 more than this car. Dealer: JCT600 Kia Castleford in Castleford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1aa6a9db40ee
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 18,241 miles. Price: £15,611, £111 more than this car. Dealer: Drive Motor Retail drivedirect Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a8285e59486e

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, black, under a mile from this car. Mileage: 30,474 miles. Price: £15,300, £200 less than this car. Dealer: Invicta Chery Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-91da8b551f48