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: 10,316 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 10,316 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 8,800 fewer miles than a typical 2023 Kia Stonic. The AskCar estimate for this car is £16,915. It is priced at £16,863, which is £52 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,673 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 40 days ago. Its asking price has since fallen by £804. We checked its advertised mileage against the government's MOT record, and they match. The seller is TMS Kia Leicester, based in Leicester. 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: £52 (under 1%) under the AskCar estimate of £16,915.

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 40 days.

Price history

AskCar first saw this advert on 23 September 2026 at £17,667. Its asking price is now £16,863, £804 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 23 September 2026: £17,667
• 6 October 2026: £17,346
• 14 October 2026: £16,990
• 28 October 2026: £16,863

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 4 May 2027.

It has had one MOT, on 5 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 8,496 miles, which matches the advertised 10,316 miles.

Advertised mileage is about 8,800 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: 10,399 miles. Price: £17,495, £632 more than this car. Dealer: Group 1 Kia Coulsdon in Coulsdon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1ab19bdf2150
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 10,405 miles. Price: £17,495, £632 more than this car. Dealer: Llandudno Kia in Llandudno. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1b2c32f823d3
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 10,472 miles. Price: £15,990, £873 less than this car. Dealer: The Donalds Group Donalds Kia Bury St Edmunds in Bury St Edmunds. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b1bf0427cf00

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, black, under a mile from this car. Mileage: 11,049 miles. Price: £16,805, £58 less than this car. Dealer: TMS Kia Leicester in Leicester. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-07f06c04663a