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: 12,738 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 12,738 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 6,400 fewer miles than a typical 2023 Kia Stonic. The dealer is asking £15,690, which is £623 below the AskCar estimate of £16,313. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. The asking price is now £740 lower than when we first recorded the advert 49 days ago. Its advertised mileage matches the government's MOT record. The seller is Evans Halshaw Citroen Doncaster, based in Doncaster. 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: £623 (3%) under the AskCar estimate of £16,313.

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 49 days.

Price history

AskCar first saw this advert on 16 September 2026 at £16,430. Its asking price is now £15,690, £740 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 16 September 2026: £16,430
• 22 September 2026: £16,390
• 25 September 2026: £16,290
• 29 September 2026: £16,270
• 7 October 2026: £16,110
• 13 October 2026: £16,070
• 21 October 2026: £15,970
• 27 October 2026: £15,690

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 September 2027.

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

There were no advisories at the latest test.

Mileage at that test: 12,305 miles, which matches the advertised 12,738 miles.

Advertised mileage is about 6,400 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

175 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 12,686 miles. Price: £16,250, £560 more than this car. Dealer: Grainger Motor Group in King's Lynn. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-37a61d283a1e
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 12,666 miles. Price: £16,998, £1,308 more than this car. Dealer: Arnold Clark Paisley Fiat / Abarth in Paisley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-be4c48ed39b6
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 12,510 miles. Price: £16,700, £1,010 more than this car. Dealer: Murray Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-014047ef1c0d

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red, 12 miles from this car. Mileage: 10,069 miles. Price: £15,879, £189 more than this car. Dealer: Perrys Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5780dfbc4bd4