2023 Kia Stonic 1.0 T-GDi GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi GT Line DCT FWD Euro 6 (s/s) 5dr (98 bhp)
• Year: 2023
• Mileage: 86,997 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 98 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line is advertised with 86,997 miles, approximately 67,900 above the typical mileage for its age. The AskCar estimate for this car is £9,893. It is priced at £13,900, which is £4,007 above 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. Since we first spotted the advert 9 days ago, the asking price has dropped by £201. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Quality Part X Dunstable, based in Dunstable. 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

Above the going rate: £4,007 (40%) over the AskCar estimate of £9,893.

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 9 days.

Price history

AskCar first saw this advert on 24 October 2026 at £14,101. Its asking price is now £13,900, £201 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 24 October 2026: £14,101
• 27 October 2026: £14,000
• 29 October 2026: £13,996
• 31 October 2026: £13,900

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 July 2027.

It failed its MOT on 13 July 2026 (nearside front brake lining(s) less than 1.5 mm thick) and passed 1 day later, on 14 July 2026.

Advisories at the latest test: offside rear tyre worn close to legal limit/worn on edge.

Mileage at that test: 82,571 miles, which matches the advertised 86,997 miles.

Advertised mileage is about 67,900 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

60 other 2023 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £10,809 to £17,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line, 1.0 petrol SUV, white. Mileage: 74,000 miles. Price: £10,809, £3,091 less than this car. Dealer: FM Motor Co in Wembley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3a08f770f068
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 49,596 miles. Price: £13,475, £425 less than this car. Dealer: JMV Cars Ltd of Shorne in Gravesend. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-28410e460309
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 46,580 miles. Price: £13,699, £201 less than this car. Dealer: Alan Day (Colindale) (London) in London. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-ac9788ded796

• The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, blue, 2 miles from this car. Mileage: 9,840 miles. Price: £15,995, £2,095 more than this car. Dealer: Brayleys Cars Brayley KIA Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-4214f72141bd