2025 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: 2025
• Mileage: 5,000 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

With 5,000 miles on the clock, this 2025 Kia Stonic GT Line S has done roughly 2,700 fewer miles than a typical 2025 Kia Stonic. The AskCar estimate for this car is £20,770. It is priced at £23,850, which is £3,080 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 111 days, and its asking price has been cut by £1,145. It is advertised by Gatwick Group in Crawley. 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: £3,080 (14%) over the AskCar estimate of £20,770.

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 2025 Kia Stonic with the 1.0 petrol engine is typically advertised at £17,000: the median of the 125 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2025 Kia Stonic has been on sale for at least 111 days, and its asking price has been cut by £1,145. About half of 2025 Kia Stonic cars are gone from sale within a month of being advertised: 111 of the 207 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 14 July 2026 at £24,995. Its asking price is now £23,850, £1,145 less. The latest price cut was seen on 9 September 2026.

Price changes recorded:

• 14 July 2026: £24,995
• 18 August 2026: £24,795
• 9 September 2026: £23,850

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,700 miles lower than the median mileage of a 2025 Kia Stonic on AskCar.

Similar cars

29 other 2025 Kia Stonic GT Line S 1.0 petrol automatic SUVs are for sale at UK dealers, from £15,950 to £23,990, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 4,775 miles. Price: £18,295, £5,555 less than this car. Dealer: Acorn Kia Macclesfield in Macclesfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-8a669ee5b96f
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 4,487 miles. Price: £19,295, £4,555 less than this car. Dealer: JCB Kia Ebbsfleet in Northfleet. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-d26214d28e07
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 4,400 miles. Price: £19,975, £3,875 less than this car. Dealer: Vertu Kia Bradford in Bradford. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-136fcadd9b9a

• The nearest: 2025 Kia Stonic GT Line S, 1.0 petrol SUV, red, under a mile from this car. Mileage: 8,600 miles. Price: £21,995, £1,855 less than this car. Dealer: Gatwick Group in Crawley. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-94cb4747997e