2025 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: 2025
• Mileage: 4,671 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

At 4,671 miles, this 2025 Kia Stonic GT Line has covered about 3,000 fewer miles than other 2025 Kia Stonic cars. Priced at £17,499, it is advertised £681 below the AskCar estimate of £18,180. 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 38 days ago. Its asking price has since fallen by £800. It is advertised by Available Car Supermarket - Castle Donington in Castle Donnington. 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: £681 (3%) under the AskCar estimate of £18,180.

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

This 2025 Kia Stonic has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £18,299. Its asking price is now £17,499, £800 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 25 September 2026: £18,299
• 9 October 2026: £17,999
• 23 October 2026: £17,699
• 30 October 2026: £17,499

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,000 miles lower than the median mileage of a 2025 Kia Stonic on AskCar.

Similar cars

26 other 2025 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £15,220 to £24,598, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2025 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 4,515 miles. Price: £18,331, £832 more than this car. Dealer: Brindley Garages Brindley Kia Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-ef2a4ad7c115
• 2025 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 4,047 miles. Price: £17,990, £491 more than this car. Dealer: Perrys Barnsley in Barnsley. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-55b0ff20651f
• 2025 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 3,966 miles. Price: £19,295, £1,796 more than this car. Dealer: RRG Kia Bury in Bury. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-dd19ad1cfe29

• The nearest: 2025 Kia Stonic GT Line, 1.0 petrol SUV, black, 7 miles from this car. Mileage: 14,609 miles. Price: £17,472, the same price as this car. Dealer: TMS Loughborough Kia in Loughborough. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-04acbb7d0443