2025 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 Manual FWD Euro 6 (s/s) 5dr (98 bhp)
• Year: 2025
• Mileage: 21,379 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 98 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 Kia Stonic GT Line S is advertised with 21,379 miles, approximately 13,600 above the typical mileage for its age. The dealer is asking £15,495, which is £259 below the AskCar estimate of £15,754. To work out the AskCar estimate, we analyse UK dealer adverts for 1,699 Kia Stonic cars across different ages and specifications. We have tracked this advert for 1 day. The seller is JCB Group Ashford Orbital Kia, based in Ashford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £259 (1%) under the AskCar estimate of £15,754.

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 1,699 priced Kia Stonic adverts across different ages and specifications, as of 7 November 2026.

A 2025 Kia Stonic with the 1.0 petrol engine is typically advertised at £16,800: the median of the 121 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2025 Kia Stonic advertised 1 day ago. About half of 2025 Kia Stonic cars are gone from sale within a month of being advertised: 114 of the 219 first advertised between 11 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £15,495. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 13,600 miles higher than the median mileage of a 2025 Kia Stonic on AskCar.

Similar cars

6 other 2025 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £14,000 to £18,495, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, black. Mileage: 19,000 miles. Price: £15,995, £500 more than this car. Dealer: T Wall Approved in Kingswinford. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-b8fccffca975
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 25,000 miles. Price: £14,000, £1,495 less than this car. Dealer: Cramlington Ford in Cramlington. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-af58dc7771ea
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, black. Mileage: 6,405 miles. Price: £17,499, £2,004 more than this car. Dealer: EMG Motor Group Thetford Kia in Thetford. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-1bc441748841

• The nearest: 2025 Kia Stonic GT Line S, 1.0 petrol SUV, white, 53 miles from this car. Mileage: 6,161 miles. Price: £17,495, £2,000 more than this car. Dealer: Westdrive Kia in Braintree. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-3fc30573086a