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 DCT FWD Euro 6 (s/s) 5dr (98 bhp)
• Year: 2025
• Mileage: 18,064 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 98 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 Kia Stonic GT Line S is advertised with 18,064 miles, approximately 10,400 above the typical mileage for its age. Priced at £15,950, it is advertised £1,916 below the AskCar estimate of £17,866. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 3 days. The seller is South Croydon Motor Centre, based in Kenley. 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

Good value: £1,916 (10%) under the AskCar estimate of £17,866.

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

AskCar first saw this 2025 Kia Stonic advertised 3 days ago. 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 30 October 2026 at £15,950. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 10,400 miles higher 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 £15,995 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: 16,623 miles. Price: £17,210, £1,260 more than this car. Dealer: JCT600 Kia Castleford in Castleford. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-7b3f486aaf04
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 16,307 miles. Price: £17,790, £1,840 more than this car. Dealer: All Electric BYD Stourbridge in Stourbridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-0912b8c98e3a
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 14,040 miles. Price: £18,998, £3,048 more than this car. Dealer: Arnold Clark Cumbernauld Kia in Cumbernauld. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-f7d52dde7c2d

• The nearest: 2025 Kia Stonic GT Line S, 1.0 petrol SUV, white, 7 miles from this car. Mileage: 2,500 miles. Price: £23,990, £8,040 more than this car. Dealer: JCB Kia Bromley in Bromley. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-af903b28f020