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: 9,760 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

The advertised mileage for this 2025 Kia Stonic GT Line S is 9,760 miles. Its asking price of £18,695 is £63 above the AskCar estimate of £18,632. The AskCar estimate uses UK dealer asking prices, including 1,703 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 26 days. The seller is Grainger Motor Group, based in Cambridge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £63 (under 1%) over the AskCar estimate of £18,632.

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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2025 Kia Stonic has been on sale for at least 26 days.

Price history

AskCar first saw this advert on 9 October 2026 at £18,695. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,000 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 £15,950 to £23,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 9,778 miles. Price: £18,998, £303 more than this car. Dealer: Arnold Clark Glasgow London Road Motorstore / Vanstore in Glasgow. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-03f2dfae53dd
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 9,333 miles. Price: £19,995, £1,300 more than this car. Dealer: Howards Kia Taunton in Taunton. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-5f09e3826899
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 8,600 miles. Price: £21,995, £3,300 more than this car. Dealer: Gatwick Group in Crawley. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-94cb4747997e

• The nearest: 2025 Kia Stonic GT Line S, 1.0 petrol SUV, white, 12 miles from this car. Mileage: 6,000 miles. Price: £18,495, £200 less than this car. Dealer: EMG Motor Group Ely Kia in Ely. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-57c04fdbd617