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: 6,113 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 Kia Stonic GT Line S is advertised with 6,113 miles on the clock. Its asking price of £18,493 is £2,067 below the AskCar estimate of £20,560. The AskCar estimate uses 1,673 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 33 days ago. Its asking price has since fallen by £498. It is advertised by Peter Cooper Kia Hedge End in Southampton. 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: £2,067 (10%) under the AskCar estimate of £20,560.

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 33 days.

Price history

AskCar first saw this advert on 30 September 2026 at £18,991. Its asking price is now £18,493, £498 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 30 September 2026: £18,991
• 20 October 2026: £18,792
• 31 October 2026: £18,493

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,600 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, white. Mileage: 6,000 miles. Price: £18,495, the same price as this car. Dealer: EMG Motor Group Ely Kia in Ely. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-57c04fdbd617
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 6,000 miles. Price: £18,840, £347 more than this car. Dealer: Perrys Burnley in Burnley. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-b31d4f16c66b
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 6,851 miles. Price: £18,995, £502 more than this car. Dealer: Fine Cars in Lee-on-the-Solent. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-e804ec920bbf