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: 2,672 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: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 Kia Stonic GT Line S has covered 2,672 miles, around 5,000 fewer miles than is typical for its age. Its asking price of £20,995 is £1,475 above the AskCar estimate of £19,520. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 5 days ago. The seller is Gravells, based in Hereford. 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: £1,475 (7%) over the AskCar estimate of £19,520.

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 5 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 28 October 2026 at £20,995. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,000 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: 2,500 miles. Price: £23,990, £2,995 more than this car. Dealer: JCB Kia Bromley in Bromley. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-af903b28f020
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 2,200 miles. Price: £19,803, £1,192 less than this car. Dealer: Vertu Kia Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-7871a3f29758
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, black. Mileage: 1,714 miles. Price: £18,495, £2,500 less than this car. Dealer: Howard-Johnston in Edinburgh. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-ddc1290ed00b