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: 16,307 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 is advertised with 16,307 miles, approximately 8,500 above the typical mileage for its age. The AskCar estimate for this car is £18,015. It is priced at £17,790, which is £225 below that estimate. The AskCar estimate draws on 1,701 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 39 days ago, and its asking price has since fallen by £200. The seller is All Electric BYD Stourbridge, based in Stourbridge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £225 (1%) under the AskCar estimate of £18,015.

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 1,701 priced Kia Stonic adverts across different ages and specifications, as of 5 November 2026.

A 2025 Kia Stonic with the 1.0 petrol engine is typically advertised at £17,000: the median of the 124 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2025 Kia Stonic has been on sale for at least 39 days.

Price history

AskCar first saw this advert on 27 September 2026 at £17,990. Its asking price is now £17,790, £200 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 27 September 2026: £17,990
• 30 October 2026: £17,790

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 8,500 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 5 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, £580 less 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, black. Mileage: 18,064 miles. Price: £15,950, £1,840 less than this car. Dealer: South Croydon Motor Centre in Kenley. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-61376fe46d99
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 14,040 miles. Price: £18,998, £1,208 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, grey, 15 miles from this car. Mileage: 4,900 miles. Price: £19,795, £2,005 more than this car. Dealer: Startin BYD (Redditch) in Redditch. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-cea4913a5b4c