2025 Kia Stonic 1.0 T-GDi GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi GT Line DCT FWD Euro 6 5dr
• Year: 2025
• Mileage: 12,514 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: White
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 Kia Stonic GT Line is advertised with 12,514 miles, approximately 4,800 above the typical mileage for its age. The AskCar estimate for this car is £17,957. It is priced at £16,595, which is £1,362 below that estimate. The AskCar estimate uses 1,708 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. This car has been on sale for at least 170 days, and its asking price has been cut by £2,900. The seller is Bells Kia Bedford, based in Bedford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,362 (7%) under the AskCar estimate of £17,957.

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 1,708 priced Kia Stonic adverts across different ages and specifications, as of 14 November 2026.

A 2025 Kia Stonic with the 1.0 petrol engine is typically advertised at £16,800: the median of the 119 for sale on AskCar, as of 14 November 2026.

Time on sale

The dealer may accept less. This 2025 Kia Stonic has been on sale for at least 170 days, and its asking price has been cut by £2,900. About half of 2025 Kia Stonic cars are gone from sale within a month of being advertised: 112 of the 215 first advertised between 14 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 28 May 2026 at £19,495. Its asking price is now £16,595, £2,900 less. The latest price cut was seen on 12 November 2026.

Price changes recorded:

• 17 July 2026: £19,495
• 11 August 2026: £18,995
• 23 August 2026: £18,850
• 6 September 2026: £18,650
• 24 September 2026: £17,995
• 8 October 2026: £17,495
• 12 October 2026: £17,250
• 23 October 2026: £16,995
• 30 October 2026: £16,745
• 12 November 2026: £16,595

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,800 miles higher than the median mileage of a 2025 Kia Stonic on AskCar.

Similar cars

22 other 2025 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £15,560 to £24,598, as of 14 November 2026.

The 3 closest to this car in mileage:

• 2025 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 12,000 miles. Price: £15,990, £605 less than this car. Dealer: ET motor group in High Ongar. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-4de60359032e
• 2025 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 11,927 miles. Price: £16,998, £403 more than this car. Dealer: Arnold Clark Kilmarnock Peugeot Jeep Leapmotor in Kilmarnock. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-4493fb96a30d
• 2025 Kia Stonic GT Line, 1.0 petrol SUV, grey. Mileage: 11,734 miles. Price: £17,695, £1,100 more than this car. Dealer: Grainger Motor Group in Cambridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-47420cbc16b8