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 Manual FWD Euro 6 (s/s) 5dr (98 bhp)
• Year: 2025
• Mileage: 6,405 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 98 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 128 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2025 Kia Stonic GT Line S is 6,405 miles. Its asking price of £17,499 is £387 above the AskCar estimate of £17,112. To work out the AskCar estimate, we analyse UK dealer adverts for 1,699 Kia Stonic cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 162 days, and its asking price is down £1,500. The seller is EMG Motor Group Thetford Kia, based in Thetford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £387 (2%) over the AskCar estimate of £17,112.

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 1,699 priced Kia Stonic adverts across different ages and specifications, as of 7 November 2026.

A 2025 Kia Stonic with the 1.0 petrol engine is typically advertised at £16,800: the median of the 121 for sale on AskCar, as of 7 November 2026.

Time on sale

The dealer may accept less. This 2025 Kia Stonic has been on sale for at least 162 days, and its asking price has been cut by £1,500. About half of 2025 Kia Stonic cars are gone from sale within a month of being advertised: 114 of the 219 first advertised between 11 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 29 May 2026 at £18,999. Its asking price is now £17,499, £1,500 less. The latest price cut was seen on 15 September 2026.

Price changes recorded:

• 29 May 2026: £18,999
• 31 July 2026: £18,499
• 15 September 2026: £17,499

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,400 miles lower than the median mileage of a 2025 Kia Stonic on AskCar.

Similar cars

6 other 2025 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £14,000 to £18,495, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 6,161 miles. Price: £17,495, the same price as this car. Dealer: Westdrive Kia in Braintree. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-3fc30573086a
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 3,868 miles. Price: £18,495, £996 more than this car. Dealer: Westdrive Kia in Braintree. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-7c96bc057547
• 2025 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 3,700 miles. Price: £17,995, £496 more than this car. Dealer: FJ Chalke - Nissan, Yeovil in Yeovil. AskCar page: https://askcar.co.uk/car/kia-stonic-2025-29c9ba14afca