2023 Kia Stonic 1.0 T-GDi GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi 99 GT Line DCT FWD Euro 6 5dr (99 bhp)
• Year: 2023
• Mileage: 19,991 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 99 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line has covered 19,991 miles. The dealer is asking £14,399, which is £774 below the AskCar estimate of £15,173. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. The asking price is now £1,300 lower than when we first recorded the advert 72 days ago. It is for sale at cinch in Grantham. 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: £774 (5%) under the AskCar estimate of £15,173.

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 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 558 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 72 days.

Price history

AskCar first saw this advert on 22 August 2026 at £15,699. Its asking price is now £14,399, £1,300 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 22 August 2026: £15,699
• 28 August 2026: £15,799
• 4 September 2026: £15,699
• 11 September 2026: £15,499
• 23 September 2026: £15,199
• 1 October 2026: £15,299
• 10 October 2026: £15,099
• 16 October 2026: £14,999
• 22 October 2026: £14,899
• 28 October 2026: £14,399

Mileage and MOT

Advertised mileage is about 900 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

60 other 2023 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £10,809 to £17,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line, 1.0 petrol SUV, yellow. Mileage: 19,679 miles. Price: £14,299, £100 less than this car. Dealer: HPL Preston in Preston. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b442603fb329
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, white. Mileage: 18,834 miles. Price: £16,495, £2,096 more than this car. Dealer: Brayleys Cars Brayley Honda Enfield in Enfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-dda71f189e3a
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, white. Mileage: 21,815 miles. Price: £15,291, £892 more than this car. Dealer: Sutton Park Sutton Coldfield in Sutton Coldfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-08ca5aaeb68d

• The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, yellow, 30 miles from this car. Mileage: 44,664 miles. Price: £15,495, £1,096 more than this car. Dealer: Boongate Kia in Peterborough. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c6b70082b2ef