2023 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 (s/s) 5dr (98 bhp)
• Year: 2023
• Mileage: 6,153 miles
• Fuel: Petrol
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 98 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 135 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line is advertised with 6,153 miles, approximately 13,000 below the typical mileage for its age. The AskCar estimate for this car is £16,054. It is priced at £15,491, which is £563 below that estimate. The AskCar estimate draws on 1,673 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 128 days ago, the asking price has dropped by £1,500. The seller is Cardiff Trade Sales, based in Cardiff. 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: £563 (3%) under the AskCar estimate of £16,054.

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 128 days.

Price history

AskCar first saw this advert on 27 June 2026 at £16,991. Its asking price is now £15,491, £1,500 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 27 June 2026: £16,991
• 11 September 2026: £15,991
• 21 October 2026: £15,491

Mileage and MOT

Advertised mileage is about 13,000 miles lower 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, red. Mileage: 5,702 miles. Price: £16,177, £686 more than this car. Dealer: Brindley Garages Brindley Kia West Bromwich in West Bromwich. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c21fa440ad3d
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 6,649 miles. Price: £14,930, £561 less than this car. Dealer: Evans Halshaw Ford Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5245f0f83497
• 2023 Kia Stonic GT Line, 1.0 petrol SUV, grey. Mileage: 5,510 miles. Price: £16,399, £908 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0cb690307ce9

• The nearest: 2023 Kia Stonic GT Line, 1.0 petrol SUV, grey, 16 miles from this car. Mileage: 22,636 miles. Price: £15,699, £208 more than this car. Dealer: FRF Vauxhall Bridgend in Bridgend. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-bc5215cad47d