2023 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
• Year: 2023
• Mileage: 24,858 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 24,858 miles, this 2023 Kia Stonic GT Line S has covered about 5,700 more miles than other 2023 Kia Stonic cars. The AskCar estimate for this car is £15,466. It is priced at £14,472, which is £994 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. We first saw this car advertised 95 days ago. Its asking price has since fallen by £2,127. The seller is Birchwood Kia Eastbourne, based in Eastbourne. 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: £994 (6%) under the AskCar estimate of £15,466.

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 95 days.

Price history

AskCar first saw this advert on 30 July 2026 at £16,599. Its asking price is now £14,472, £2,127 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 30 July 2026: £16,599
• 25 August 2026: £16,398
• 23 September 2026: £15,984
• 6 October 2026: £15,429
• 18 October 2026: £14,999
• 23 October 2026: £14,798
• 30 October 2026: £14,472

Mileage and MOT

Advertised mileage is about 5,700 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

171 other 2023 Kia Stonic GT Line S 1.0 petrol automatic SUVs are for sale at UK dealers, from £11,395 to £17,998, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 24,763 miles. Price: £16,498, £2,026 more than this car. Dealer: Arnold Clark East Kilbride Motorstore in East Kilbride. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b291196f8fa7
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 25,000 miles. Price: £14,790, £318 more than this car. Dealer: Fish Motors in Bolton. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-2e882c64ad76
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 24,559 miles. Price: £14,954, £482 more than this car. Dealer: Lookers Nissan Sunderland in Sunderland. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0ad4f2d4c216

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white, 32 miles from this car. Mileage: 17,149 miles. Price: £16,751, £2,279 more than this car. Dealer: Birchwood Kia Washington in Sompting. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a237372ffed9