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: 6,638 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S is advertised with 6,638 miles, approximately 12,500 below the typical mileage for its age. Priced at £16,998, it is advertised £36 below the AskCar estimate of £17,034. The AskCar estimate uses UK dealer asking prices, including 1,673 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 18 days ago, the asking price has dropped by £500. The government's MOT record matches its advertised mileage. It is advertised by Arnold Clark in Stourbridge. 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: £36 (under 1%) under the AskCar estimate of £17,034.

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 18 days.

Price history

AskCar first saw this advert on 15 October 2026 at £17,498. Its asking price is now £16,998, £500 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 15 October 2026: £17,498
• 30 October 2026: £16,998

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 13 October 2027.

It has had 2 MOTs. The latest, on 14 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 6,646 miles, which matches the advertised 6,638 miles.

Advertised mileage is about 12,500 miles lower 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, black. Mileage: 6,670 miles. Price: £16,889, £109 less than this car. Dealer: Halliwell Jones KIA Southport in Southport. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3259d728f8ba
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, black. Mileage: 6,582 miles. Price: £16,150, £848 less than this car. Dealer: Evans Halshaw Kia Hull in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-de1957243060
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 6,793 miles. Price: £17,998, £1,000 more than this car. Dealer: Arnold Clark East Kilbride Motorstore in East Kilbride. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-85341df300a7