2023 Kia Stonic 1.0 GT Line S

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line S
• Version: 1.0 T-GDi GT Line S DCT FWD Euro 6 5dr
• Year: 2023
• Mileage: 23,115 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

With 23,115 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 3,900 more miles than a typical 2023 Kia Stonic. The AskCar estimate for this car is £15,996. It is priced at £15,891, which is £105 below that estimate. The AskCar estimate uses 1,703 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Peter Cooper Kia Hedge End in Southampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £105 (under 1%) under the AskCar estimate of £15,996.

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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 574 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2023 Kia Stonic advertised today. About 4 in 10 of 2023 Kia Stonic cars are gone from sale within a month of being advertised: 344 of the 842 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £15,891. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 11 August 2027.

It has had one MOT, on 12 August 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 21,956 miles, which matches the advertised 23,115 miles.

Advertised mileage is about 3,900 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

175 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 23,020 miles. Price: £16,545, £654 more than this car. Dealer: Waylands Kia Oxford in Oxford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-986871f86127
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 22,999 miles. Price: £16,000, £109 more than this car. Dealer: Chris W Roads in Ripley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0167d8ee92a9
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 22,908 miles. Price: £16,500, £609 more than this car. Dealer: Fish Brothers Kia in Swindon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b1299a9d5483

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red, under a mile from this car. Mileage: 21,855 miles. Price: £16,291, £400 more than this car. Dealer: Peter Cooper Kia Hedge End in Hedge End. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3546596d16c9