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: 4,763 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Red
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 4,763 miles, this 2023 Kia Stonic GT Line S has covered about 14,500 fewer miles than other 2023 Kia Stonic cars. The AskCar estimate for this car is £17,432. It is priced at £16,771, which is £661 below that estimate. The AskCar estimate uses 1,711 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 3 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Peter Cooper Kia Hedge End, based in Southampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Fair price: £661 (3%) under the AskCar estimate of £17,432.

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 1,711 priced Kia Stonic adverts across different ages and specifications, as of 11 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,600: the median of the 579 for sale on AskCar, as of 11 November 2026.

Time on sale

AskCar first saw this 2023 Kia Stonic advertised 3 days ago. About 4 in 10 of 2023 Kia Stonic cars are gone from sale within a month of being advertised: 370 of the 919 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £16,771. 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 11 November 2026: valid until 30 April 2027.

It has had one MOT, on 1 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 3,983 miles, which matches the advertised 4,763 miles.

Advertised mileage is about 14,500 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

186 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 11 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 4,881 miles. Price: £16,995, £224 more than this car. Dealer: Grainger Motor Group in Ely. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a320a7930766
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 5,065 miles. Price: £17,409, £638 more than this car. Dealer: TMS Loughborough Kia in Loughborough. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-6ec4125642ca
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 4,393 miles. Price: £17,495, £724 more than this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-08de974495a2

• 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, £480 less than this car. Dealer: Peter Cooper Kia Hedge End in Hedge End. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3546596d16c9