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 Manual FWD Euro 6 (s/s) 5dr (118 bhp)
• Year: 2023
• Mileage: 15,731 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 15,731 miles, around 3,400 fewer miles than is typical for its age. The dealer is asking £11,484, which is £3,093 below the AskCar estimate of £14,577. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. The asking price is now £1,500 lower than when we first recorded the advert 158 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Quayside Cars in Gloucester. 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

Good value: £3,093 (21%) under the AskCar estimate of £14,577.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £12,984. Its asking price is now £11,484, £1,500 less. The latest price cut was seen on 25 August 2026.

Price changes recorded:

• 28 May 2026: £12,984
• 3 July 2026: £12,484
• 29 July 2026: £11,984
• 25 August 2026: £11,484

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 20 May 2027.

It has had one MOT, on 21 May 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 15,732 miles, which matches the advertised 15,731 miles.

Advertised mileage is about 3,400 miles lower than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

102 other 2023 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £10,060 to £16,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 15,680 miles. Price: £14,698, £3,214 more than this car. Dealer: Arnold Clark Stafford Motorstore / BYD / Vanstore in Stafford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-36a5a06d550e
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 15,920 miles. Price: £15,990, £4,506 more than this car. Dealer: Furrows Used Car Centre Telford in Telford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-01193856c7d1
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 16,286 miles. Price: £15,197, £3,713 more than this car. Dealer: Flear & Thomson (DUNFERMLINE) in Dunfermline. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-7a76a9555b54

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 28 miles from this car. Mileage: 7,151 miles. Price: £15,395, £3,911 more than this car. Dealer: Chippenham Motor Company in Chippenham. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-ba9129fbb9ca