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 (118 bhp)
• Year: 2023
• Mileage: 16,500 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• 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 16,500 miles, approximately 2,600 below the typical mileage for its age. The dealer is asking £15,995, which is £402 below the AskCar estimate of £16,397. To work out the AskCar estimate, we analyse UK dealer adverts for 1,673 Kia Stonic cars across different ages and specifications. Since we first spotted the advert 69 days ago, the asking price has dropped by £1,300. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by T Wall Approved in Kingswinford. 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: £402 (2%) under the AskCar estimate of £16,397.

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 69 days.

Price history

AskCar first saw this advert on 25 August 2026 at £17,295. Its asking price is now £15,995, £1,300 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 25 August 2026: £17,295
• 13 September 2026: £16,995
• 23 September 2026: £16,695
• 18 October 2026: £15,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 30 July 2027.

It has had one MOT, on 7 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 15,411 miles, which matches the advertised 16,500 miles.

Advertised mileage is about 2,600 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, blue. Mileage: 16,454 miles. Price: £16,495, £500 more than this car. Dealer: Stoneacre Lincoln Kia in Lincoln. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-03a30ee3beab
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 16,418 miles. Price: £15,460, £535 less than this car. Dealer: Evans Halshaw BYD Bury in Bury. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-3d43aa10a491
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 16,797 miles. Price: £15,995, the same price as this car. Dealer: JCB Group Ashford Orbital Kia in Ashford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-9a0fdd44bde7

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 5 miles from this car. Mileage: 5,138 miles. Price: £15,960, the same price as this car. Dealer: Evans Halshaw Ford Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-899856f7b762