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: 19,316 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 19,316 miles. Its asking price of £15,290 is £561 below the AskCar estimate of £15,851. 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 30 days ago, the asking price has dropped by £600. The government's MOT record matches its advertised mileage. It is for sale at BHG Motor Group in Bushey Heath. 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: £561 (3%) under the AskCar estimate of £15,851.

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 30 days.

Price history

AskCar first saw this advert on 3 October 2026 at £15,890. Its asking price is now £15,290, £600 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 3 October 2026: £15,890
• 14 October 2026: £15,790
• 30 October 2026: £15,290

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 7 September 2027.

It failed its MOT on 27 August 2026 (nearside front tyre has a tear, caused by separation or partial failure of its structure) and passed 1 day later, on 28 August 2026.

Advisories at the latest test: offside front tyre slightly damaged.

Mileage at that test: 19,300 miles, which matches the advertised 19,316 miles.

Advertised mileage is about 200 miles higher 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: 19,205 miles. Price: £16,995, £1,705 more than this car. Dealer: Dover Garage Aldershot in Aldershot. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-43e936982454
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 19,177 miles. Price: £15,660, £370 more than this car. Dealer: Evans Halshaw Ford Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0c692e777634
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 19,124 miles. Price: £16,995, £1,705 more than this car. Dealer: Hawkins in Northwich. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-9289b8ec3987

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue, 2 miles from this car. Mileage: 13,185 miles. Price: £16,694, £1,404 more than this car. Dealer: Citygate Kia Watford in Watford. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-0956354478e3