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: 19,935 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: White
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Kia Stonic GT Line S has covered 19,935 miles. The dealer is asking £16,250, which is £101 above the AskCar estimate of £16,149. 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 £500 lower than when we first recorded the advert 32 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Brayleys Cars Brayley KIA Dunstable, based in Dunstable. 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: £101 (under 1%) over the AskCar estimate of £16,149.

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 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £16,750. Its asking price is now £16,250, £500 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 1 October 2026: £16,750
• 9 October 2026: £16,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 19 March 2027.

It has had one MOT, on 20 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 17,202 miles, which matches the advertised 19,935 miles.

Advertised mileage is about 800 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, grey. Mileage: 19,956 miles. Price: £16,498, £248 more than this car. Dealer: Arnold Clark Kirkcaldy MG in Kirkcaldy. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-92fac9a752dd
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 19,912 miles. Price: £16,595, £345 more than this car. Dealer: Waylands Kia Reading in West End. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-053805fe9011
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 19,730 miles. Price: £16,295, the same price as this car. Dealer: Perrys Preston in Preston. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-5c8f73a7a2d8

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 2 miles from this car. Mileage: 69,255 miles. Price: £12,496, £3,754 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c019fff23807