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: 26,867 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 26,867 miles on the clock, this 2023 Kia Stonic GT Line S has done roughly 7,700 more miles than a typical 2023 Kia Stonic. The AskCar estimate for this car is £15,332. It is priced at £15,950, which is £618 above that estimate. The AskCar estimate uses UK dealer asking prices, including 1,703 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 35 days ago. Its asking price has since fallen by £200. The government's MOT record matches its advertised mileage. You can find this car at Fish Brothers Kia in Swindon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £618 (4%) over the AskCar estimate of £15,332.

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 1,703 priced Kia Stonic adverts across different ages and specifications, as of 4 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,800: the median of the 574 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2023 Kia Stonic has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 30 September 2026 at £16,150. Its asking price is now £15,950, £200 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 30 September 2026: £16,150
• 24 October 2026: £15,950

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 4 September 2027.

It has had one MOT, on 27 August 2026, and passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge; nearside front track rod end ball joint has slight play.

Mileage at that test: 26,370 miles, which matches the advertised 26,867 miles.

Advertised mileage is about 7,700 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

175 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 4 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 27,483 miles. Price: £16,390, £440 more than this car. Dealer: Furrows Used Cars Shrewsbury in Shrewsbury. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-064a9edf786b
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 27,504 miles. Price: £15,999, the same price as this car. Dealer: Allingtons Motor Group in Ashington. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-e5df220cf4ac
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 26,031 miles. Price: £15,999, the same price as this car. Dealer: Fife Mitsubishi Kirkcaldy in Kirkcaldy. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-b5a30be1bbfb

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, under a mile from this car. Mileage: 21,786 miles. Price: £15,750, £200 less than this car. Dealer: Fish Brothers Kia in Swindon. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-22211d0b6a33