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: 44,027 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: Grey
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 44,027 miles, this 2023 Kia Stonic GT Line S has covered about 24,700 more miles than other 2023 Kia Stonic cars. The dealer is asking £14,000, which is £80 below the AskCar estimate of £14,080. To work out the AskCar estimate, we analyse UK dealer adverts for 1,685 Kia Stonic cars across different ages and specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Quality Part X Dunstable, based in Dunstable. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £80 (under 1%) under the AskCar estimate of £14,080.

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 1,685 priced Kia Stonic adverts across different ages and specifications, as of 8 November 2026.

A 2023 Kia Stonic with the 1.0 petrol engine is typically advertised at £14,700: the median of the 559 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2023 Kia Stonic advertised today. About 4 in 10 of 2023 Kia Stonic cars are gone from sale within a month of being advertised: 358 of the 879 first advertised between 11 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £14,000. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 24 November 2027.

It failed its MOT on 27 October 2026 (front windscreen washer provides insufficient washer liquid) and passed later the same day.

There were no advisories at the latest test.

Mileage at that test: 44,029 miles, which matches the advertised 44,027 miles.

Advertised mileage is about 24,700 miles higher than the median mileage of a 2023 Kia Stonic on AskCar.

Similar cars

170 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 8 November 2026.

The 3 closest to this car in mileage:

• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 44,342 miles. Price: £13,995, the same price as this car. Dealer: Brayleys Cars Brayley Honda Enfield in Enfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-a9cef7b99904
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 44,445 miles. Price: £13,895, £105 less than this car. Dealer: Prestige Motoring in Crawley. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-1d46d75a5855
• 2023 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 44,599 miles. Price: £13,851, £149 less than this car. Dealer: Drive Motor Retail drivedirect Weston-super-Mare MG in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-df58ece13c40

• The nearest: 2023 Kia Stonic GT Line S, 1.0 petrol SUV, grey, under a mile from this car. Mileage: 69,255 miles. Price: £12,491, £1,509 less than this car. Dealer: Quality Part X Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/kia-stonic-2023-c019fff23807