2021 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: 2021
• Mileage: 86,620 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

This 2021 Kia Stonic GT Line S has covered 86,620 miles, around 50,400 more miles than is typical for its age. Priced at £10,195, it is advertised £500 above the AskCar estimate of £9,695. The AskCar estimate uses 1,725 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 3 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is V12 Sports & Classics Ltd - Hinckley, based in Hinckley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £500 (5%) over the AskCar estimate of £9,695.

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 1,725 priced Kia Stonic adverts across different ages and specifications, as of 6 November 2026.

A 2021 Kia Stonic with the 1.0 petrol engine is typically advertised at £11,600: the median of the 137 for sale on AskCar, as of 6 November 2026.

Time on sale

AskCar first saw this 2021 Kia Stonic advertised 3 days ago. About half of 2021 Kia Stonic cars are gone from sale within a month of being advertised: 90 of the 200 first advertised between 11 July 2026 and 3 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £10,195. 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 6 November 2026: valid until 23 June 2027.

It failed its MOT on 24 June 2026 (tyre tread depth below requirements of 1.6mm both fronts; track rod end ball joint has excessive play both fronts) and passed later the same day.

Advisories at the latest test: brake disc worn, pitted or scored, but not seriously weakened both rears.

Mileage at that test: 84,921 miles, which matches the advertised 86,620 miles.

Advertised mileage is about 50,400 miles higher than the median mileage of a 2021 Kia Stonic on AskCar.

Similar cars

13 other 2021 Kia Stonic GT Line S 1.0 petrol automatic SUVs are for sale at UK dealers, from £10,490 to £16,195, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 81,000 miles. Price: £10,490, £295 more than this car. Dealer: Sk Car Sales . Com in Enfield. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-55657fa31032
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 38,386 miles. Price: £13,895, £3,700 more than this car. Dealer: FJ Chalke - Nissan, Yeovil in Yeovil. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-5686a6559c9d
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 36,208 miles. Price: £13,495, £3,300 more than this car. Dealer: Fisken Motor Group in Forfar. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-8a806a4be7ce

• The nearest: 2021 Kia Stonic GT Line S, 1.0 petrol SUV, grey, under a mile from this car. Mileage: 28,401 miles. Price: £13,000, £2,805 more than this car. Dealer: Paynes Of Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-18a500e85f08