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 Manual FWD Euro 6 (s/s) 5dr (118 bhp)
• Year: 2021
• Mileage: 57,000 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Kia Stonic GT Line S has covered 57,000 miles, around 20,800 more miles than is typical for its age. Priced at £10,590, it is advertised £68 below the AskCar estimate of £10,658. The AskCar estimate uses UK dealer asking prices, including 1,703 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data today. We checked its advertised mileage against the government's MOT record, and they match. The seller is Vantage Toyota York, based in York. 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: £68 (under 1%) under the AskCar estimate of £10,658.

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 2021 Kia Stonic with the 1.0 petrol engine is typically advertised at £11,600: the median of the 139 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 Kia Stonic advertised today. About half of 2021 Kia Stonic cars are gone from sale within a month of being advertised: 90 of the 196 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £10,590. 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 4 November 2026: valid until 21 March 2027.

It has had 4 MOTs. The latest, on 18 March 2026, passed.

Advisories at the latest test: nearside rear tyre worn close to legal limit/worn on edge 2mm.

Mileage at that test: 51,436 miles, which matches the advertised 57,000 miles.

Advertised mileage is about 20,800 miles higher than the median mileage of a 2021 Kia Stonic on AskCar.

Similar cars

17 other 2021 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £8,995 to £12,799, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 59,783 miles. Price: £11,695, £1,105 more than this car. Dealer: Gravells Abergavenny in Abergavenny. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-554c25410662
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 60,600 miles. Price: £10,995, £405 more than this car. Dealer: Mks Lux in Dundee. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-6ca9b46ab87f
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 64,608 miles. Price: £10,910, £320 more than this car. Dealer: Parkhills Car Centre in Bury. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-027e0de42970

• The nearest: 2021 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 33 miles from this car. Mileage: 25,560 miles. Price: £12,298, £1,708 more than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-e57a8ef9339a