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: 42,249 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 is advertised with 42,249 miles, approximately 6,000 above the typical mileage for its age. The AskCar estimate for this car is £11,555. It is priced at £11,495, which is £60 below 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 14 days ago. Its asking price has since fallen by £500. We checked its advertised mileage against the government's MOT record, and they match. You can find this car at Park's Motor Group Chery East Kilbride in South Lanarkshire. 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: £60 (under 1%) under the AskCar estimate of £11,555.

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

This 2021 Kia Stonic has been on sale for at least 14 days.

Price history

AskCar first saw this advert on 21 October 2026 at £11,995. Its asking price is now £11,495, £500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 21 October 2026: £11,995
• 4 November 2026: £11,495

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 20 July 2027.

It has had 3 MOTs. The latest, on 3 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 41,123 miles, which matches the advertised 42,249 miles.

Advertised mileage is about 6,000 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, grey. Mileage: 44,370 miles. Price: £11,699, £204 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-58350f7df1c6
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 44,388 miles. Price: £11,599, £104 more than this car. Dealer: Lookers Kia Chester in Chester. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-119c74c32a7e
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 45,668 miles. Price: £8,995, £2,500 less than this car. Dealer: Top Gear Harrow in Harrow. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-642e8174f1ec

• The nearest: 2021 Kia Stonic GT Line S, 1.0 petrol SUV, red, 25 miles from this car. Mileage: 46,026 miles. Price: £11,597, £102 more than this car. Dealer: Flear & Thomson (Stirling) in Stirling. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-078beb62585c