2021 Kia Stonic 1.0 T-GDi MHEV GT Line

Overview

• Make: Kia
• Model: Stonic
• Trim: GT Line
• Version: 1.0 T-GDi Mhev GT Line Manual FWD Euro 6 (s/s) 5dr (118 bhp)
• Year: 2021
• Mileage: 55,559 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Kia Stonic GT Line is advertised with 55,559 miles, approximately 19,400 above the typical mileage for its age. The dealer is asking £9,990, which is £738 below the AskCar estimate of £10,728. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. This car was first seen in our listings data 34 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by SJS Motor Company Kent in Gillingham. 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: £738 (6%) under the AskCar estimate of £10,728.

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 34 days.

Price history

AskCar first saw this advert on 1 October 2026 at £9,990. 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 25 April 2027.

It has had 3 MOTs. The latest, on 17 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 45,586 miles, which matches the advertised 55,559 miles.

Advertised mileage is about 19,400 miles higher than the median mileage of a 2021 Kia Stonic on AskCar.

Similar cars

22 other 2021 Kia Stonic GT Line 1.0 petrol manual SUVs are for sale at UK dealers, from £9,595 to £12,495, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 56,269 miles. Price: £10,758, £768 more than this car. Dealer: Vertu Vauxhall Hexham in Hexham. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-93b688aa7ce1
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 56,734 miles. Price: £10,236, £246 more than this car. Dealer: Lookers Volkswagen Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-def2bf5fd12d
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 50,000 miles. Price: £10,500, £510 more than this car. Dealer: Mylson Stoke in Newcastle-under-Lyme. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-ef76b518ce40

• The nearest: 2021 Kia Stonic GT Line, 1.0 petrol SUV, red, 82 miles from this car. Mileage: 45,747 miles. Price: £10,999, £1,009 more than this car. Dealer: Croyland Car Megastore in Rushden. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-422869357885