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: 44,388 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 44,388 miles, around 8,200 more miles than is typical for its age. Its asking price of £11,599 is £179 above the AskCar estimate of £11,420. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. Since we first spotted the advert 53 days ago, the asking price has dropped by £400. Its advertised mileage matches the government's MOT record. The seller is Lookers Kia Chester, based in Chester. 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: £179 (1%) over the AskCar estimate of £11,420.

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 53 days.

Price history

AskCar first saw this advert on 12 September 2026 at £11,999. Its asking price is now £11,599, £400 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 12 September 2026: £11,999
• 15 September 2026: £12,249
• 17 September 2026: £12,599
• 19 September 2026: £12,299
• 21 September 2026: £11,999
• 22 September 2026: £12,299
• 15 October 2026: £11,999
• 17 October 2026: £11,916
• 21 October 2026: £11,892
• 24 October 2026: £11,727
• 4 November 2026: £11,599

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 1 September 2027.

It has had 3 MOTs. The latest, on 27 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,668 miles, which matches the advertised 44,388 miles.

Advertised mileage is about 8,200 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, £100 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, blue. Mileage: 45,668 miles. Price: £8,995, £2,604 less than this car. Dealer: Top Gear Harrow in Harrow. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-642e8174f1ec
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 46,026 miles. Price: £11,597, the same price as this car. Dealer: Flear & Thomson (Stirling) in Stirling. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-078beb62585c