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: 78,306 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

At 78,306 miles, this 2021 Kia Stonic GT Line has covered about 42,100 more miles than other 2021 Kia Stonic cars. The dealer is asking £9,799, which is £618 above the AskCar estimate of £9,181. To work out the AskCar estimate, we analyse UK dealer adverts for 1,701 Kia Stonic cars across different ages and specifications. The asking price is now £200 lower than when we first recorded the advert 14 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Vertu Vauxhall Northampton, based in Northampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £618 (6%) over the AskCar estimate of £9,181.

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 1,701 priced Kia Stonic adverts across different ages and specifications, as of 5 November 2026.

A 2021 Kia Stonic with the 1.0 petrol engine is typically advertised at £11,500: the median of the 137 for sale on AskCar, as of 5 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 22 October 2026 at £9,999. Its asking price is now £9,799, £200 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 22 October 2026: £9,999
• 23 October 2026: £9,780
• 24 October 2026: £9,799

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 29 October 2027.

It has had 6 MOTs. The latest, on 30 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 78,336 miles, which matches the advertised 78,306 miles.

Advertised mileage is about 42,100 miles higher than the median mileage of a 2021 Kia Stonic on AskCar.

Similar cars

21 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 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 72,900 miles. Price: £9,595, £204 less than this car. Dealer: Stoneacre Hull Mazda/Suzuki in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-d9c11342563e
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 63,400 miles. Price: £10,790, £991 more than this car. Dealer: Somerset Motor Company in Weston-super-Mare. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-3aeadf37e3a0
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 56,734 miles. Price: £10,236, £437 more than this car. Dealer: Lookers Volkswagen Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-def2bf5fd12d

• The nearest: 2021 Kia Stonic GT Line, 1.0 petrol SUV, red, 11 miles from this car. Mileage: 45,747 miles. Price: £10,999, £1,200 more than this car. Dealer: Croyland Car Megastore in Rushden. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-422869357885