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: 50,000 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 50,000 miles, this 2021 Kia Stonic GT Line has covered about 13,800 more miles than other 2021 Kia Stonic cars. The dealer is asking £10,500, which is £573 below the AskCar estimate of £11,073. To work out the AskCar estimate, we analyse UK dealer adverts for 1,701 Kia Stonic cars across different ages and specifications. We first saw this car advertised 76 days ago. Its asking price has since fallen by £1,000. The government's MOT record matches its advertised mileage. It is for sale at Mylson Stoke in Newcastle-Under-Lyme. 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: £573 (5%) under the AskCar estimate of £11,073.

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 76 days.

Price history

AskCar first saw this advert on 21 August 2026 at £11,500. Its asking price is now £10,500, £1,000 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

• 21 August 2026: £11,500
• 27 August 2026: £11,000
• 15 September 2026: £10,800
• 7 October 2026: £10,500
• 10 October 2026: £10,000
• 29 October 2026: £10,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 2 June 2027.

It has had 3 MOTs. The latest, on 28 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 48,866 miles, which matches the advertised 50,000 miles.

Advertised mileage is about 13,800 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, grey. Mileage: 49,948 miles. Price: £11,498, £998 more than this car. Dealer: Arnold Clark Glasgow London Road Motorstore / Vanstore in Glasgow. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-04805037bfa4
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, grey. Mileage: 49,836 miles. Price: £10,995, £495 more than this car. Dealer: Tregonings of Cornwall in Wadebridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-4f5af494b754
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 49,119 miles. Price: £11,998, £1,498 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-d5af328afa4d

• The nearest: 2021 Kia Stonic GT Line, 1.0 petrol SUV, white, 34 miles from this car. Mileage: 20,482 miles. Price: £12,485, £1,985 more than this car. Dealer: One Stop Car Shop in Manchester. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-b7f84e9bf162