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 DCT FWD Euro 6 (s/s) 5dr (118 bhp)
• Year: 2021
• Mileage: 25,157 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Automatic (DCT)
• Drive: Front-wheel drive
• Colour: White
• CO2: 129 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 25,157 miles, this 2021 Kia Stonic GT Line S has covered about 11,100 fewer miles than other 2021 Kia Stonic cars. The AskCar estimate for this car is £14,216. It is priced at £13,999, which is £217 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,673 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 8 days. Its advertised mileage matches the government's MOT record. The seller is Magenta Cars, based in Ashington. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £217 (1%) under the AskCar estimate of £14,216.

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 1,673 priced Kia Stonic adverts across different ages and specifications, as of 2 November 2026.

A 2021 Kia Stonic with the 1.0 petrol engine is typically advertised at £11,600: the median of the 130 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 Kia Stonic has been on sale for at least 8 days.

Price history

AskCar first saw this advert on 25 October 2026 at £13,999. 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 2 November 2026: valid until 23 February 2027.

It has had 3 MOTs. The latest, on 6 February 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 23,488 miles, which matches the advertised 25,157 miles.

Advertised mileage is about 11,100 miles lower than the median mileage of a 2021 Kia Stonic on AskCar.

Similar cars

12 other 2021 Kia Stonic GT Line S 1.0 petrol automatic SUVs are for sale at UK dealers, from £10,490 to £16,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 25,828 miles. Price: £13,952, the same price as this car. Dealer: Budgen Motors in Telford. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-12772176006c
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, grey. Mileage: 26,639 miles. Price: £14,700, £701 more than this car. Dealer: RRG Group GWR Kia in Ealing. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-108ee037c3d2
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, blue. Mileage: 26,694 miles. Price: £13,550, £449 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-4efb1e00df2d

• The nearest: 2021 Kia Stonic GT Line S, 1.0 petrol SUV, grey, 86 miles from this car. Mileage: 30,306 miles. Price: £14,195, £196 more than this car. Dealer: Lloyd West Cumbria Kia in Workington. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-f6190673d59b