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 DCT FWD Euro 6 (s/s) 5dr (118 bhp)
• Year: 2021
• Mileage: 44,415 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

This 2021 Kia Stonic GT Line is advertised with 44,415 miles, approximately 8,200 above the typical mileage for its age. Its asking price of £11,980 is £504 below the AskCar estimate of £12,484. The AskCar estimate uses UK dealer asking prices, including 1,707 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Quality Part X Dunstable, based in Dunstable. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £504 (4%) under the AskCar estimate of £12,484.

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 1,707 priced Kia Stonic adverts across different ages and specifications, as of 10 November 2026.

A 2021 Kia Stonic with the 1.0 petrol engine is typically advertised at £11,500: the median of the 131 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2021 Kia Stonic advertised today. About half of 2021 Kia Stonic cars are gone from sale within a month of being advertised: 93 of the 206 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £11,980. 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 10 November 2026: valid until 18 March 2027.

It has had 4 MOTs. The latest, on 23 February 2026, passed.

Advisories at the latest test: rear child seat fitted not allowing full inspection of adult belt.

Mileage at that test: 41,586 miles, which matches the advertised 44,415 miles.

Advertised mileage is about 8,200 miles higher than the median mileage of a 2021 Kia Stonic on AskCar.

Similar cars

3 other 2021 Kia Stonic GT Line 1.0 petrol automatic SUVs are for sale at UK dealers, from £9,112 to £16,290, as of 10 November 2026.

The 3 closest to this car in mileage:

• 2021 Kia Stonic GT Line, 1.0 petrol SUV, yellow. Mileage: 13,804 miles. Price: £16,290, £4,310 more than this car. Dealer: Dicksons of Inverness (Inverness) in Inverness. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-56892ab33f41
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, yellow. Mileage: 9,550 miles. Price: £14,199, £2,219 more than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-e34cdedb991a
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, yellow. Mileage: 87,900 miles. Price: £9,112, £2,868 less than this car. Dealer: Keepers Cars in Stonehouse. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-575406c1a41e