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: 20,482 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 is advertised with 20,482 miles, approximately 15,700 below the typical mileage for its age. The AskCar estimate for this car is £12,866. It is priced at £12,485, which is £381 below that estimate. The AskCar estimate uses 1,703 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 21 days ago. The latest recorded MOT expiry date is 24 September 2026, which has passed. Confirm its status with the dealer. Its advertised mileage matches the government's MOT record. You can find this car at One Stop Car Shop in Manchester. 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: £381 (2%) under the AskCar estimate of £12,866.

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 21 days.

Price history

AskCar first saw this advert on 14 October 2026 at £12,485. 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 4 November 2026: the latest record we hold ran out on 24 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 5 September 2025, passed.

Advisories at the latest test: front brake disc worn, but not excessively.

Mileage at that test: 15,614 miles, which matches the advertised 20,482 miles.

Advertised mileage is about 15,700 miles lower than the median mileage of a 2021 Kia Stonic on AskCar.

Similar cars

22 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 24,210 miles. Price: £12,495, the same price as this car. Dealer: Park's Coatbridge Kia in Coatbridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-b458e44b4253
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 27,788 miles. Price: £12,150, £335 less than this car. Dealer: Ray Chapman Motors. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-c01f09aeb706
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 27,797 miles. Price: £12,171, £314 less than this car. Dealer: Acorn Kia St Helens in St Helens. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-3d7acd1ab37c