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: 56,269 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Kia Stonic GT Line is advertised with 56,269 miles, approximately 20,100 above the typical mileage for its age. Its asking price of £10,758 is £59 above the AskCar estimate of £10,699. The AskCar estimate uses 1,701 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 22 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Vertu Vauxhall Hexham, based in Hexham. 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: £59 (under 1%) over the AskCar estimate of £10,699.

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 22 days.

Price history

AskCar first saw this advert on 14 October 2026 at £10,430. Its asking price is now £10,758, £328 more.

Price changes recorded:

• 14 October 2026: £10,430
• 16 October 2026: £10,455
• 17 October 2026: £10,440
• 18 October 2026: £10,426
• 20 October 2026: £10,504
• 21 October 2026: £10,513
• 22 October 2026: £10,758

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 19 October 2027.

It has had 4 MOTs. The latest, on 20 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 56,270 miles, which matches the advertised 56,269 miles.

Advertised mileage is about 20,100 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: 56,734 miles. Price: £10,236, £522 less than this car. Dealer: Lookers Volkswagen Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-def2bf5fd12d
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 55,559 miles. Price: £9,990, £768 less than this car. Dealer: SJS Motor Company Kent in Gillingham. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-db24dc3271a0
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 50,000 miles. Price: £10,500, £258 less than this car. Dealer: Mylson Stoke in Newcastle-under-Lyme. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-ef76b518ce40

• The nearest: 2021 Kia Stonic GT Line, 1.0 petrol SUV, white, 42 miles from this car. Mileage: 48,313 miles. Price: £11,000, £242 more than this car. Dealer: Simon Bailes Stockton On Tees in Stockton-on-Tees. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-c4cb0f1e11a5