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: 48,313 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 48,313 miles, approximately 12,100 above the typical mileage for its age. Priced at £11,000, it is advertised £162 below the AskCar estimate of £11,162. To work out the AskCar estimate, we analyse UK dealer adverts for 1,703 Kia Stonic cars across different ages and specifications. This car was first seen in our listings data 12 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Simon Bailes Stockton On Tees in Stockton-on-Tees. 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: £162 (1%) under the AskCar estimate of £11,162.

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 12 days.

Price history

AskCar first saw this advert on 23 October 2026 at £11,000. 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: valid until 1 July 2027.

It failed its MOT on 10 June 2026 (nearside front lower suspension arm ball joint dust cover no longer prevents the ingress of dirt) and passed 2 days later, on 12 June 2026.

Advisories at the latest test: rear tyre worn close to legal limit/worn on edge O/S & N/S; offside rear nail in tyre.

Mileage at that test: 48,012 miles, which matches the advertised 48,313 miles.

Advertised mileage is about 12,100 miles higher 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, grey. Mileage: 47,739 miles. Price: £11,295, £295 more than this car. Dealer: Bristol Auto Hub in Bristol. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-e9521d0546b5
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 49,119 miles. Price: £11,998, £998 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-d5af328afa4d
• 2021 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 47,209 miles. Price: £11,604, £604 more than this car. Dealer: TMS Kia Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-0afcfcc091c2

• The nearest: 2021 Kia Stonic GT Line, 1.0 petrol SUV, black, 42 miles from this car. Mileage: 56,269 miles. Price: £10,758, £242 less than this car. Dealer: Vertu Vauxhall Hexham in Hexham. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-93b688aa7ce1