2021 Kia Stonic 1.0 T-GDi MHEV GT Line
Price: £10,999. Fair price: £414 (3%) under the AskCar estimate of £11,413, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,703 priced Kia Stonic adverts on AskCar as of 4 November 2026.
AskCar lists 1,716 used Kia Stonic from 801 UK dealerships, as of 4 November 2026.
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: 44,254 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
At 44,254 miles, this 2021 Kia Stonic GT Line has covered about 8,000 more miles than other 2021 Kia Stonic cars. Its asking price of £10,999 is £414 below the AskCar estimate of £11,413. The AskCar estimate draws on 1,703 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 142 days ago, the asking price has dropped by £800. Our latest MOT record expired on 28 September 2026. Check the current position with the dealer. Its advertised mileage matches the government's MOT record. You can find this car at Available Car Supermarket - Castle Donington in Castle Donnington. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £414 (3%) under the AskCar estimate of £11,413.
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 142 days.
Price history
AskCar first saw this advert on 15 June 2026 at £11,799. Its asking price is now £10,999, £800 less. The latest price cut was seen on 21 October 2026.
Price changes recorded:
- 6 July 2026: £11,799
- 14 August 2026: £11,499
- 14 October 2026: £11,199
- 21 October 2026: £10,999
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 28 September 2026; ask the dealer for the current MOT.
It has had 2 MOTs. The latest, on 29 August 2025, passed.
Advisories at the latest test: rear tyre worn close to legal limit/worn on edge both NS/OS at 3mm.
Mileage at that test: 37,125 miles, which matches the advertised 44,254 miles.
Advertised mileage is about 8,000 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, red. Mileage: 45,747 miles. Price: £10,999, the same price as this car. Dealer: Croyland Car Megastore in Rushden. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-422869357885
- 2021 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 47,209 miles. Price: £11,604, £605 more than this car. Dealer: TMS Kia Hinckley in Hinckley. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-0afcfcc091c2
- 2021 Kia Stonic GT Line, 1.0 petrol SUV, white. Mileage: 41,242 miles. Price: £11,699, £700 more than this car. Dealer: Murray Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-3c78505f5f03
- The nearest: 2021 Kia Stonic GT Line, 1.0 petrol SUV, white, 13 miles from this car. Mileage: 37,798 miles. Price: £11,759, £760 more than this car. Dealer: Vertu Kia Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-85e8429a1708
Browse all Kia Stonic cars for sale · 2021 Kia Stonic price guide
More like this
- Used Kia Stonic GT Line prices
- Used Kia Stonic for sale under £15,000
- Used manual Kia Stonic for sale
- Used Kia Stonic for sale near Loughborough
Photos
41 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.