2021 Kia Stonic 1.0 T-GDi MHEV GT Line S

Price: £8,995. Good value: £2,346 (20%) under the AskCar estimate of £11,341, 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 S
  • Version: 1.0 T-GDi Mhev GT Line S Manual FWD Euro 6 (s/s) 5dr (118 bhp)
  • Year: 2021
  • Mileage: 45,668 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres, 118 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Blue
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Kia Stonic GT Line S has covered 45,668 miles, around 9,500 more miles than is typical for its age. Its asking price of £8,995 is £2,346 below the AskCar estimate of £11,341. The AskCar estimate uses UK dealer asking prices, including 1,703 Kia Stonic adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records 13 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Top Gear Harrow, based in Harrow. 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

Good value: £2,346 (20%) under the AskCar estimate of £11,341.

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 13 days.

Price history

AskCar first saw this advert on 22 October 2026 at £8,995. 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 15 January 2027.

It has had 2 MOTs. The latest, on 16 January 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 42,458 miles, which matches the advertised 45,668 miles.

Advertised mileage is about 9,500 miles higher than the median mileage of a 2021 Kia Stonic on AskCar.

Similar cars

17 other 2021 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £10,489 to £12,799, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 Kia Stonic GT Line S, 1.0 petrol SUV, red. Mileage: 46,026 miles. Price: £11,597, £2,602 more than this car. Dealer: Flear & Thomson (Stirling) in Stirling. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-078beb62585c
  • 2021 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 46,918 miles. Price: £10,489, £1,494 more than this car. Dealer: MNM Cars in Preston. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-bbde49af1033
  • 2021 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 44,388 miles. Price: £11,599, £2,604 more than this car. Dealer: Lookers Kia Chester in Chester. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-119c74c32a7e
  • The nearest: 2021 Kia Stonic GT Line S, 1.0 petrol SUV, red, 38 miles from this car. Mileage: 23,759 miles. Price: £12,300, £3,305 more than this car. Dealer: JW Autos in Rochester. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-fe63214ef571

Browse all Kia Stonic cars for sale · 2021 Kia Stonic price guide

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Photos

46 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.