2021 Kia Stonic 1.0 T-GDi MHEV GT Line
Version: 1.0 T-GDi Mhev GT Line Manual FWD Euro 6 (s/s) 5dr (118 bhp)
Price: £12,171. Fair price: £293 (2%) under the AskCar estimate of £12,464, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,685 priced Kia Stonic adverts on AskCar as of 1 November 2026.
AskCar lists 1,704 used Kia Stonic from 786 UK dealerships, as of 1 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)
- Mileage
- 27,797 miles
- Year
- 2021
- Fuel type
- Petrol
- Body type
- SUV
- Engine
- 1.0 L
- Gearbox
- Manual
- Power
- 118 bhp
- Seats
- 5
- CO2
- 127 g/km
- Colour
- Black
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Engine badge
- T-GDi; MHEV
- Hybrid type
- Mild hybrid
- Emissions standard
- Euro 6
About this car
With 27,797 miles on the clock, this 2021 Kia Stonic GT Line has done roughly 8,500 fewer miles than a typical 2021 Kia Stonic. Its asking price of £12,171 is £293 below the AskCar estimate of £12,464. The AskCar estimate draws on 1,685 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 23 days ago, and its asking price has since fallen by £408. MOT records show an expiry date of 27 August 2027, and the latest recorded mileage is consistent with the advert. It is advertised by Acorn Kia St Helens in St. Helens.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 9 October 2026, 23 days ago. Price reduced by £408 from £12,579 since AskCar first saw it. 5 price reductions recorded, the latest seen on 29 October 2026.
| Date observed | Asking price |
|---|---|
| 9 October 2026 | £12,579 |
| 10 October 2026 | £12,436 |
| 13 October 2026 | £12,382 |
| 17 October 2026 | £12,324 |
| 22 October 2026 | £12,455 |
| 24 October 2026 | £12,304 |
| 29 October 2026 | £12,171 |
| 1 November 2026 | £12,171 |
Price and mileage comparison
Fair price: £293 (2%) under the AskCar estimate of £12,464.
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 1,685 priced Kia Stonic adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 8,500 miles lower than the median mileage of a 2021 Kia Stonic on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 27 August 2027. 27,393 miles at the last test.
Other matching cars
21 other 2021 Kia Stonic GT Line manual petrol cars are for sale at UK dealers from £9,595 to £12,495, as of 1 November 2026.
The 5 cheapest:
- 2021 Kia Stonic. Price: £9,595. Mileage: 72,900 miles. Dealer: Stoneacre Hull Mazda/Suzuki in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-d9c11342563e
- 2021 Kia Stonic. Price: £9,799. Mileage: 78,306 miles. Dealer: Vertu Vauxhall Northampton in Northampton. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-b40836bdf7d0
- 2021 Kia Stonic. Price: £9,990. Mileage: 55,559 miles. Dealer: SJS Motor Company Kent in Gillingham. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-db24dc3271a0
- 2021 Kia Stonic. Price: £10,280. Mileage: 56,734 miles. Dealer: Lookers Volkswagen Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-def2bf5fd12d
- 2021 Kia Stonic. Price: £10,500. Mileage: 50,000 miles. Dealer: Mylson Stoke in Newcastle-under-Lyme. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-ef76b518ce40
The 21 matching cars have covered 20,482 to 78,306 miles, compared with 27,797 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Kia Stonic cars for sale · 2021 Kia Stonic price guide
More like this
Photos
32 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.