2021 Kia Stonic 1.0 T-GDi MHEV GT Line

Price: £11,300. Fair price: £574 (4%) under the AskCar estimate of £11,874, 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: 37,015 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 has covered 37,015 miles. Priced at £11,300, it is advertised £574 below the AskCar estimate of £11,874. The AskCar estimate draws on 1,703 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 158 days ago. Its asking price has since fallen by £950. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is CarTime Nelson/Burnley, based in Nelson. 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: £574 (4%) under the AskCar estimate of £11,874.

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 158 days.

Price history

AskCar first saw this advert on 30 May 2026 at £12,250. Its asking price is now £11,300, £950 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 31 May 2026: £12,250
  • 8 June 2026: £11,990
  • 3 July 2026: £11,663
  • 4 August 2026: £11,523
  • 26 August 2026: £11,505
  • 8 September 2026: £11,691
  • 11 September 2026: £11,592
  • 19 September 2026: £11,879
  • 22 September 2026: £11,607
  • 3 October 2026: £11,708
  • 10 October 2026: £11,450
  • 13 October 2026: £11,400
  • 4 November 2026: £11,300

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 19 May 2027.

It has had 5 MOTs. The latest, on 20 May 2026, passed.

Advisories at the latest test: nearside front brake disc worn, but not excessively; offside front brake disc worn, but not excessively.

Mileage at that test: 37,031 miles, which matches the advertised 37,015 miles.

Advertised mileage is about 800 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, white. Mileage: 37,798 miles. Price: £11,759, £459 more than this car. Dealer: Vertu Kia Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-85e8429a1708
  • 2021 Kia Stonic GT Line, 1.0 petrol SUV, red. Mileage: 33,480 miles. Price: £11,999, £699 more than this car. Dealer: Hendy Nissan - Bournemouth in Bournemouth. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-e3c5f63bbab8
  • 2021 Kia Stonic GT Line, 1.0 petrol SUV, white. Mileage: 41,242 miles. Price: £11,699, £399 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, red, 10 miles from this car. Mileage: 56,734 miles. Price: £10,236, £1,064 less than this car. Dealer: Lookers Volkswagen Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-def2bf5fd12d

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

More like this

Photos

40 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.