2021 Kia Stonic 1.0 T-GDi MHEV GT Line

Price: £11,498. Fair price: £422 (3%) over the AskCar estimate of £11,076, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,701 priced Kia Stonic adverts on AskCar as of 5 November 2026.

AskCar lists 1,715 used Kia Stonic from 796 UK dealerships, as of 5 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: 49,948 miles
  • Fuel: Petrol, mild hybrid
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.0 litres, 118 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 127 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 49,948 miles on the clock, this 2021 Kia Stonic GT Line has done roughly 13,700 more miles than a typical 2021 Kia Stonic. The AskCar estimate for this car is £11,076. It is priced at £11,498, which is £422 above that estimate. The AskCar estimate uses 1,701 UK dealer adverts for the Kia Stonic, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 33 days ago, and its asking price has since fallen by £400. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Arnold Clark Glasgow London Road Motorstore / Vanstore, based in Glasgow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £422 (3%) over the AskCar estimate of £11,076.

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 1,701 priced Kia Stonic adverts across different ages and specifications, as of 5 November 2026.

A 2021 Kia Stonic with the 1.0 petrol engine is typically advertised at £11,500: the median of the 137 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2021 Kia Stonic has been on sale for at least 33 days.

Price history

AskCar first saw this advert on 3 October 2026 at £11,898. Its asking price is now £11,498, £400 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

  • 3 October 2026: £11,898
  • 6 October 2026: £11,998
  • 5 November 2026: £11,498

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 28 September 2027.

It has had 4 MOTs. The latest, on 29 September 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge; offside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 49,950 miles, which matches the advertised 49,948 miles.

Advertised mileage is about 13,700 miles higher than the median mileage of a 2021 Kia Stonic on AskCar.

Similar cars

21 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 5 November 2026.

The 3 closest to this car in mileage:

  • 2021 Kia Stonic GT Line, 1.0 petrol SUV, blue. Mileage: 50,000 miles. Price: £10,500, £998 less than this car. Dealer: Mylson Stoke in Newcastle-under-Lyme. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-ef76b518ce40
  • 2021 Kia Stonic GT Line, 1.0 petrol SUV, grey. Mileage: 49,836 miles. Price: £10,995, £503 less than this car. Dealer: Tregonings of Cornwall in Wadebridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-4f5af494b754
  • 2021 Kia Stonic GT Line, 1.0 petrol SUV, black. Mileage: 49,119 miles. Price: £11,998, £500 more than this car. Dealer: Arnold Clark Liverpool Motorstore / MG / Chery in Liverpool. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-d5af328afa4d
  • The nearest: 2021 Kia Stonic GT Line, 1.0 petrol SUV, blue, 6 miles from this car. Mileage: 24,210 miles. Price: £12,495, £997 more than this car. Dealer: Park's Coatbridge Kia in Coatbridge. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-b458e44b4253

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

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Photos

20 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.