2021 Kia Stonic 1.0 T-GDi MHEV GT Line S

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: 36,400 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Yellow
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 Kia Stonic GT Line S is 36,400 miles. Its asking price of £11,995 is £51 above the AskCar estimate of £11,944. The AskCar estimate draws on 1,725 Kia Stonic adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 42 days ago. Its asking price has since fallen by £800. We checked its advertised mileage against the government's MOT record, and they match. The seller is Kia Brighton - Tates, based in Brighton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £51 (under 1%) over the AskCar estimate of £11,944.

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 1,725 priced Kia Stonic adverts across different ages and specifications, as of 6 November 2026.

A 2021 Kia Stonic with the 1.0 petrol engine is typically advertised at £11,600: the median of the 137 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2021 Kia Stonic has been on sale for at least 42 days.

Price history

AskCar first saw this advert on 25 September 2026 at £12,795. Its asking price is now £11,995, £800 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 25 September 2026: £12,795
• 30 October 2026: £11,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 7 September 2027.

It has had 4 MOTs. The latest, on 8 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 35,340 miles, which matches the advertised 36,400 miles.

Advertised mileage is about 200 miles higher than the median mileage of a 2021 Kia Stonic on AskCar.

Similar cars

18 other 2021 Kia Stonic GT Line S 1.0 petrol manual SUVs are for sale at UK dealers, from £8,995 to £12,799, as of 6 November 2026.

The 3 closest to this car in mileage:

• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 36,546 miles. Price: £12,495, £500 more than this car. Dealer: Snows Kia Guildford in Guildford. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-e4173b8b7ecb
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, yellow. Mileage: 38,510 miles. Price: £11,299, £696 less than this car. Dealer: Richard Hardie Ashington in Ashington. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-273798613e0c
• 2021 Kia Stonic GT Line S, 1.0 petrol SUV, white. Mileage: 42,249 miles. Price: £11,495, £500 less than this car. Dealer: Park's Motor Group Chery East Kilbride in East Kilbride. AskCar page: https://askcar.co.uk/car/kia-stonic-2021-a81716eb232f