2021 Kia Rio 1.0 T-GDi MHEV GT Line S

Price: £12,695. Fair price: £631 (5%) over the AskCar estimate of £12,064, our expected asking price for this car from its model, age, mileage and specification, drawing on 733 priced Kia Rio adverts on AskCar as of 8 November 2026.

AskCar lists 774 used Kia Rio from 589 UK dealerships, as of 8 November 2026.

Overview

  • Make: Kia
  • Model: Rio
  • 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: 36,487 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.0 litres, 118 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 125 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Kia Rio GT Line S has covered 36,487 miles, around 7,500 more miles than is typical for its age. Its asking price of £12,695 is £631 above the AskCar estimate of £12,064. To work out the AskCar estimate, we analyse UK dealer adverts for 733 Kia Rio cars across different ages and specifications. We first recorded this car for sale 1 day ago. Its advertised mileage matches the government's MOT record. The seller is Murray Plymouth, based in Plymouth. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £631 (5%) over the AskCar estimate of £12,064.

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 733 priced Kia Rio adverts across different ages and specifications, as of 8 November 2026.

A 2021 Kia Rio with the 1.0 petrol engine is typically advertised at £11,500: the median of the 47 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2021 Kia Rio advertised 1 day ago. About 4 in 10 of 2021 Kia Rio cars are gone from sale within a month of being advertised: 38 of the 102 first advertised between 11 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £12,695. 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 8 November 2026: valid until 26 October 2027.

It has had 3 MOTs. The latest, on 27 October 2026, passed.

Advisories at the latest test: offside front outer brake pad(s) wearing thin VERY CLOSE; items removed from driver's view prior to test.

Mileage at that test: 36,367 miles, which matches the advertised 36,487 miles.

Advertised mileage is about 7,500 miles higher than the median mileage of a 2021 Kia Rio on AskCar.

Similar cars

12 other 2021 Kia Rio GT Line S 1.0 petrol manual hatchbacks are for sale at UK dealers, from £8,995 to £13,995, as of 8 November 2026.

The 3 closest to this car in mileage:

  • 2021 Kia Rio GT Line S, 1.0 petrol hatchback, red. Mileage: 35,541 miles. Price: £11,995, £700 less than this car. Dealer: Waylands Kia Oxford in Oxford. AskCar page: https://askcar.co.uk/car/kia-rio-2021-e31933a82768
  • 2021 Kia Rio GT Line S, 1.0 petrol hatchback, red. Mileage: 29,980 miles. Price: £11,499, £1,196 less than this car. Dealer: Motorpoint Glasgow in Glasgow. AskCar page: https://askcar.co.uk/car/kia-rio-2021-a3d8f29e538e
  • 2021 Kia Rio GT Line S, 1.0 petrol hatchback, white. Mileage: 27,539 miles. Price: £12,495, £200 less than this car. Dealer: Brayleys Cars Brayley Honda Enfield in Enfield. AskCar page: https://askcar.co.uk/car/kia-rio-2021-e0da0e614e7d
  • The nearest: 2021 Kia Rio GT Line S, 1.0 petrol hatchback, red, 94 miles from this car. Mileage: 15,000 miles. Price: £13,995, £1,300 more than this car. Dealer: Gravells Kidwelly in Kidwelly. AskCar page: https://askcar.co.uk/car/kia-rio-2021-784f68508c2a

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

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Photos

8 photos of this car are on its AskCar page.

As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.