2021 Kia Rio 1.0 T-GDi MHEV GT Line S

Price: £13,995. Fair price: £332 (2%) over the AskCar estimate of £13,663, our expected asking price for this car from its model, age, mileage and specification, drawing on 717 priced Kia Rio adverts on AskCar as of 4 November 2026.

AskCar lists 755 used Kia Rio from 578 UK dealerships, as of 4 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: 15,000 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.0 litres, 118 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 125 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

With 15,000 miles on the clock, this 2021 Kia Rio GT Line S has done roughly 20,300 fewer miles than a typical 2021 Kia Rio. The AskCar estimate for this car is £13,663. It is priced at £13,995, which is £332 above that estimate. The AskCar estimate uses UK dealer asking prices, including 717 Kia Rio adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 35 days. MOT records show an expiry date of 6 July 2027. The seller is Gravells Kidwelly, based in Kidwelly. 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: £332 (2%) over the AskCar estimate of £13,663.

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 717 priced Kia Rio adverts across different ages and specifications, as of 4 November 2026.

A 2021 Kia Rio with the 1.0 petrol engine is typically advertised at £11,600: the median of the 48 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 Kia Rio has been on sale for at least 35 days.

Price history

AskCar first saw this advert on 30 September 2026 at £13,995. 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 4 November 2026: valid until 6 July 2027.

Advertised mileage is about 20,300 miles lower 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 £9,495 to £13,995, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 Kia Rio GT Line S, 1.0 petrol hatchback, blue. Mileage: 15,234 miles. Price: £12,499, £1,496 less than this car. Dealer: Marshall Honda Blackburn in Blackburn. AskCar page: https://askcar.co.uk/car/kia-rio-2021-d660c62723d9
  • 2021 Kia Rio GT Line S, 1.0 petrol hatchback, red. Mileage: 14,276 miles. Price: £13,388, £607 less than this car. Dealer: RRG Kia Bury in Bury. AskCar page: https://askcar.co.uk/car/kia-rio-2021-dba533efafe4
  • 2021 Kia Rio GT Line S, 1.0 petrol hatchback, grey. Mileage: 14,187 miles. Price: £13,995, the same price as this car. Dealer: Church Wharf Garage in Bolton. AskCar page: https://askcar.co.uk/car/kia-rio-2021-90f285564480
  • The nearest: 2021 Kia Rio GT Line S, 1.0 petrol hatchback, white, 50 miles from this car. Mileage: 62,244 miles. Price: £10,395, £3,600 less than this car. Dealer: Squire Cars Abertillery in Abertillery. AskCar page: https://askcar.co.uk/car/kia-rio-2021-02b0c4dc4325

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

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Photos

11 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.