2021 Kia Rio 1.0 T-GDi MHEV GT Line S

Price: £12,198. Fair price: £499 (4%) over the AskCar estimate of £11,699, 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: 42,156 miles
  • Fuel: Petrol, mild hybrid
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.0 litres, 118 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Yellow
  • CO2: 125 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Kia Rio GT Line S is advertised with 42,156 miles, approximately 6,900 above the typical mileage for its age. The AskCar estimate for this car is £11,699. It is priced at £12,198, which is £499 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 717 Kia Rio cars across different ages and specifications. This car was first seen in our listings data 10 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Vertu Honda Plymouth, based in Plymouth. 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: £499 (4%) over the AskCar estimate of £11,699.

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 10 days.

Price history

AskCar first saw this advert on 25 October 2026 at £12,198. 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 17 September 2027.

It has had 3 MOTs. The latest, on 18 August 2026, passed.

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 40,914 miles, which matches the advertised 42,156 miles.

Advertised mileage is about 6,900 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 £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, red. Mileage: 35,541 miles. Price: £11,995, £203 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, £699 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, £297 more 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, 92 miles from this car. Mileage: 15,000 miles. Price: £13,995, £1,797 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

45 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.