2021 Kia Rio 1.0 T-GDi MHEV GT Line S

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: 35,541 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

The advertised mileage for this 2021 Kia Rio GT Line S is 35,541 miles. Its asking price of £11,995 is £203 below the AskCar estimate of £12,198. The AskCar estimate uses UK dealer asking prices, including 717 Kia Rio adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 48 days ago, and its asking price has since fallen by £800. The government's MOT record matches its advertised mileage. It is advertised by Waylands Kia Oxford in Kidlington. 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: £203 (1%) under the AskCar estimate of £12,198.

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 48 days.

Price history

AskCar first saw this advert on 17 September 2026 at £12,795. Its asking price is now £11,995, £800 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 17 September 2026: £12,795
• 7 October 2026: £12,845
• 15 October 2026: £12,595
• 28 October 2026: £11,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 25 January 2027.

It has had 3 MOTs. The latest, on 27 December 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 26,884 miles, which matches the advertised 35,541 miles.

Advertised mileage is about 300 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: 29,980 miles. Price: £11,499, £496 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, yellow. Mileage: 42,156 miles. Price: £12,198, £203 more than this car. Dealer: Vertu Honda Plymouth in Plymouth. AskCar page: https://askcar.co.uk/car/kia-rio-2021-ada3ee50c2dc
• 2021 Kia Rio GT Line S, 1.0 petrol hatchback, white. Mileage: 27,539 miles. Price: £12,495, £500 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, yellow, 45 miles from this car. Mileage: 67,000 miles. Price: £9,495, £2,500 less than this car. Dealer: Baldock Car Sales in Shefford. AskCar page: https://askcar.co.uk/car/kia-rio-2021-bca7468dde59