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: 15,234 miles
• Fuel: Petrol, mild hybrid
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.0 litres, 118 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 125 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Kia Rio GT Line S has covered 15,234 miles, around 20,000 fewer miles than is typical for its age. The dealer is asking £12,499, which is £1,147 below the AskCar estimate of £13,646. To work out the AskCar estimate, we analyse UK dealer adverts for 717 Kia Rio cars across different ages and specifications. We first recorded this advert 116 days ago, and its asking price has since fallen by £942. Our records show an MOT expiry date of 25 July 2026, which has passed. Ask the dealer for an update. We checked its advertised mileage against the government's MOT record, and they match. The seller is Marshall Honda Blackburn, based in Blackburn. 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

Good value: £1,147 (8%) under the AskCar estimate of £13,646.

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 116 days.

Price history

AskCar first saw this advert on 11 July 2026 at £13,441. Its asking price is now £12,499, £942 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 11 July 2026: £13,441
• 23 July 2026: £13,700
• 4 August 2026: £13,600
• 11 August 2026: £13,291
• 14 August 2026: £13,391
• 17 August 2026: £13,591
• 21 August 2026: £13,700
• 28 August 2026: £13,800
• 4 September 2026: £13,700
• 5 September 2026: £13,600
• 10 September 2026: £13,400
• 16 September 2026: £13,300
• 25 September 2026: £13,100
• 1 October 2026: £13,000
• 8 October 2026: £12,750
• 15 October 2026: £12,559
• 22 October 2026: £12,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 25 July 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 14 July 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 11,007 miles, which matches the advertised 15,234 miles.

Advertised mileage is about 20,000 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, red. Mileage: 15,000 miles. Price: £13,995, £1,496 more than this car. Dealer: Gravells Kidwelly in Kidwelly. AskCar page: https://askcar.co.uk/car/kia-rio-2021-784f68508c2a
• 2021 Kia Rio GT Line S, 1.0 petrol hatchback, red. Mileage: 14,276 miles. Price: £13,388, £889 more 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, £1,496 more than this car. Dealer: Church Wharf Garage in Bolton. AskCar page: https://askcar.co.uk/car/kia-rio-2021-90f285564480