2021 Kia Rio 1.0 T-GDi MHEV 3

Overview

• Make: Kia
• Model: Rio
• Trim: 3
• Version: 1.0 T-GDi Mhev 3 Manual FWD Euro 6 (s/s) 5dr (118 bhp)
• Year: 2021
• Mileage: 17,331 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: 118 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 17,331 miles on the clock, this 2021 Kia Rio 3 has done roughly 14,500 fewer miles than a typical 2021 Kia Rio. Priced at £12,658, it is advertised £390 below the AskCar estimate of £13,048. The AskCar estimate uses 724 UK dealer adverts for the Kia Rio, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 48 days ago. Its asking price has since fallen by £56. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Allen Motor Group Brentwood Kia, based in Brentwood. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £390 (2%) under the AskCar estimate of £13,048.

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 724 priced Kia Rio adverts across different ages and specifications, as of 5 November 2026.

A 2021 Kia Rio with the 1.0 petrol engine is typically advertised at £11,500: the median of the 48 for sale on AskCar, as of 5 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 18 September 2026 at £12,714. Its asking price is now £12,658, £56 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

• 18 September 2026: £12,714
• 11 October 2026: £12,698
• 15 October 2026: £12,658

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 25 June 2027.

It has had 3 MOTs. The latest, on 22 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 16,819 miles, which matches the advertised 17,331 miles.

Advertised mileage is about 14,500 miles lower than the median mileage of a 2021 Kia Rio on AskCar.

Similar cars

10 other 2021 Kia Rio 3 1.0 petrol manual hatchbacks are for sale at UK dealers, from £9,770 to £13,095, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2021 Kia Rio 3, 1.0 petrol hatchback, silver. Mileage: 17,855 miles. Price: £13,095, £437 more than this car. Dealer: Group 1 Kia Coulsdon in Coulsdon. AskCar page: https://askcar.co.uk/car/kia-rio-2021-b96971530f9f
• 2021 Kia Rio 3, 1.0 petrol hatchback, white. Mileage: 20,196 miles. Price: £12,999, £341 more than this car. Dealer: Hendy Ford Tunbridge Wells in Royal Tunbridge Wells. AskCar page: https://askcar.co.uk/car/kia-rio-2021-4ec2bf79cb13
• 2021 Kia Rio 3, 1.0 petrol hatchback, black. Mileage: 14,245 miles. Price: £12,995, £337 more than this car. Dealer: Newbarn Car Sales in Bognor Regis. AskCar page: https://askcar.co.uk/car/kia-rio-2021-8673de50c53f

• The nearest: 2021 Kia Rio 3, 1.0 petrol hatchback, white, 15 miles from this car. Mileage: 59,083 miles. Price: £9,770, £2,888 less than this car. Dealer: Big Motoring World Enfield in Enfield. AskCar page: https://askcar.co.uk/car/kia-rio-2021-c605c41fef1c