2021 MG MG3 1.5 VTi-TECH Exclusive NAV

Overview

• Make: MG
• Model: MG3
• Trim: Exclusive NAV
• Version: 1.5 VTi Tech Exclusive NAV Manual FWD Euro 6 (s/s) 5dr (105 bhp)
• Year: 2021
• Mileage: 36,668 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 105 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 147 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 MG MG3 Exclusive Nav has covered 36,668 miles, around 6,400 more miles than is typical for its age. The dealer is asking £7,499, which is £365 below the AskCar estimate of £7,864. To work out the AskCar estimate, we analyse UK dealer adverts for 1,733 MG MG3 cars across different ages and specifications. It first appeared in our advert records 38 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Mayesbrook Autos in Barking. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £365 (4%) under the AskCar estimate of £7,864.

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 1,733 priced MG MG3 adverts across different ages and specifications, as of 2 November 2026.

A 2021 MG MG3 with the 1.5 petrol engine is typically advertised at £8,000: the median of the 45 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2021 MG MG3 has been on sale for at least 38 days.

Price history

AskCar first saw this advert on 25 September 2026 at £7,499. 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 2 November 2026: valid until 1 March 2027.

It failed its MOT on 24 February 2026 (tyre pressure monitoring system malfunctioning or obviously inoperative) and passed later the same day.

Advisories at the latest test: front registration plate deteriorated but not likely to be misread.

Mileage at that test: 36,452 miles, which matches the advertised 36,668 miles.

Advertised mileage is about 6,400 miles higher than the median mileage of a 2021 MG MG3 on AskCar.

Similar cars

31 other 2021 MG MG3 Exclusive NAV 1.5 petrol manual hatchbacks are for sale at UK dealers, from £5,000 to £9,799, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, red. Mileage: 37,000 miles. Price: £7,500, the same price as this car. Dealer: Monks Cross Used Cars in York. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-2407de2c1b74
• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, black. Mileage: 37,130 miles. Price: £7,594, £95 more than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-a8bd237eef3f
• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, silver. Mileage: 35,988 miles. Price: £7,990, £491 more than this car. Dealer: Toccar in Barton-upon-Humber. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-9818d0ddc3c9

• The nearest: 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, silver, 6 miles from this car. Mileage: 5,900 miles. Price: £9,799, £2,300 more than this car. Dealer: WLMG Upminster MG in Upminster. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-fcecc6ce9f8f