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: 26,025 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

With 26,025 miles on the clock, this 2021 MG MG3 Exclusive Nav has done roughly 4,700 fewer miles than a typical 2021 MG MG3. Its asking price of £8,650 is £335 above the AskCar estimate of £8,315. The AskCar estimate draws on 1,789 MG MG3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 40 days ago. Its advertised mileage matches the government's MOT record. It is for sale at J&J Motors Ni in Newtownards. 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: £335 (4%) over the AskCar estimate of £8,315.

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 1,789 priced MG MG3 adverts across different ages and specifications, as of 4 November 2026.

A 2021 MG MG3 with the 1.5 petrol engine is typically advertised at £8,000: the median of the 46 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2021 MG MG3 has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 25 September 2026 at £8,650. 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 25 November 2026.

It has had one MOT, on 26 November 2025, and passed.

There were no advisories at the latest test.

Mileage at that test: 21,550 miles, which matches the advertised 26,025 miles.

Advertised mileage is about 4,700 miles lower than the median mileage of a 2021 MG MG3 on AskCar.

Similar cars

32 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 4 November 2026.

The 3 closest to this car in mileage:

• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, red. Mileage: 26,514 miles. Price: £8,899, £249 more than this car. Dealer: cinch Corby in Corby. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-5a003cd99c45
• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, blue. Mileage: 25,000 miles. Price: £7,995, £655 less than this car. Dealer: Kingsbridge Motor Sales in Newbury. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-ad7a63c70b19
• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, yellow. Mileage: 28,902 miles. Price: £7,489, £1,161 less than this car. Dealer: Stevenage Motor Centre in Stevenage. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-be68804d03cd

• The nearest: 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, yellow, 133 miles from this car. Mileage: 52,591 miles. Price: £6,995, £1,655 less than this car. Dealer: Longstone Edinburgh in Edinburgh. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-30726418184e