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: 30,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 105 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Black
• CO2: 147 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 MG MG3 Exclusive Nav is advertised with 30,000 miles on the clock. The dealer is asking £8,000, which is £174 below the AskCar estimate of £8,174. To work out the AskCar estimate, we analyse UK dealer adverts for 1,733 MG MG3 cars across different ages and specifications. This car was first seen in our listings data 35 days ago. The latest MOT recorded 30,844 miles, above the advertised mileage. Check this with the dealer. The latest recorded MOT expires on 31 August 2027. It is for sale at M.m.r Motor Group in Newcastle Upon Tyne. 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: £174 (2%) under the AskCar estimate of £8,174.

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 35 days.

Price history

AskCar first saw this advert on 28 September 2026 at £8,000. 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 31 August 2027.

It has had 3 MOTs. The latest, on 28 August 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 30,844 miles. The advert says 30,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 300 miles lower 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, white. Mileage: 30,185 miles. Price: £7,995, the same price as this car. Dealer: Whoop Cars in Darton. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-7f5c1913fce8
• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, black. Mileage: 30,314 miles. Price: £8,290, £290 more than this car. Dealer: Motor Gurus in Sheffield. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-41c455728c02
• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, white. Mileage: 30,682 miles. Price: £7,850, £150 less than this car. Dealer: Big Car World - St. Margarets in Leicester. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-f0f36c716bdf

• The nearest: 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, red, 3 miles from this car. Mileage: 16,167 miles. Price: £9,499, £1,499 more than this car. Dealer: Tustain Motors Cramlington in Cramlington. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-ed3cf2571e23