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: 29,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 105 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 147 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2021 MG MG3 Exclusive Nav is 29,000 miles. Its asking price of £7,595 is £604 below the AskCar estimate of £8,199. The AskCar estimate draws on 1,789 MG MG3 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We have tracked this advert for 87 days. Its advertised mileage matches the government's MOT record. It is for sale at Ashley Cars in Altrincham. 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: £604 (7%) under the AskCar estimate of £8,199.

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 87 days.

Price history

AskCar first saw this advert on 9 August 2026 at £7,595. 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 10 June 2027.

It has had 4 MOTs. The latest, on 9 June 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 28,565 miles, which matches the advertised 29,000 miles.

Advertised mileage is about 1,700 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, yellow. Mileage: 28,902 miles. Price: £7,489, £106 less than this car. Dealer: Stevenage Motor Centre in Stevenage. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-be68804d03cd
• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, black. Mileage: 29,154 miles. Price: £7,790, £195 more than this car. Dealer: Arthur George Motors in Billingham. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-5e24ac1393ab
• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, black. Mileage: 30,000 miles. Price: £8,000, £405 more than this car. Dealer: M.m.r Motor Group in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-4da83debd6e1

• The nearest: 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, silver, 9 miles from this car. Mileage: 43,519 miles. Price: £7,740, £145 more than this car. Dealer: Dace Motor Company - Trading Standards Approved in Stockport. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-07f11eb1c943