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: 34,000 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 1.5 litres, 105 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Silver
• CO2: 147 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 MG MG3 Exclusive Nav has covered 34,000 miles. Its asking price of £8,253 is £302 above the AskCar estimate of £7,951. The AskCar estimate uses UK dealer asking prices, including 1,838 MG MG3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 15 days ago. The latest MOT recorded 34,517 miles, above the advertised mileage. Check this with the dealer. Its MOT is recorded as valid until 28 October 2027. The seller is Chorley Group MG Chorley, based in Chorley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £302 (3%) over the AskCar estimate of £7,951.

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 1,838 priced MG MG3 adverts across different ages and specifications, as of 12 November 2026.

A 2021 MG MG3 with the 1.5 petrol engine is typically advertised at £8,000: the median of the 47 for sale on AskCar, as of 12 November 2026.

Time on sale

This 2021 MG MG3 has been on sale for at least 15 days.

Price history

AskCar first saw this advert on 28 October 2026 at £8,161. Its asking price is now £8,253, £92 more.

Price changes recorded:

• 28 October 2026: £8,161
• 4 November 2026: £8,271
• 7 November 2026: £8,253

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 12 November 2026: valid until 28 October 2027.

It has had 3 MOTs. The latest, on 23 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 34,517 miles. The advert says 34,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 3,300 miles higher than the median mileage of a 2021 MG MG3 on AskCar.

Similar cars

34 other 2021 MG MG3 Exclusive NAV 1.5 petrol manual hatchbacks are for sale at UK dealers, from £5,000 to £9,599, as of 12 November 2026.

The 3 closest to this car in mileage:

• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, red. Mileage: 33,357 miles. Price: £7,798, £455 less than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-aca5c1b6eaf6
• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, red. Mileage: 34,724 miles. Price: £7,500, £753 less than this car. Dealer: Central Garages Torbay in Torquay. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-7ad7beeb656b
• 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, black. Mileage: 34,832 miles. Price: £7,898, £355 less than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-6f1e6342198e

• The nearest: 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, blue, 25 miles from this car. Mileage: 29,000 miles. Price: £7,595, £658 less than this car. Dealer: Ashley Cars in Altrincham. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-2f5f4988c3fc