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 £8,271 is £298 above the AskCar estimate of £7,973. The AskCar estimate uses UK dealer asking prices, including 1,789 MG MG3 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 7 days. The advertised mileage is lower than the latest MOT reading of 34,517 miles. Ask the dealer to explain. 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 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £298 (3%) over the AskCar estimate of £7,973.

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 7 days.

Price history

AskCar first saw this advert on 28 October 2026 at £8,161. Its asking price is now £8,271, £110 more.

Price changes recorded:

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

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 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

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: 33,357 miles. Price: £7,798, £473 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, £771 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, £373 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, £676 less than this car. Dealer: Ashley Cars in Altrincham. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-2f5f4988c3fc