2021 MG MG3 1.5 VTi-TECH Exclusive NAV

Price: £7,594. Fair price: £249 (3%) under the AskCar estimate of £7,843, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,733 priced MG MG3 adverts on AskCar as of 2 November 2026.

AskCar lists 1,784 used MG MG3 from 655 UK dealerships, as of 2 November 2026.

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: 37,130 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

At 37,130 miles, this 2021 MG MG3 Exclusive Nav has covered about 6,800 more miles than other 2021 MG MG3 cars. The AskCar estimate for this car is £7,843. It is priced at £7,594, which is £249 below that estimate. The AskCar estimate uses UK dealer asking prices, including 1,733 MG MG3 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 80 days ago. Its asking price has since fallen by £204. The government's MOT record matches its advertised mileage. It is advertised by Eddie Wright Car Supermarket in Scunthorpe. 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: £249 (3%) under the AskCar estimate of £7,843.

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 80 days.

Price history

AskCar first saw this advert on 14 August 2026 at £7,798. Its asking price is now £7,594, £204 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

  • 14 August 2026: £7,798
  • 30 September 2026: £7,698
  • 10 October 2026: £7,594

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 5 August 2027.

It has had 4 MOTs. The latest, on 22 July 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 37,037 miles, which matches the advertised 37,130 miles.

Advertised mileage is about 6,800 miles higher 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, red. Mileage: 37,000 miles. Price: £7,500, £94 less than this car. Dealer: Monks Cross Used Cars in York. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-2407de2c1b74
  • 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, white. Mileage: 36,668 miles. Price: £7,499, £95 less than this car. Dealer: Mayesbrook Autos in Barking. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-3fde4a3078c7
  • 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, silver. Mileage: 35,988 miles. Price: £7,990, £396 more than this car. Dealer: Toccar in Barton-upon-Humber. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-9818d0ddc3c9
  • The nearest: 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, black, under a mile from this car. Mileage: 34,832 miles. Price: £7,898, £304 more than this car. Dealer: Eddie Wright Car Supermarket in Scunthorpe. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-6f1e6342198e

Browse all MG MG3 cars for sale · 2021 MG MG3 price guide

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Photos

38 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.