2021 MG MG3 1.5 VTi-TECH Exclusive NAV

Price: £7,798. Fair price: £218 (2%) under the AskCar estimate of £8,016, 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: 33,357 miles
  • Fuel: Petrol
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 1.5 litres, 105 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Red
  • CO2: 147 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 MG MG3 Exclusive Nav has covered 33,357 miles, around 3,000 more miles than is typical for its age. The dealer is asking £7,798, which is £218 below the AskCar estimate of £8,016. 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 5 days ago. Its advertised mileage matches the government's MOT record. 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: £218 (2%) under the AskCar estimate of £8,016.

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

AskCar first saw this 2021 MG MG3 advertised 5 days ago. About 4 in 10 of 2021 MG MG3 cars are gone from sale within a month of being advertised: 28 of the 68 first advertised between 13 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 28 October 2026 at £7,798. 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 30 September 2027.

It has had 4 MOTs. The latest, on 21 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 33,205 miles, which matches the advertised 33,357 miles.

Advertised mileage is about 3,000 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, silver. Mileage: 34,000 miles. Price: £8,161, £363 more than this car. Dealer: Chorley Group MG Chorley in Chorley. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-8ca75f015dbb
  • 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, red. Mileage: 32,248 miles. Price: £7,789, the same price as this car. Dealer: Stevenage Motor Centre in Stevenage. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-f857f191648e
  • 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, black. Mileage: 34,832 miles. Price: £7,898, £100 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

10 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.