2021 MG MG3 1.5 VTi-TECH Exclusive NAV

Price: £7,990. Fair price: £388 (5%) over the AskCar estimate of £7,602, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,843 priced MG MG3 adverts on AskCar as of 14 November 2026.

AskCar lists 1,916 used MG MG3 from 661 UK dealerships, as of 14 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: 42,185 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

With 42,185 miles on the clock, this 2021 MG MG3 Exclusive Nav has done roughly 11,300 more miles than a typical 2021 MG MG3. The AskCar estimate for this car is £7,602. It is priced at £7,990, which is £388 above that estimate. The AskCar estimate uses UK dealer asking prices, including 1,843 MG MG3 adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 1 day ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Summit Garage, based in Dudley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 14 November 2026.

How we estimate prices and check cars

Summit Garage is rated 4.8 out of 5 on Google.

Price

Fair price: £388 (5%) over the AskCar estimate of £7,602.

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 1,843 priced MG MG3 adverts across different ages and specifications, as of 14 November 2026.

A 2021 MG MG3 with the 1.5 petrol engine is typically advertised at £8,000: the median of the 48 for sale on AskCar, as of 14 November 2026.

Time on sale

AskCar first saw this 2021 MG MG3 advertised 1 day ago. About 4 in 10 of 2021 MG MG3 cars are gone from sale within a month of being advertised: 28 of the 71 first advertised between 15 July 2026 and 11 October 2026.

Price history

AskCar first saw this advert on 13 November 2026 at £7,990. 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 14 November 2026: valid until 20 October 2027.

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

There were no advisories at the latest test.

Mileage at that test: 42,275 miles, which matches the advertised 42,185 miles.

Advertised mileage is about 11,300 miles higher than the median mileage of a 2021 MG MG3 on AskCar.

Similar cars

35 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 14 November 2026.

The 3 closest to this car in mileage:

  • 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, red. Mileage: 42,636 miles. Price: £8,498, £508 more than this car. Dealer: Arnold Clark Stirling Renault / Dacia / Hyundai / Vanstore in Stirling. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-71888ee302d0
  • 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, white. Mileage: 41,227 miles. Price: £7,150, £840 less than this car. Dealer: Big Car World - St. Margarets in Leicester. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-7f803ed98bb7
  • 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, silver. Mileage: 43,519 miles. Price: £7,640, £350 less than this car. Dealer: Dace Motor Company - Trading Standards Approved in Stockport. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-07f11eb1c943
  • The nearest: 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, silver, 7 miles from this car. Mileage: 30,745 miles. Price: £8,499, £509 more than this car. Dealer: Bripark Willenhall in Walsall. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-17a8f4e11500

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

More like this

Photos

61 photos of this car are on its AskCar page.

As of 14 November 2026, AskCar lists 600,711 cars and vans from 12,770 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.