2021 MG MG3 1.5 VTi-TECH Exclusive NAV

Price: £9,799. Fair price: £483 (5%) over the AskCar estimate of £9,316, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,789 priced MG MG3 adverts on AskCar as of 4 November 2026.

AskCar lists 1,832 used MG MG3 from 663 UK dealerships, as of 4 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: 5,900 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 5,900 miles on the clock, this 2021 MG MG3 Exclusive Nav has done roughly 24,800 fewer miles than a typical 2021 MG MG3. The AskCar estimate for this car is £9,316. It is priced at £9,799, which is £483 above that estimate. 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 first saw this car advertised 133 days ago. Its asking price has since fallen by £200. The recorded MOT expired on 29 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at WLMG Upminster MG in Havering. 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: £483 (5%) over the AskCar estimate of £9,316.

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 133 days.

Price history

AskCar first saw this advert on 24 June 2026 at £9,999. Its asking price is now £9,799, £200 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

  • 25 June 2026: £9,999
  • 17 July 2026: £8,999
  • 23 July 2026: £9,499
  • 25 September 2026: £9,995
  • 2 October 2026: £9,999
  • 8 October 2026: £9,799

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: the latest record we hold ran out on 29 September 2026; ask the dealer for the current MOT.

It has had 2 MOTs. The latest, on 30 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 5,143 miles, which matches the advertised 5,900 miles.

Advertised mileage is about 24,800 miles lower 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 £9,499, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, black. Mileage: 14,486 miles. Price: £9,499, £300 less than this car. Dealer: Bridgend Motor Group in Gateshead. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-777c292676c7
  • 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, red. Mileage: 16,167 miles. Price: £9,499, £300 less than this car. Dealer: Tustain Motors Cramlington in Cramlington. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-ed3cf2571e23
  • 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, black. Mileage: 16,890 miles. Price: £7,999, £1,800 less than this car. Dealer: Richard Hardie Silverlink in Tynemouth. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-ed1bb0b03c8f
  • The nearest: 2021 MG MG3 Exclusive NAV, 1.5 petrol hatchback, white, 6 miles from this car. Mileage: 36,668 miles. Price: £7,499, £2,300 less than this car. Dealer: Mayesbrook Autos in Barking. AskCar page: https://askcar.co.uk/car/mg-mg3-2021-3fde4a3078c7

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

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Photos

24 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.