2021 MG MG3 prices

There are 47 used 2021 MG MG3 cars for sale from UK dealers on AskCar, as of 10 November 2026. Typical asking price £8,000 (the median: half cost less, half cost more). The cheapest is £5,000. The middle half are priced between £7,500 and £8,400. Median mileage: about 30,000 miles.

Dealers lowered the asking price on more than one in ten of 2021 MG MG3 cars: 8 of the 47 in the 14 days to 10 November 2026.

2021 MG MG3 prices by engine and mileage

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
1.5 petrol£8,000Too few for sale£8,000Too few for saleToo few for sale

2021 MG MG3 prices by trim

TrimTypical asking price, 2021 cars
Exclusive NAV£8,000
ExciteToo few for sale
ExclusiveToo few for sale

Only 9 of the 2021 MG MG3 cars for sale are Excite, too few to give a typical asking price.

Only 4 of the 2021 MG MG3 cars for sale are Exclusive, too few to give a typical asking price.

Typical asking prices are of 2021 MG MG3 cars for sale on 10 November 2026, and are given only where at least 20 cars with a price are for sale.

2021 MG MG3 against other years

A 2020 MG MG3 car has a typical asking price of £7,500 and a 2022 one £8,500, as of 10 November 2026.

AskCar lists 1,872 used MG MG3 across the UK, from 657 dealerships.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2021 MG MG3 cars for sale now, page 2 of 2

This page lists 2021 MG MG3 cars not picked out on page 1, cheapest first.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 1,818 priced MG MG3 adverts on AskCar as of 10 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2021 MG MG3.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 3 cars whose advertised mileage is lower than the mileage recorded at their last MOT test.

MG MG3 by gearbox, fuel and body

MG MG3 prices by year

MG MG3 by trim

2021 MG MG3 by trim

MG MG3 by price

MG MG3 near you

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