Used MG MG3 3FORM Sport prices

There are 26 used MG MG3 3FORM Sport cars for sale from UK dealers on AskCar, as of 1 November 2026. Typical asking price £3,500 (the median: half cost less, half cost more). The cheapest is £1,990. The middle half are priced between £3,000 and £4,700.

Dealers lowered the asking price on more than one in ten of MG MG3 3FORM Sport cars: 4 of the 26 in the 14 days to 1 November 2026.

AskCar lists 1,783 used MG MG3 across the UK, from 641 dealerships.

As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

MG MG3 3FORM Sport cars for sale now, page 1 of 2

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. 23 of the 25 cars listed here meet these rules. Page 2 lists every other MG MG3 3FORM Sport car, cheapest first, including the 2 the groups do not pick from.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 1,737 priced MG MG3 adverts on AskCar as of 1 November 2026. The figures on this page describe the cars advertised, not a valuation of every MG MG3 3FORM Sport.

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 1 car whose advertised mileage is lower than the mileage recorded at its last MOT test.

Best value MG MG3 3FORM Sport: priced furthest below the AskCar estimate

These 10 are priced 3% to 21% under their AskCar estimate. Their asking prices run from £1,990 to £4,299.

Cheapest MG MG3 3FORM Sport: the lowest asking prices

These 10 are priced £1,990 to £3,494. They have covered 42,152 to 100,000 miles.

Lowest-mileage MG MG3 3FORM Sport

These 10 have covered 14,611 to 47,038 miles. Their asking prices run from £2,990 to £6,491.

Recently reduced MG MG3 3FORM Sport: the biggest price reductions in the 14 days to 1 November 2026

The dealer lowered the asking price on each of these 4 in the 14 days to 1 November 2026. Their reductions since AskCar first saw them run from £100 to £400.

Newly advertised MG MG3 3FORM Sport: first seen by AskCar in the 7 days to 1 November 2026

This car is the most recently advertised.

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