2026 MG MG3 SE prices

There are 399 used 2026 MG MG3 SE cars for sale from UK dealers on AskCar, as of 6 November 2026. Typical asking price £15,000 (the median: half cost less, half cost more). The cheapest is £12,249. The middle half are priced between £15,000 and £18,000. Median mileage: about 0 miles.

Dealers lowered the asking price on 30 of the 399 2026 MG MG3 SE cars in the 14 days to 6 November 2026.

2026 MG MG3 SE 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£15,000£15,000Too few for saleToo few for saleToo few for sale

Typical asking prices are of 2026 MG MG3 SE cars for sale on 6 November 2026, and are given only where at least 20 cars with a price are for sale.

2026 MG MG3 SE against other years

A 2025 MG MG3 SE car has a typical asking price of £13,000, as of 6 November 2026.

AskCar lists 1,870 used MG MG3 across the UK, from 667 dealerships.

As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2026 MG MG3 SE cars for sale now, page 1 of 9

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. 378 of the 399 cars listed here meet these rules. Pages 2 to 9 list every other 2026 MG MG3 SE car, cheapest first, including the 21 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 1,828 priced MG MG3 adverts on AskCar as of 6 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2026 MG MG3 SE.

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.

Best value 2026 MG MG3 SE: priced furthest below the AskCar estimate

These 10 are priced 16% under their AskCar estimate. Their asking prices run from £12,249 to £15,692.

Cheapest 2026 MG MG3 SE: the lowest asking prices

These 10 are priced £12,249 to £13,990. They have covered 3 to 2,699 miles.

Lowest-mileage 2026 MG MG3 SE

These 10 have covered 1 miles. Their asking prices run from £14,998 to £19,995.

Recently reduced 2026 MG MG3 SE: the biggest price reductions in the 14 days to 6 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 6 November 2026. Their reductions since AskCar first saw them run from £1,200 to £2,600.

Newly advertised 2026 MG MG3 SE: first seen by AskCar in the 7 days to 6 November 2026

These 8 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

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