Used BYD Seal U Boost prices

There are 365 used BYD Seal U Boost cars for sale from UK dealers on AskCar, as of 5 November 2026. Typical asking price £25,000 (the median: half cost less, half cost more). The cheapest is £22,440. The middle half are priced between £24,000 and £27,000.

Dealers lowered the asking price on more than a third of BYD Seal U Boost cars: 123 of the 365 in the 14 days to 5 November 2026.

BYD Seal U Boost prices by year

A 2026 BYD Seal U Boost typically costs £27,000, against £27,000 for all 2026 BYD Seal U cars, as of 5 November 2026.

YearTypical asking priceTypical mileage
2026 BYD Seal U Boost£27,0003,000 miles
2025 BYD Seal U Boost£24,0007,000 miles

Typical asking prices are of BYD Seal U Boost cars for sale on 5 November 2026, and are given only where at least 20 cars with a price are for sale.

AskCar lists 882 used BYD Seal U across the UK, from 161 dealerships.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

BYD Seal U Boost cars for sale now, page 1 of 8

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. 344 of the 365 cars listed here meet these rules. Pages 2 to 8 list every other BYD Seal U Boost 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 859 priced BYD Seal U adverts on AskCar as of 5 November 2026. The figures on this page describe the cars advertised, not a valuation of every BYD Seal U Boost.

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 BYD Seal U Boost: priced furthest below the AskCar estimate

These 10 are priced 6% to 9% under their AskCar estimate. Their asking prices run from £22,490 to £24,950.

Cheapest BYD Seal U Boost: the lowest asking prices

These 10 are priced £22,440 to £22,795. They have covered 6,259 to 14,340 miles.

Lowest-mileage BYD Seal U Boost

These 10 have covered 1 miles. Their asking prices run from £26,998 to £32,495.

Recently reduced BYD Seal U Boost: the biggest price reductions in the 14 days to 5 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 5 November 2026. Their reductions since AskCar first saw them run from £2,395 to £8,998.

Newly advertised BYD Seal U Boost: first seen by AskCar in the 7 days to 5 November 2026

These 10 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

BYD Seal U prices by year

BYD Seal U by trim

BYD Seal U by price

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