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1 sale tracked since 24 Sept 2026 · 1 for sale now
Every B40 that's come off Autotrader since 24 Sept 2026, with its final asking price and how long it took to sell.
What each B40 variant sold for (filled dots) and what the 1 for sale are asking (rings), with monthly medians drawn through them. Click a dot to open the bike.
Solid lines: median sold price per month (3+ sales). Dashed lines: median asking price of bikes currently for sale, by the month they were listed.
By month sold, all variants
How long sold bikes were listed
How many bikes were listed each day since tracking began
Asking price range, with the median marked
Listings added and sold each month
1 live listing from Autotrader · from £4,400 · median £4,400
Sold and asking prices against mileage. Each dot is a bike; click one to open it.
Month-by-month sold prices, asking prices, time to sell and supply for used BSA B40 bikes on Autotrader UK. Updated 19 Oct 2026.
As of 19 Oct 2026, there is 1 used BSA B40 bike for sale on Autotrader UK, with a median asking price of £4,400. In the last 30 days, 1 BSA B40 bike has sold. 1 new BSA B40 listings appeared over the same period, so supply is steady.
There have not yet been enough BSA B40 sales in a single month to read a month-on-month price trend; 1 sale has been recorded so far.
Autotrender has recorded 1 BSA B40 sale on Autotrader since 11 Jun 2026 at £3,495.
| Month | Median asking | Median sold | Sold | Days to sell | New listings | For sale at month end |
|---|---|---|---|---|---|---|
| July 2026 | £3,495 | – | 0 | – | 0 | 1 |
| September 2026 | £4,400 | – | 1 | – | 1 | 1 |
| October 2026 so far | – | – | 0 | – | 0 | 1 |
The median asking price for a used BSA B40 on Autotrader UK is £4,400, across 1 bike for sale as of 19 Oct 2026.
There have not yet been enough BSA B40 sales in consecutive months to call a direction; Autotrender has recorded 1 sale so far and the trend will appear here as more come through.
There is 1 used BSA B40 bike for sale on Autotrader UK as of 19 Oct 2026. In the last 30 days 1 were newly listed and 1 sold.
Autotrender records every BSA listing on Autotrader UK twice a day (since 11 Jun 2026). A bike counts as sold when its advert is removed, and its sold price is the final asking price before it came off; days to sell run from the advert's listing date to its removal. Medians are used throughout, and months with fewer than 5 sales are not used to call a trend.
Recomputed after every Autotrader scan. Plain-text version for citation: /make/bsa/model/b40/report.md · About Autotrender