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280 sales tracked since 29 May 2026 · 84 for sale now
Every Speed 400 that's come off Autotrader since 29 May 2026, with its final asking price and how long it took to sell.
What each Speed 400 variant sold for (filled dots) and what the 84 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. 3 bikes listed before the chart starts are not shown.
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
84 live listings from Autotrader · from £3,200 · median £4,299
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 Triumph Speed 400 bikes on Autotrader UK. Updated 20 Oct 2026.
As of 20 Oct 2026, there are 84 used Triumph Speed 400 bikes for sale on Autotrader UK, with a median asking price of £4,299. In the last 30 days, 37 Triumph Speed 400 bikes have sold at a median price of £4,299, taking a median of 18 days to sell. 56 new Triumph Speed 400 listings appeared over the same period, so supply is growing.
In October 2026, the median sold price for a used Triumph Speed 400 was £4,295, down 4.6% on September 2026's £4,500 (15 sales). Asking prices were broadly flat over the same period, at a median of £4,289. 15 bikes sold in October 2026 compared with 43 in September 2026. The number for sale rose 21.7% to 84 by the end of October 2026. Over the last 90 days the median sold price was £4,395, down 4.3% on the previous 90 days (£4,595).
Autotrender has recorded 280 Triumph Speed 400 sales on Autotrader since 28 May 2026, with final asking prices from £2,550 to £5,444 and a median of £4,494. The typical Triumph Speed 400 took 17 days to sell.
| Month | Median asking | Median sold | Sold | Days to sell | New listings | For sale at month end |
|---|---|---|---|---|---|---|
| June 2026 | £4,437 | £4,499 | 75 | 19 days | 71 | 65 |
| July 2026 |
|---|
| £4,470 |
| £4,595 |
| 86 |
| 14 days |
| 67 |
| 46 |
| August 2026 | £4,325 | £4,299 | 55 | 16 days | 49 | 40 |
|---|
| September 2026 | £4,299 | £4,500 | 43 | 15 days | 72 | 69 |
|---|
| October 2026 so far | £4,289No change | £4,2955% | 1565% | 19 days27% | 30 | 8422% |
|---|
The median asking price for a used Triumph Speed 400 on Autotrader UK is £4,299, across 84 bikes for sale as of 20 Oct 2026. Bikes that sold in the last 30 days went for a median of £4,299. Across all 280 recorded sales the median sold price is £4,494.
Triumph Speed 400 sold prices were down 4.6% month on month: the median went from £4,500 in September 2026 to £4,295 in October 2026. Asking prices were broadly flat over the same period.
The median used Triumph Speed 400 sells within 17 days of being listed on Autotrader, based on 280 recorded sales. Bikes that sold in the last 30 days took a median of 18 days.
There are 84 used Triumph Speed 400 bikes for sale on Autotrader UK as of 20 Oct 2026. Supply was up 21.7% in October 2026 compared with the end of September 2026 (69). In the last 30 days 56 were newly listed and 37 sold.
Autotrender records every Triumph listing on Autotrader UK twice a day (since 28 May 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/triumph/model/speed-400/report.md · About Autotrender