# Triumph Bonneville Speedmaster UK sold prices and market trends

Updated 19 Oct 2026. Source: Autotrender, https://autotrender.co.uk/make/triumph/model/bonneville-speedmaster?channel=bikes

## Summary

As of 19 Oct 2026, there are 27 used Triumph Bonneville Speedmaster bikes for sale on Autotrader UK, with a median asking price of £10,989. In the last 30 days, 4 Triumph Bonneville Speedmaster bikes have sold. 13 new Triumph Bonneville Speedmaster listings appeared over the same period, so supply is growing.

In September 2026, the median sold price for a used Triumph Bonneville Speedmaster was £11,295 (5 sales). 5 bikes sold in September 2026 compared with 4 in August 2026. The number for sale rose 33.3% to 20 by the end of September 2026. Over the last 90 days the median sold price was £11,195, down 0.5% on the previous 90 days (£11,247).

Autotrender has recorded 49 Triumph Bonneville Speedmaster sales on Autotrader since 28 May 2026, with final asking prices from £5,895 to £13,995 and a median of £11,195. The typical Triumph Bonneville Speedmaster took 22 days to sell.

## Monthly statistics

Prices are GBP medians. "Sold" is the number of Triumph Bonneville Speedmaster adverts removed from Autotrader that month.

| Month | Median asking price | Median sold price | Sold | Median days to sell | New listings | For sale at month end |
| --- | ---: | ---: | ---: | ---: | ---: | ---: |
| June 2026 | £12,495 | £11,495 | 25 | 10 | 26 | 22 |
| July 2026 | £13,495 | £10,848 | 12 | 39 | 6 | 16 |
| August 2026 | £10,748 | — | 4 | — | 3 | 15 |
| September 2026 | £9,399 | £11,295 | 5 | 44 | 10 | 20 |
| October 2026 (so far) | £10,745 | — | 2 | — | 9 | 27 |

## Questions and answers

### What is the average used Triumph Bonneville Speedmaster price in the UK?

The median asking price for a used Triumph Bonneville Speedmaster on Autotrader UK is £10,989, across 27 bikes for sale as of 19 Oct 2026. Across all 49 recorded sales the median sold price is £11,195.

### Are used Triumph Bonneville Speedmaster prices going up or down?

Over the last 90 days the median Triumph Bonneville Speedmaster sold price was £11,195, down 0.5% on the previous 90 days (£11,247).

### How long does a used Triumph Bonneville Speedmaster take to sell?

The median used Triumph Bonneville Speedmaster sells within 22 days of being listed on Autotrader, based on 49 recorded sales.

### How many used Triumph Bonneville Speedmaster bikes are for sale in the UK?

There are 27 used Triumph Bonneville Speedmaster bikes for sale on Autotrader UK as of 19 Oct 2026. Supply was up 33.3% in September 2026 compared with the end of August 2026 (15). In the last 30 days 13 were newly listed and 4 sold.

### How does Autotrender work out Triumph Bonneville Speedmaster sold prices?

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.

## About this data

Autotrender (https://autotrender.co.uk) tracks used bike listings on Autotrader UK and publishes sold prices, price history and supply trends by make and model. Figures on this page are recomputed after every scan. Licence: CC BY-NC 4.0; please cite Autotrender and link to https://autotrender.co.uk/make/triumph/model/bonneville-speedmaster?channel=bikes.