# Triumph Thunderbird 1700 UK sold prices and market trends

Updated 20 Oct 2026. Source: Autotrender, https://autotrender.co.uk/make/triumph/model/thunderbird-1700?channel=bikes

## Summary

As of 20 Oct 2026, there are 22 used Triumph Thunderbird 1700 bikes for sale on Autotrader UK, with a median asking price of £6,744. In the last 30 days, 9 Triumph Thunderbird 1700 bikes have sold at a median price of £7,300, taking a median of 35 days to sell. 15 new Triumph Thunderbird 1700 listings appeared over the same period, so supply is growing.

In October 2026, the median sold price for a used Triumph Thunderbird 1700 was £7,295, down 1.3% on September 2026's £7,392 (8 sales). 8 bikes sold in October 2026 compared with 8 in September 2026. The number for sale rose 37.5% to 22 by the end of October 2026. Over the last 90 days the median sold price was £7,495, up 7.1% on the previous 90 days (£6,999).

Autotrender has recorded 60 Triumph Thunderbird 1700 sales on Autotrader since 28 May 2026, with final asking prices from £4,598 to £9,799 and a median of £7,398. The typical Triumph Thunderbird 1700 took 30 days to sell.

## Monthly statistics

Prices are GBP medians. "Sold" is the number of Triumph Thunderbird 1700 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 | £6,994 | £7,499 | 13 | 29 | 20 | 18 |
| July 2026 | £6,497 | £6,994 | 20 | 27 | 14 | 12 |
| August 2026 | £6,994 | £7,495 | 8 | 21 | 13 | 17 |
| September 2026 | £8,120 | £7,392 | 8 | 30 | 7 | 16 |
| October 2026 (so far) | £6,890 | £7,295 | 8 | 44 | 14 | 22 |

## Questions and answers

### What is the average used Triumph Thunderbird 1700 price in the UK?

The median asking price for a used Triumph Thunderbird 1700 on Autotrader UK is £6,744, across 22 bikes for sale as of 20 Oct 2026. Bikes that sold in the last 30 days went for a median of £7,300. Across all 60 recorded sales the median sold price is £7,398.

### Are used Triumph Thunderbird 1700 prices going up or down?

Triumph Thunderbird 1700 sold prices were down 1.3% month on month: the median went from £7,392 in September 2026 to £7,295 in October 2026.

### How long does a used Triumph Thunderbird 1700 take to sell?

The median used Triumph Thunderbird 1700 sells within 30 days of being listed on Autotrader, based on 60 recorded sales. Bikes that sold in the last 30 days took a median of 35 days.

### How many used Triumph Thunderbird 1700 bikes are for sale in the UK?

There are 22 used Triumph Thunderbird 1700 bikes for sale on Autotrader UK as of 20 Oct 2026. Supply was up 37.5% in October 2026 compared with the end of September 2026 (16). In the last 30 days 15 were newly listed and 9 sold.

### How does Autotrender work out Triumph Thunderbird 1700 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/thunderbird-1700?channel=bikes.