# Sinnis Terrain 380 UK sold prices and market trends

Updated 19 Oct 2026. Source: Autotrender, https://autotrender.co.uk/make/sinnis/model/terrain-380?channel=bikes

## Summary

As of 19 Oct 2026, there are 4 used Sinnis Terrain 380 bikes for sale on Autotrader UK, with a median asking price of £2,143. In the last 30 days, 3 Sinnis Terrain 380 bikes have sold. 3 new Sinnis Terrain 380 listings appeared over the same period, so supply is steady.

In July 2026, the median sold price for a used Sinnis Terrain 380 was £1,995 (5 sales). 5 bikes sold in July 2026 compared with 3 in June 2026. The number for sale rose 50.0% to 9 by the end of July 2026. Over the last 90 days the median sold price was £1,995, up 5.6% on the previous 90 days (£1,890).

Autotrender has recorded 18 Sinnis Terrain 380 sales on Autotrader since 28 May 2026, with final asking prices from £1,450 to £2,690 and a median of £1,995. The typical Sinnis Terrain 380 took 15 days to sell.

## Monthly statistics

Prices are GBP medians. "Sold" is the number of Sinnis Terrain 380 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 | £1,745 | — | 3 | — | 4 | 6 |
| July 2026 | £2,299 | £1,995 | 5 | 8 | 8 | 9 |
| August 2026 | £1,799 | — | 4 | — | 1 | 6 |
| September 2026 | £2,100 | — | 4 | — | 3 | 5 |
| October 2026 (so far) | £1,944 | — | 1 | — | 0 | 4 |

## Questions and answers

### What is the average used Sinnis Terrain 380 price in the UK?

The median asking price for a used Sinnis Terrain 380 on Autotrader UK is £2,143, across 4 bikes for sale as of 19 Oct 2026. Across all 18 recorded sales the median sold price is £1,995.

### Are used Sinnis Terrain 380 prices going up or down?

Over the last 90 days the median Sinnis Terrain 380 sold price was £1,995, up 5.6% on the previous 90 days (£1,890).

### How long does a used Sinnis Terrain 380 take to sell?

The median used Sinnis Terrain 380 sells within 15 days of being listed on Autotrader, based on 18 recorded sales.

### How many used Sinnis Terrain 380 bikes are for sale in the UK?

There are 4 used Sinnis Terrain 380 bikes for sale on Autotrader UK as of 19 Oct 2026. Supply was up 50.0% in July 2026 compared with the end of June 2026 (6). In the last 30 days 3 were newly listed and 3 sold.

### How does Autotrender work out Sinnis Terrain 380 sold prices?

Autotrender records every Sinnis 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/sinnis/model/terrain-380?channel=bikes.