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1 sale tracked since 17 Jun 2026 · 4 for sale now
Every Sierra that's come off Autotrader since 17 Jun 2026, with its final asking price and how long it took to sell.
What each Sierra variant sold for (filled dots) and what the 4 for sale are asking (rings), with monthly medians drawn through them. Click a dot to open the car.
Solid lines: median sold price per month (3+ sales). Dashed lines: median asking price of cars currently for sale, by the month they were listed. 2 cars listed before the chart starts are not shown.
By month sold, all variants
How long sold cars were listed
How many cars were listed each day since tracking began
Asking price range, with the median marked
Listings added and sold each month
4 live listings from Autotrader · from £53,990 · median £72,950
Sold and asking prices against mileage. Each dot is a car; click one to open it.
Month-by-month sold prices, asking prices, time to sell and supply for used GMC Sierra cars on Autotrader UK. Updated 19 Oct 2026.
As of 19 Oct 2026, there are 4 used GMC Sierra cars for sale on Autotrader UK, with a median asking price of £72,950. No GMC Sierra cars have come off Autotrader in the last 30 days.
There have not yet been enough GMC Sierra sales in a single month to read a month-on-month price trend; 1 sale has been recorded so far.
Autotrender has recorded 1 GMC Sierra sale on Autotrader since 26 May 2026 at £44,394.
| Month | Median asking | Median sold | Sold | Days to sell | New listings | For sale at month end |
|---|---|---|---|---|---|---|
| June 2026 | – | – | 1 | – | 1 | 2 |
| September 2026 | £203,994 | – | 0 | – | 1 | 3 |
| October 2026 so far | £53,990 | – | 0 | – | 1 | 4 |
The median asking price for a used GMC Sierra on Autotrader UK is £72,950, across 4 cars for sale as of 19 Oct 2026.
There have not yet been enough GMC Sierra 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 are 4 used GMC Sierra cars for sale on Autotrader UK as of 19 Oct 2026. In the last 30 days 1 were newly listed and 0 sold.
Autotrender records every GMC listing on Autotrader UK twice a day (since 26 May 2026). A car 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/gmc/model/sierra/report.md · About Autotrender