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1 sale tracked since 17 Jun 2026 · 0 for sale now
Every 2020 Sierra that's come off Autotrader since 17 Jun 2026, with its final asking price and how long it took to sell.
What each 2020 Sierra variant sold for (filled dots) and what the 0 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.
By month sold, all variants
How long sold cars were listed
How many cars were listed each day since tracking began
Listings added and sold each month
0 live listings from Autotrader
Nothing is listed for sale right now.
Sold and asking prices against mileage. Each dot is a car; click one to open it.
What 2020 GMC Sierra cars sell for and how many are on Autotrader UK right now. Updated 20 Oct 2026.
There are 0 used 2020 GMC Sierra cars for sale on Autotrader UK as of 20 Oct 2026. Autotrender has recorded 1 sale of 2020 GMC Sierra cars so far.
Autotrender records every GMC Sierra listing on Autotrader UK twice a day and groups them by registration year. 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 figures are only stated once at least 5 sales have been recorded.
Recomputed after every Autotrader scan. Month-by-month trends across all years: GMC Sierra market report · About Autotrender