Used Audi A6 Avant for sale under £20,000

473 cars from UK dealers, updated 26 October 2026. Typical asking price £13,400. Half of them are priced between £9,800 and £16,500.

AskCar lists 579,238 cars from 12,980 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.

135 have had their price cut since they were first listed.

Typical price by year

Year	For sale	Typical price	Half are priced between
2020	21	£17,000	£15,600 to £18,600
2019	88	£16,700	£15,500 to £18,700
2018	68	£14,500	£13,000 to £16,000
2017	55	£14,200	£10,700 to £16,000
2016	61	£10,600	£9,300 to £13,000
2015	59	£11,300	£9,900 to £13,200
2014	24	£9,000	£7,700 to £11,600
2013	21	£7,700	£6,500 to £8,800