Used Audi A6 Avant for sale under £20,000

484 cars from UK dealers, updated 23 October 2026. Typical asking price £13,000. Half of them are priced between £9,500 and £16,300.

AskCar lists 589,789 cars from 13,079 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.

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

Typical price by year

Year	For sale	Typical price	Half are priced between
2020	22	£17,100	£15,600 to £18,700
2019	89	£16,500	£15,500 to £18,700
2018	66	£14,200	£13,000 to £16,000
2017	63	£14,200	£10,700 to £15,900
2016	57	£10,500	£9,000 to £13,000
2015	60	£11,300	£9,800 to £13,100
2014	27	£9,200	£7,600 to £11,500
2013	22	£7,800	£6,600 to £8,800