2019 Audi A6 Avant S Line prices

There are 69 used 2019 Audi A6 Avant S Line cars for sale from UK dealers on AskCar, as of 9 November 2026. Typical asking price £18,000 (the median: half cost less, half cost more). The cheapest is £11,995. The middle half are priced between £16,500 and £20,000. Median mileage: about 75,000 miles.

Dealers lowered the asking price on more than a third of 2019 Audi A6 Avant S Line cars: 26 of the 69 in the 14 days to 9 November 2026.

2019 Audi A6 Avant S Line prices by engine and mileage

EngineAll mileagesUnder 20,000 miles20,000 to 40,000 miles40,000 to 60,000 miles60,000 miles or more
2.0 diesel£17,700Too few for saleToo few for saleToo few for sale£17,500

Only 13 of the 2019 Audi A6 Avant S Line cars for sale have the 3.0 diesel engine, too few to give a typical asking price.

Typical asking prices are of 2019 Audi A6 Avant S Line cars for sale on 9 November 2026, and are given only where at least 20 cars with a price are for sale.

2019 Audi A6 Avant S Line against other years

A 2018 Audi A6 Avant S Line car has a typical asking price of £15,700, as of 9 November 2026.

AskCar lists 788 used Audi A6 Avant across the UK, from 588 dealerships.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2019 Audi A6 Avant S Line cars for sale now, page 1 of 2

This page picks out up to 10 cars in each of these groups: best value, cheapest, lowest mileage, recently reduced and newly advertised. A car in more than one group is listed in full once. The groups pick only from cars with photos and an AskCar estimate, priced at £500 or more and no more than 25% under that estimate. 67 of the 68 cars listed here meet these rules. Page 2 lists every other 2019 Audi A6 Avant S Line car, cheapest first, including the one the groups do not pick from.

The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 767 priced Audi A6 Avant adverts on AskCar as of 9 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2019 Audi A6 Avant S Line.

Each car: year, make, model, engine and trim, power, gearbox, fuel, body, doors, colour; mileage; price and its changes; how the price compares with the AskCar estimate; emissions standard and ULEZ compliance where it holds; MOT; dealer and town; AskCar page. Each car's AskCar page has its full price history and cheaper cars like it.

This list leaves out 1 car whose advertised mileage is lower than the mileage recorded at its last MOT test.

Best value 2019 Audi A6 Avant S Line: priced furthest below the AskCar estimate

These 10 are priced 6% to 16% under their AskCar estimate. Their asking prices run from £14,750 to £22,999.

Cheapest 2019 Audi A6 Avant S Line: the lowest asking prices

These 10 are priced £11,995 to £15,990. They have covered 71,000 to 158,776 miles.

Lowest-mileage 2019 Audi A6 Avant S Line

These 10 have covered 38,199 to 60,149 miles. Their asking prices run from £18,989 to £24,990.

Recently reduced 2019 Audi A6 Avant S Line: the biggest price reductions in the 14 days to 9 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 9 November 2026. Their reductions since AskCar first saw them run from £1,000 to £4,500.

Newly advertised 2019 Audi A6 Avant S Line: first seen by AskCar in the 7 days to 9 November 2026

These 5 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

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