2023 Audi A4 Avant S Line prices

There are 74 used 2023 Audi A4 Avant S Line cars for sale from UK dealers on AskCar, as of 7 November 2026. Typical asking price £22,000 (the median: half cost less, half cost more). The cheapest is £12,900. The middle half are priced between £20,500 and £23,500. Median mileage: about 29,000 miles.

Dealers lowered the asking price on more than a third of 2023 Audi A4 Avant S Line cars: 33 of the 74 in the 14 days to 7 November 2026.

2023 Audi A4 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 petrol£22,000Too few for sale£22,000Too few for saleToo few for sale

Typical asking prices are of 2023 Audi A4 Avant S Line cars for sale on 7 November 2026, and are given only where at least 20 cars with a price are for sale.

2023 Audi A4 Avant S Line against other years

A 2022 Audi A4 Avant S Line car has a typical asking price of £20,500 and a 2024 one £25,000, as of 7 November 2026.

AskCar lists 1,306 used Audi A4 Avant across the UK, from 861 dealerships.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.

2023 Audi A4 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. 72 of the 74 cars listed here meet these rules. Page 2 lists every other 2023 Audi A4 Avant S Line car, cheapest first, including the 2 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 1,244 priced Audi A4 Avant adverts on AskCar as of 7 November 2026. The figures on this page describe the cars advertised, not a valuation of every 2023 Audi A4 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.

Best value 2023 Audi A4 Avant S Line: priced furthest below the AskCar estimate

These 10 are priced 5% to 14% under their AskCar estimate. Their asking prices run from £12,900 to £21,807.

Cheapest 2023 Audi A4 Avant S Line: the lowest asking prices

These 10 are priced £12,900 to £19,650. They have covered 26,426 to 108,420 miles.

Lowest-mileage 2023 Audi A4 Avant S Line

These 10 have covered 5,080 to 16,000 miles. Their asking prices run from £20,950 to £24,998.

Recently reduced 2023 Audi A4 Avant S Line: the biggest price reductions in the 14 days to 7 November 2026

The dealer lowered the asking price on each of these 10 in the 14 days to 7 November 2026. Their reductions since AskCar first saw them run from £1,290 to £3,870.

Newly advertised 2023 Audi A4 Avant S Line: first seen by AskCar in the 7 days to 7 November 2026

These 8 are the most recently advertised. Cars first seen on the same day are listed cheapest first.

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