Used Audi S4 Avant for sale near Leighton Buzzard
There are 5 used Audi S4 Avant for sale from UK dealers within 20 miles of Leighton Buzzard on AskCar, as of 10 November 2026. The cheapest is £19,820. AskCar lists 125 used Audi S4 Avant across the UK, from 114 dealerships.
As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.
Cars for sale now
Best value first: the cars priced furthest below their AskCar estimate come first, and those without one come after. The AskCar estimate is our expected asking price for that one car, from its model, age, mileage and specification, using the 124 priced Audi S4 Avant adverts on AskCar as of 10 November 2026.
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, town and distance; AskCar page.
Cheaper cars like each one, with its price history, are on its AskCar page.
- 2018 Audi S4 Avant 3.0 TFSI V6, 349 bhp, automatic, petrol, estate, 5 doors, white. Mileage: 71,119 miles. Price: £19,820, reduced by £560 from £20,380 since AskCar first saw it on 29 August 2026, 73 days ago. Good value: £1,973 (9%) under the AskCar estimate of £21,793. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 26 August 2027. Dealer: Evans Halshaw Ford Milton Keynes in Milton Keynes, 8 miles from Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-s4-avant-2018-292e44e71fa4
- 2023 Audi S4 Avant 3.0 TDI V6 Black Edition, 336 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 23,500 miles. Price: £36,950, unchanged since AskCar first saw it on 27 October 2026, 14 days ago. Fair price: £2,628 (6%) under the AskCar estimate of £39,578. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 28 February 2027. Dealer: Boss Motor Company in Chesham, 15 miles from Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-s4-avant-2023-1d7abf32d4cd
- 2017 Audi S4 Avant 3.0 TFSI V6, 349 bhp, automatic, petrol, estate, 5 doors, black. Mileage: 75,300 miles. Price: £20,990, unchanged since AskCar first saw it on 6 October 2026, 35 days ago. Fair price: £614 (2%) under the AskCar estimate of £21,604. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 26 October 2026; ask the dealer for the current MOT. Dealer: Milestone Automotive in Luton, 12 miles from Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-s4-avant-2017-f9a19552b26c
- 2019 Audi S4 Avant 3.0 TDI V6 Black Edition, 342 bhp, automatic, diesel, estate, 5 doors, black. Mileage: 56,600 miles. Price: £27,847, reduced by £2,142 from £29,989 since AskCar first saw it on 12 September 2026, 59 days ago. Fair price: £326 (1%) under the AskCar estimate of £28,173. Euro 6 emissions standard. ULEZ compliant. MOT: the latest record we hold ran out on 2 October 2026; ask the dealer for the current MOT. Dealer: FTR Performance in Tring, 6 miles from Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-s4-avant-2019-f5610706c180
- 2018 Audi S4 Avant 3.0 TFSI V6, 349 bhp, automatic, petrol, estate, 5 doors, grey. Mileage: 66,000 miles. Price: £23,500, unchanged since AskCar first saw it on 22 October 2026, 19 days ago. Fair price: £919 (4%) over the AskCar estimate of £22,581. Euro 6 emissions standard. ULEZ compliant. MOT: valid until 11 March 2027. Dealer: FS Performance in Luton, 8 miles from Leighton Buzzard. AskCar page: https://askcar.co.uk/car/audi-s4-avant-2018-d09491b09195
Audi S4 Avant across the UK by price
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