Used 2018 Audi S4 for sale. Price: $35,995 46 Northern Boulevard, Great Neck, NY 11021 More Great Neck, NY Audi S4's 2021 $33,295 51,517 Miles 2021 $29,990 57,758 Miles 2021 $32,495 57,758 Miles 2018 $45,118 48,075 Miles