A luxury sports sedan with seating for five, the 2010 Audi S4 has been redesigned and is no longer offered as a two-door convertible. Gone is the 4.2L V8, replaced by a 333 hp supercharged 3.0L V6. A six-speed manual transmission is standard equipment, while a seven-speed S-tronic automatic is optional. 2010 Audi S4 standard features include tri-zone climate control, iPod integration, and 18 in. alloy wheels.