The standard features of the Audi A5 45 S line Premium include 2.0L I-4 261hp intercooled turbo engine, 7-speed auto-shift manual transmission with overdrive, 4-wheel anti-lock brakes (ABS), side seat mounted airbags, SIDEGUARD curtain 1st and 2nd row overhead airbags, driver and passenger knee airbag, airbag occupancy sensor, automatic air conditioning, 18" aluminum wheels, cruise control, ABS and driveline traction control, quattro all-wheel.