The 2021 Audi S5 Sportback Prestige is equipped with rear automatic emergency braking, front pedestrian automatic emergency braking, front automatic emergency braking, lane keeping assist, surround view camera system, pedestrian detection pre-collision warning system, driver attention alert system, audible warning pre-collision warning system, visual warning pre-collision warning system, vehicle exit safety system, sensor/alert blind spot safety, rear cross traffic alert, dual front knee airbags, lane deviation sensors, traffic sign recognition, front side airbags, rear side curtain airbags, front side curtain airbags, front parking sensors, rear parking sensors, regenerative braking system, 4-wheel abs, interior motion sensor anti-theft system, anti-tow sensor anti-theft system, emergency braking preparation, anti-lockout power door locks, auto-locking power door locks, brake drying, hill descent off-road driving assist, auto off electronic parking brake, perimeter alarm anti-theft system, ventilated disc rear brake, alarm anti-theft system, braking assist, hill holder control, ventilated disc front brake, dual front airbags, vehicle immobilizer anti-theft system, power brakes, latch system child seat anchors, electronic brakeforce distribution, stability control, traction control, in dash rearview monitor, occupant sensing passenger airbag deactivation, front seatbelt pretensioners, front seatbelt force limiters, front emergency locking retractors, post-collision safety system impact sensor, rear seatbelt pretensioners, rear seatbelt force limiters, door unlock impact sensor, rear emergency locking retractors, front seatbelt warning sensor, fuel cut-off impact sensor.