what is the purpose of overdrive in a car
Overdrive (mechanics) Overdrive is a term used to describe the operation of an automobile cruising at sustained speed with reduced engine revolutions per minute (RPM), leading to better fuel consumption, lower noise, and lower wear.[1] Use of the term is confused, as it is applied to several different, but related, meanings.[1]
Audi R8 The Audi R8[2] (Typ 42)[3] is a mid-engine, 2-seater sports car,[2][4] which uses Audi's trademark quattro permanent all-wheel drive system.[2][5] It was introduced by the German car manufacturer Audi AG in 2006.