Vierräder
Vierräder is the German term for four wheels and is used to describe any vehicle that has four wheels. In everyday language it contrasts with zweiräder (two wheels) and dreiräder (three wheels). The term does not denote a single technical class, but a broad category that includes most passenger cars, light trucks, vans and other four-wheeled platforms.
Four-wheeled designs emerged in the 19th century, with early horse-drawn four-wheeled carriages and later steam and
Drivetrain and layout: four-wheel vehicles may use front-wheel drive (Vorderradantrieb), rear-wheel drive (Hinterradantrieb) or all-wheel drive
Beyond conventional cars, the term also covers quadricycles or quadracycles, four-wheeled bicycles, light trucks, and other