A V12 engine is a V engine with 12 cylinders mounted on the crankcase in two banks of six cylinders each, usually but not always at a 60° angle to each other, with all 12 pistons driving a common crankshaft.
A flat engine is an internal combustion engine with horizontally-opposed pistons.
The Volkswagen Group W8 engine was installed longitudinally in the Volkswagen Passat (B5.5) from September 2001 to September 2004, but sales were minimal at only 10,000 units worldwide per year.
A V8 engine is an eight-cylinder V configuration engine with the cylinders mounted on the crankcase in two sets (or banks) of four, with all eight pistons driving a common crankshaft.
Ford affixed a brass tag to the radiator support of special order cars bound for company executives.
The following is a list of motorcycle manufacturers worldwide, sorted by extant/extinct status and by country.