On its debut, the C-Class was the only Mercedes model with a complete lineup of multi-valve engines.

Many imported brands utilized fuel saving technologies such as fuel injection and multi-valve engines over the common use of carburetors.

The Cougar comes with two modern multi-valve engines.

The car was brought back after World War I with multi-valve engines to bring fame to the marque at Brescia.

This was Volvo's first multi-valve engine.

Such multi-valve engines generally have just four cylinders, but are lighter and more powerful than American V-6's.

Turbocharging and supercharging are technologies that also improve engine breathing, and can be used instead of, or in conjunction with, multi-valve engines.

Over 2300 of these powerful early multi-valve engines were built.

Bentley used multi-valve engines from the beginning.

About 100 of these multi-valve engines were built.