BURBLES

Inline-four turbo

Four cylinders, one turbo, big-engine punch

The inline-four with a turbocharger bolted to its exhaust manifold: small displacement, force-fed.

Hear itAudi 2.0 TFSI · VW Golf GTI · dyno car

Real recordings, played as recorded: Soundholder (CC BY 3.0) · EverydaySounds (CC0 1.0) · editboy23 (CC0 1.0)

Under the hood

The other families