A naturally aspirated engine is an internal combustion engine in which oxygen intake depends solely on atmospheric pressure and does not rely on forced induction through a turbocharger or a supercharger. Many sports cars specifically use naturally aspirated engines to avoid turbo lag.
Cadillac CTS 3.6 Auto (2008)
Model: Cadillac CTS Auto Engine: 3.6 Litre V6 Naturally Aspirated [...]