A young journalist who hit a cyclist with a $350,000 sports car she was test driving has been sentenced to a year in jail.

Last May, Amelia Hungerford was behind the wheel of a McLaren sports car in Ku-ring-gai Chase when she hit a cyclist, 2GB revealed at the time.

The cyclist, James Tan, suffered injuries to his face and legs, and was rushed to hospital in a serious condition.

Hungerford, 28, was working for Signature Luxury Travel & Style and was test driving the $350,000 vehicle as part of a media junket.

This week she was sentenced to 12 months behind bars, with a non-parole period of seven months.