The incident happened on Helen Place, just off of Sanford Avenue, around 5:30 a.m.
Police say the suspect, driving what is believed to be a stolen vehicle, attempted to carjack the victim in his driveway.
When the man attempted to stop the suspect from stealing his blue SUV, he was struck and subsequently pinned between the vehicle and a fence, sustaining life threatening injuries.
The suspect exited the SUV and returned to the stolen auto and fled the scene.
Police are canvassing the area.
The victim was transported to UMDNJ, where he is listed serious but stable condition.