A 19-year-old man remains in Waikato Hospital with serious injuries as police continue to track down the vehicle that hit him on Saturday night.

Police have issued an image of a vehicle believed to have hit the man on Te Tumu Road, Paengaroa, at about 9pm.

Police are hoping to find this vehicle, which was seen on Jellicoe Street, before the incident. Photo: Supplied.

Detective Senior Sergeant Lew Warner says while the man was at the scene, he was hit by a grey, blackish utility vehicle that was heading east.

'The utility is described as a flat deck with a drum on the tray,” says Lew. 'Police have yet to locate and speak to this driver.”

Police would also like to speak to any witnesses who saw this incident or anyone who has any information.

Police would also like the driver of the utility to contact them.

People with information about the incident are asked to contact Tauranga Police Station on 07 577 4300.

Alternatively, information can be left anonymously via Crimestoppers on: 0800 555 111.