All three will appear in the Masterton District Court tomorrow.
Preliminary results from a post mortem examination completed at Wellington Hospital today confirm that Glen Jones died of head injuries as a result of the attack.
Police are appealing for any sightings of a white Holden Commodore, registration GHE787.
The vehicle was in Masterton on late on Friday night before it was driven to Carterton and then on to Featherston.
Police believe it was near the scene in Revans Street around midnight before heading over the Rimutaka Hill to Wellington.
It has visited various locations in the Hutt Valley and Wellington City before returning to Masterton in the early hours of Saturday morning.
Detective Inspector Hansen added "I am particularly interested in any sightings of this vehicle and it's occupants".
Police are appealing for anyone who has any information about the vehicle or the occupants to make contact with Wairarapa Police on (06) 370 0300 or wairarapa.police@police.govt.nz.
Alternatively, information can be provided anonymously through Crimestoppers by phoning 0800 555 111.