Save before the mission end of the line (last mission)
Minigun (available at Toreno's ranch)
The cars inside the garage:
The Johnson home: purple voodoo on the right (from the mission called "the big smoke and travel") and Sabra green
El corona garage: Savana Caesar
Santa Maria beach: police car
Gillmor: camper (with painting)
Doherty: Pimpmobile Džizzi (Broadway).