Sand, dunes, and questionable decisions: that is Blazer territory. Nagasaki's quad, patterned on Yamaha's YFZ450, appeared in Trailer 1 and screenshots for GTA 6 after a long run through GTA V and the PS2-era games, where it spawned across beaches and backcountry. Expect it to be quick, flickable, and happy to throw you off at the first hard landing.
No confirmed acquisition method. Quads in past games spawned freely around beaches and off-road trails, and with GTA 6 set in a beach-heavy Florida stand-in, a street or sand find seems the obvious call. Expectation, not official.
It was confirmed in Trailer 1 and official screenshots.
The community companion for Grand Theft Auto VI. Database, maps, guides and tools for Vice City and the state of Leonida.