This unknown Lifeguard Pickup Truck is a vehicle that appears in GTA 6.
It can be seen in Trailer 1, in two shots of the 
Later, the vehicle can be seen again, behind multiple beachgoers on a crowded beach.
The truck's name is currently unknown, as it doesn't appear to have featured in any other Grand Theft Auto title to date.
It appears to have a unique white and orange livery that immediately identifies it as an emergency response vehicle.
In addition, the truck has a roof rack for storing equipment, as well as the ability to tow a boat trailer behind itself.
The unknown Lifeguard Pickup Truck appears to be based on the real second-generation Ford Explorer Sport Trac XLT.
These trucks are used by the real Miami Beach Ocean Rescue, and bear a near-identical livery to the lifeguard vehicle in GTA 6.
