4 x 4 refers to the power delivery to all four wheels, as compared to FWD, RWD, or AWD. It's not a brand or model of truck. You can see the model badge on the side, which says it is a RAM 1500 Warlock with a Crew Cab and a 5'7" box. RAM is the make, which is owned by Dodge, and 1500 is the model, which is a light duty half-ton truck comparable to an Ford F150, Chevy Silverado, GMC Sierra, or Toyota Tundra. The Crew Cab means a full size back seat at the expense of a shorter bed. The Warlock trim level is new for 2025, and implies comfort and style over function.
So you're correct that this is probably more of a fashion accessory than a work vehicle, but it's not because of the drivetrain.
Gotcha. No, the bed sizes are usually short 5'7" for Crew Cabs, standard 6'5" for standard cabs or extended cabs with a shorter half back seat, and long 8' which is already too long for a parking spot with a standard cabin. Width of truck beds is usually ~70" at the widest and ~50" between the wheels.