"The Willard Idaho '65 is more than just a car; it’s a rolling piece of Americana. Whether you’re gliding through downtown or taking a scenic drive along the coast, the Idaho '65 offers a driving experience that’s as elegant as it is unforgettable. Step into the past, but cruise with modern confidence."

Based of 1963-1965 Buick Riviera
The front body is 1963
The rear body is 1965

Fixed undercarriage rear left wheels aren't connected so I fixed them, and there's a rear bumper 2 variations look like