Advance-Design Trucks (Advance-, not Advanced-) is the
official name that Chevrolet gave to its first new series of post-WWII trucks. This series came out in 1947 (some 1946-style trucks were sold in early 1947). The Advance-Design series of Chevrolet trucks ended in mid-1955. (1947 through 1955-1st)
The official name of GMC trucks from 1947-1955 is
New Design Trucks.
Art Deco is a name often used for 1941-1946 (into 1947) Chevrolet trucks. It was not an official name used by GM/Chevrolet.
