[1][2] Yearly appearance changes, technical updates and standard or optional features for 1931 included the introduction of the "eagle" radiator ornament, a curved tie-bar connecting the headlights, wire- spoked wheels became standard equipment, while optional equipment listed front and rear bumpers, covers for side mounted spare tires, spotlights and guide lamps that would turn with the front tires.

[2] Dedicated body style production continued while assignment changed from previous years based on demand.

[2] The main change between the Series AE and the outgoing AD was two-inch increase to the wheelbase, which was now 109 in (2,768.6 mm).

[3] As refinement continued rubber engine mounts were now used to minimize vibration from entering the passenger cabin and a heater was optionally available.

To the casual observer, the Chevrolet was more plain than the top level Cadillac while the luxury car was essentially longer with more chrome exterior features.