Despite this smart maneuvering, the automaker’s fortunes suffered in the late’70s when it unveiled a diesel engine that quickly earned a reputation for Cadillac 2023 spotty performance. The gas crunch of the 1970s, however, started a downward trend for the company. Cadillac responded to the changing times by downscaling the dimensions of numerous vehicles in its lineup. Cadillac’s Titanic-sized behemoths that ruled the highways in…