The bells are tolling at 1240 Woodward Avenue, General Motors’ new headquarters as of January, as production of the Cadillac CT4 is ending. Blackwing models, however, continue to roll off the line into June when they are scheduled to cease production. The CT4 continued the shallow legacy of Cadillac’s smaller sedans but proved that a brand not historically renowned for building compact vehicles could deliver, after four decades to get it right.
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