Benjamin Zhang/Business Insider We drove the Cadillac and the Lincoln, two of the oldest and most prominent nameplates to ever emerge from Motown. The Lincoln Continental starts at $44,560. But our highly optioned AWD Black Label edition test car starts at $65,070. The Cadillac CT6 starts at $54,095. The top-of-the-line Platinum edition we tested starts at $88,295. Both cars are superb, but the CT6 has an edge. Cadillac and Lincoln are two of the oldest and most prominent nameplates to ever emerge from Motown.