Help us to keep our content free by donating.
Your contribution helps cover technical costs and continue our research.
Oldsmobile showed off its Achieva concept at the 1991 Chicago Auto show. It was widely acknowledged as a preview of its upcoming Calais replacement. The concept rode on a 107.2 in. wheelbase and and was 186.6 inches long. Power came from a W-41 2.3 liter Quad 4 engine.