* 1987 o 2.0 (1962 cc) TS with 148 PS (109 kW) @ 5800 rpm and 186 N·m (137 ft·lbf) @ 4000 rpm (upgrade of existing 2.0 engine) o 3.0 (2959 cc) V6 with 188 PS (138 kW) @ 5800 rpm and 250 N·m (184 ft·lbf) @ 3000 rpm ('Milano' in US markets only)
* 1988 o 1.6 catalytic with 105 PS (77 kW) @ 6000 rpm o 1.8 i.e with 122 PS (90 kW) @ 5500 rpm and 157 N·m (116 ft·lbf) @ 4000 rpm (replacing existing 1.8) o 2.4 (2393 cc) TD with 112 PS (82 kW) @ 4200 rpm and 235 N·m (173 ft·lbf) @ 2400 rpm o 3.0 V6 AMERICA catalytic with 188 PS (138 kW) @ 5800 rpm and 250 N·m (184 ft·lbf) @ 3000 rpm (Europe market only)
* 1990 o 1.6 i.e with 107 PS (79 kW) @ 6000 rpm and 137 N·m (101 ft·lbf) @ 4000 rpm o 1.8 Turbo Quadrifoglio Verde with 165 PS (121 kW) @ 5800 rpm o 2.0 TS catalytic with 148 PS (109 kW) @ 5800 rpm (replacing existing 2.0) o 3.0 V6 QV @ 192 PS (141 kW) @ 5800 rpm and 250 N·m (184 ft·lbf) @ 3000 rpm (replacing existing 3.0, the motor from the 164 featuring a Motronic system as opposed to the earlier 3.0 V6-es which were equipped with the L-Jetronic. This model was known as the "Potenziata")