Alfa Romeo 164 was offered with a range of powerful petrol engines. The 2.0-litre twin spark engine produced 148 bhp, while the 3.0-litre V6 delivered 192 bhp. A 2.5-litre turbodiesel turbo (117 bhp) was also available. in 1988, the 2.0i turbo (175 bhp) was launched. Using a turbocharged engine developed from the Lancia Thema engine, Alfa Romeo 164 could sprint from zero to 100km/h in just 7.2 seconds and reach top speed of 223km/h.
Alfa Romeo 164 was updated in 1991 with new electrical system, new brakes and new steering system. Comfort was improved through a more efficient climate control system with a new radiator and alternator as well as repositioned air vents on the dashboard. Interior showed new seat materials, while the body became fully galvanised.
In 1991 Alfa Romeo presented also a new sporty version. The Alfa Romeo 164 2.0i V6 turbo was fitted with a single Garrett turbocharger and intercooler. In produced 207 bhp pushing the 164 to 100km/h in just 7.7 seconds.
The V6 engine gained an extra 12 valves and two camshafts in 1992. The new 3.0i V6 24v produced 211 bhp or 232 bhp in the sportier Quadrifoglio version. In 1993 Alfa Romeo introduced a four-wheel drive version, the Q4, fitted with a new six-speed gearbox and an electronically controlled viscous coupling with variable torque splitting.
Production of the Alfa Romeo 164 ended in 1997.