page_title: Alfa Romeo 164
section_title: Q4
hierarchical_section_title: Alfa Romeo 164 / Range / Q4
caption_attribution_description: This would have cost almost $99k in 1993, being the absolute top line 164 with the 24 valve V6 and four wheel drive. These have always been a bit of an obscurity in NZ.
context_page_description: The Alfa Romeo 164 is a four-door executive saloon that was manufactured by the Italian automaker Alfa Romeo from 1987 to 1998 designed by Pininfarina. The predecessors of the 164 were the Alfa 90 and the luxurious Alfa 6. The 164 was superseded by the 166 in 1998, after a combined production total of 273,857 units.
context_section_description: In 1993, Alfa Romeo introduced a four-wheel-drive variant called the Q4 (short for Quadrifoglio 4), which was equipped with the most powerful 3.0-Litre V6 engine fitted to the 164, featuring 24-valves. The Q4's four-wheel-drive system ("Viscomatic") was co-developed with the Austrian company Steyr-Puch. and was more advanced than others systems offered at the time. The system consisted of a viscous coupling unit, central epicyclic differential and Torsen differential in the rear. Connected to the ABS and "Motronic" engine management modules, the power driven to the rear axle was continuously variable from 0 to 100% subject to road conditions. Torque was distributed between axles depending on the speed, turning radius, engine rpm, throttle position and ABS parametrics. This model was equipped with a Getrag 6-speed manual gearbox.
caption: Alfa Romeo 164 Q4
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