All these changes made the 328 the best performing of the 308/328 series. Motor Trend's 328 GTS reached 60 mph in 6.5 seconds, or more than 1.5 seconds faster than the fiberglass 308 GTB tested 10
The data on the 400 production compares two sources, one the Automobilia book "Ferrari 412" by Paolo Murani and Stefano Pasini, which said that there were 500 of the series produced (355 autos and 145 5 speeds); and Ferrari Market Letter, which says that there were 501 cars produced (354 autos and 147 5 speeds). VPEjy.