Fundamental Car Groups, 1981-2005
FUNDAMENTAL CAR GROUPS, 1981-2011 (Shared Body Platforms) 1. The first line of the definition assigns a five-digit number to the car group; the first two digits indicate the manufacturer, based on FARS codes (1=AMC, 6=Chrysler, 12=Ford, 18=GM, etc.); the last three digits are sequential and generally chronological for that manufacturer. 2. The second line assigns a name to the car group and gives the limits of the range of model years for the various make-models in the car group. Car groups are often named after the largest selling make-model with that body platform and/or the wheelbase of that platform (to the nearest inch). 3. The third line shows the wheelbase of the cars in that group, as derived from "New Car Specifications" in Automotive News or Ward’s Automotive Yearbook. 4. The remaining lines list the specific make-models included in the car group, including a five-digit make-model code, the make-model name (plus additional specifications such as "4-door" if not every car of that make-model is in that car group during the specified time period), a range of model years, and the VIN characters that identify specifically which cars belong to this car group (V3 is the 3rd character of the VIN, V34 is the 3rd and 4th character, etc.). American Motors Car Groups Car group 1008 AMC Gremlin/Spirit, 1981-1983 Wheelbase 96 1008 AMC Spirit 1981-1983 V6=4 V3=M Car group 1009 AMC Hornet/Concord, 1981-1983 Wheelbase 108 1007 AMC Concord, 1981-1983 V6=0 Car group 1011 AMC Eagle, 1981-1988 Wheelbase 109.3 1009 AMC Eagle, 1981-1988 V6=3 Car group 1012 AMC SX4, 1981-1983 Wheelbase 97.2 1010 AMC SX4/Kammback, 1981-1983 V6=5 1 Chrysler Corp.
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