Vehicle Identification Number - VIN
The Buick VIN number for 1998 had 17 Characters.
1st = country code Number "1" is for USA.
2nd = Company code, "G" is for GM
3rd = What division of GM, "4" is for Buick.
4th & 5th = Tell what TYPE of car it is (Skylark, Century, Riviera, ect..)
"CU" = Park Avenue Ultra
"CW" = Park Avenue
"GD" = Riviera
"HP" = LeSabre Custom
"HR" = LeSabre Limited
"NJ" = Skylark
"WB" = Regal LS
"WF" = Regal GS
"WY" = Century Limited
6th = Tells Body Style
"1" = Coupe
"2" = Two-door
"3" = Convertible
"5" = 4dr sedan
"6" = 4dr
"8" = 4dr Wagon
7th = Restraint codes
2-active belts with dual air bags
4-active belts with dual airbag and side airbag
8th = Engine Code
K - 3.8L V-6
M - 3.1L V-6
1 - 3.8L V6
9th = check digit
10th = tell what year it is "W" = 1998
11th = What Plant the car was Produced
12th - 17th = Production Sequence numbers
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