Why did the automobile manufacturers go to a 6 lug design on 1/2 to pickups and

Fluffy

Member
SUV's? What was the reason for auto manufacturers designing 1/2 to trucks and SUV's with a 6-lug wheel design all of a sudden in the '90's and then in the 00's they decided to go back with the old 5-lug style wheels. Why did they switch?
 
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