Quote:
Originally Posted by special-K
The Suburbans were made longer in '67 which allowed a door for access to be added. That's all there is to it. It was a major improvement for use as a family vehicle over years before. The thinking behind it was likely the same as with Vans that only have curbside doors. I guess GM figured adding a 4th door was a further improvement by the time they redesigned the body in '73. The third door would have been a great idea for the Panels that I wish they had done.
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It's also not the first time GM has had "3 door" trucks. GM added a 3rd door to their extended cab trucks in 1996. The 3rd door carried over into the NBS GMT800s until 2000 when the 4th door was optional, then in 2001 the 4th door became standard.
S10s also had a 3 door extended cab, but I don't think they ever made it to 4 doors, just the crew cabs.
Just a little trivia
I happed to own a rare 3 door 2000 Silverado
