I do know that for Chevrolets you could get power windows down to the Bel Air 4-doors & wagons as late as 1970, but not for Biscaynes, and not for the 2-door sedan body style regardless of series. The window winder mechanisms are designed to run the glass differently for each body style. Some drop straight down, some go back & down. If you look in the Fisher Body manuals they show the 2-door sedan moves glass differently than hardtops or 4-doors. I speculate that they figured frugal buyers of the base 2-door sedan would not be the sort likely to pop for power windows, so no need to engineer, manufacture & stock a power window system.

Marketing gets involved at some point, as can Corporate Oversight, and can override offerings.

As late as 1961 you could get an Impala 2-door post. Perhaps at that time they had power windows offered for that body style (I'll have to dig).


Have I seen a 2-door post from that era with power windows? Yes, but it was a customized '66 Biscayne that had much of the interior lifted from a '66 Caprice, plus it had a 396 4-speed. Documented, no.

I will say that on base police cars like Biscaynes & Strato Chiefs you could get power windows on the 4-doors, because often Tenders have certain requirements, and normal marketing considerations don't apply.

When I was an apprentice in the early seventies a customer owned a 1964 bel-air two door sedan with power windows. The car was also a 283/pg and had power steering but manual brakes. It also didnt have a radio! The same family also owned a 1967 bel-air four door sedan with a six cylinder. When the 64 got too rusty its engine was installed in the 67 car. I still see the 67 around once in awhile, I think its still in the same family.
My Aunt also owned a 1960 Laurentian four door sedan with power windows, also 283/pg. it was scrapped in 1971 due to rust.

Paul