Actually none of them are rare, they started making the impala in 1958 and people didn't like the 58's back then and not a lot of them were sold so I would have to say the 58 is probably the rarest of all the years.
General Motors.
i would strongly say that plan b gold IS THE RAREST TECH DECK EVER TO BE MADE.
2007 Chevy Impala SS production: 11,456 units
The Chevelle/Malibu, Impala/Caprice
My key Bork off in my trunk
The least rarest silly band is anything in the pets pach they were the first ever made!
Front wheel drive. The last rear wheel drive Impala made was the Impala SS in 1996.
The black apple is the rarest silly band because hardly any are ever made.
phantom corsair .... only one was ever made
There Is A Dog That Has A Bone It Should Be Brown!
The SS package was first made available for the 1961 Chevrolet Impala.
What is the first Chevy ever made