Retroautos September - Colonnades! A Design to Driveway exclusive, showcasing this forgotten range of classic GM cars.
By
DavidBurrell -
31 August 2020
GM’s mid-1970s “Colonnade” cars are forgotten classics. Retroautos has the exclusive prototype photos and inside story. Plus, we go back to 1960 in the USA in our photo feature “Once Upon a Time in America”.
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