Bizarre Pontiac Trans Am Kammback concept up for auction

Muscle cars are a ton of fun, but their driver-focused design generally doesn’t offer much utility. General Motors imagined tackling this weakness in 1985 by creating the Pontiac Firebird Trans Am Kammback concept that combined V8 grunt with a longer roof. The project never came to fruition, but one of the test mules has now turned up on the consignment list for Barrett Jackson’s 2017 sale in Scottsdale, Arizona, from January 14-22. According to the auction listing, the long-roof Trans Am concept packs a high-output 305-cubic-inch (5.0-liter) V8 and five-speed manual…

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