9. Buick GNX
The 1987 Buick GNX turned heads with its ferocious turbocharged V6, surprising muscle car fans by outpacing many V8 competitors of its era.
Achieving 0-60 mph in just 4.6 seconds, the GNX gained cult status as a stealthy street racer cloaked in unassuming black.
Its blend of subtlety and raw power cemented its place as a true American performance legend.
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