25 WEIRD GM Muscle Cars You've Never Heard Of!

25 WEIRD GM Muscle Cars You've Never Heard Of! Think you know GM muscle cars? Think again! From forgotten prototypes to bizarre designs that never caught on, these rare and unusual rides will leave even the biggest car enthusiasts scratching their heads. You won’t believe these oddball creations made it off the drawing board. Buckle up for 25 WEIRD GM Muscle Cars You’ve Never Heard Of!