If you love GM muscle cars, Rick Treworgy owns the car collection of your dreams - or at least he used to. Treworgy spent decades creating the largest GM muscle car and Corvette collection in the world, which was displayed at the Muscle Car City Museum in Punta Gorda, Florida. Treworgy was planning to close the museum and retire next year, but the disruption caused by the pandemic forced him to bring those plans forward.

Now that he's retired, Treworgy sold his entire collection of over 200 cars at a Mecum auction last week, including his collection of 48 Corvettes spanning every generation, Chevrolet Camaros, Pontiac GTOs, Chevrolet El Caminos, Oldsmobile 442s, and even a custom race car built for the 2000 'Charlies Angels' movie.

Each car had no reserve, and many of them exceeded auction estimates by a huge margin since some were offered in rare specifications. One of the most expensive cars sold at the auction was a 1969 Chevrolet COPO Camaro finished in Cortez Silver with a black vinyl interior.

It was also powered by an iron block 427/425-horsepower Big Block paired with Muncie M22 "Rock Crusher" close-ratio four-speed manual. With only 43,000 miles on the clock, the car was in excellent condition and sold for an eye-watering $297,000, nearly $100,000 higher than its estimated value. A 1970 Chevrolet Chevelle LS6 finished in Black Cherry with white stripes and a tan vinyl bench interior also sold for $126,500, around the car's estimated value. What made this car rare was its unusual color and bench seat configuration since the bucket seat option was more common.

This was the car's expected value. By contrast, a rare Chevelle Z16, one of only 201 examples, with a 396/375-horsepower Big Block and four-speed transmission, sold for $187,000, which was under the car's expected value.

As for the Corvettes, someone paid $121,000 for a 2020 Corvette Stingray in Torch Red with an Adrenaline Red and Ebony interior and only 194 miles on the clock. Even with the 3LT option package, that's well above the car's MSRP. A rare L89 Corvette Convertible with a Tuxedo Black exterior and red vinyl interior also sold for $209,000, more than $50,000 above its estimated value.