Buick’s only RWD Turbo Reatta test mule, built to test the Buick 3800 turbocharged engine which made 245 horsepower. It was unfortunately destroyed after testing was completed. Weird Wheels March 14, 2025— Buick’s only RWD Turbo Reatta test mule, built to test the Buick 3800 turbocharged engine which made 245 horsepower. It was unfortunately destroyed after testing was completed. byu/OrangeSockNinjaYT inWeirdWheels Share this:Pocket Click to share on Reddit (Opens in new window) Reddit Share on TumblrPost Click to email a link to a friend (Opens in new window) Email Like this:Like Loading... WANT MORE?!?