This is really hard to beat: take a used Boeing 727, get rid of its wings and customize it into most luxurious and biggest limo on the planet! This is exactly what Mexican Vaca Meters Limos company did, Up to 50 passengers can boogie on a dance floor, make a pit stop at a bar or retire to a romantic space in the back of the luxury aircraft/automobile. Top speed: 200 kilometers (124 miles) an hour, it has a six-cylinder, turbocharged diesel engine in the back and air brakes and suspension. The company plans to offer similar ultimate coaches to clientele in the US.