What is the rarest car in history?
The rarest vehicle in the world is arguably the 1955 Mercedes-Benz 300 SLR Uhlenhaut Coupé. Only two were ever produced, and one sold for a record-breaking $142 million. Maybach Exelero At an astounding 8 million dollar, it is the most expensive car ever made and the rarest in the world thanks to its futuristic design and exceptional status.