America's Most Beautiful Roadster

"America’s Most Beautiful Roadster" or (AMBR) is an award presented annually at the Grand National Roadster Show. It was created by promoter Al Slonaker to recognize the best roadster in-show. The winner's name is engraved on a 9-foot "mega-trophy" that is maintain by the event's promoter, Rod Shows Inc. At that time of its creation, the AMBR Award trophy was the biggest in the world.

The AMBR is considered among the two "Crown Jewel" awards for professional show car builders in North America, the other being the Detroit Autorama's Don Ridler Memorial Award.

List of winners
* 2021 show was cancelled due to the COVID-19 Pandemic.