Often noted as the "Driver's RV", [who?] it has an exceptionally low center of gravity and wide stance for an RV. It had a top speed of 100 MPH, and claimed an average of 30 MPG using a BMW M21 turbo-diesel engine. Wind tunnel testing was used to create a completely smooth fiberglass exterior top and bottom, resulting in a drag coefficient of less than .30 for early TD models.