The Oscar Mayer Wienermobile visits the Nation's Capitol as part of an all-American Whistle Stop Tour. What's a Wienermobile? Frankly, here are the facts! Dimensions - 23 feet long, 8 feet wide, 10 feet high, 5800 pounds. Body - converted 88 Chevy van with V-6 engine and fiberglass casing. Designers - Stevens Automotive of Milwaukee, WI. Designers of the classic Excalibur. Features - Gullwing door, microwave, refrigerator, sun roof, steamer. loudspeaker and various condiments.