USA Today provides the average dimensions of a mid-size sedan as of 2007 as 190 inches long, 71.4 inches wide and 57.4 inches tall. It also provides average dimensions for compact sedans, large sedans, compact sports utility vehicles, mid-size sports utility vehicles and large sport utility vehicles.
The average dimensions of a compact sedan as of 2007 are 177.2 inches long, 68.8 inches wide and 57.4 inches tall. The dimensions for a large sedan are 206 inches long, 75.1 inches wide and 58.6 inches tall. The dimensions for a compact sport utility vehicle are 172.3 inches long, 70.9 inches wide and 68.2 inches tall. The dimensions for a mid-size sports utility vehicle are 187.2 inches long, 73.8 inches wide and 69.6 inches tall. The dimensions for a large sport utility vehicle are 208 inches long, 78.2 inches wide and 75.1 inches tall.