Question: what is the difference between the bmw x5 and x7?
Answer: Most important and most obvious is the difference in size. The X5 rides on a 117.1-inch wheelbase and has a 194.3-inch overall length. The X7 has a 122.2-inch wheelbase and is 203.3 inches long tip to tail. ... Width is identical between the two, at 87.3 inches measured at the side mirrors.