Cars.com reviewer Kelsey Mays is willing to refer to BMW’s crossovers as the automaker-coined “sport activity vehicles” like Chicagoans are willing to refer to the Sears Tower as the Willis Tower — he’s not. Despite BMW’s attempt to be different in naming its crossovers, Mays says they all look alike, and the 2015 X4 is no exception. The X4 is shorter than the X6 and offers good backseat comfort, but comes up short on cargo space. Watch the video for more.