The BMW X6 should be manageable in city use when judged against its listed dimensions. Key size figures include 2025 xDrive40i M Sport: 4960 mm; 2025 xDrive40i M Sport: 2004 mm; 2025 xDrive40i M Sport: 1700 mm; 2025 xDrive40i M Sport: 2975 mm; 2025 xDrive40i M Sport: 5. Length affects parking ease, width affects tight ramps and urban lanes, while wheelbase gives a clue to cabin comfort and highway stability.