The BMW Z4 should be manageable in city use when judged against its listed dimensions. Key size figures include 2025 sDrive30i M Sport: 4324 mm; 2025 sDrive30i M Sport: 1864 mm; 2025 sDrive30i M Sport: 1304 mm; 2025 sDrive30i M Sport: 2470 mm; 2025 sDrive30i M Sport: 2. Length affects parking ease, width affects tight ramps and urban lanes, while wheelbase gives a clue to cabin comfort and highway stability.