The Porsche 718 should be manageable in city use when judged against its listed dimensions. Key size figures include 2025 Cayman 2.0T: 4379 mm; 2025 Boxster 2.0T: 4379 mm; 2025 Cayman GT4 RS 4.0L: 4456 mm; 2025 Spyder RS 4.0T: 4418 mm; 2025 Boxster GTS 4.0L: 4391 mm; 45 more variants. Length affects parking ease, width affects tight ramps and urban lanes, while wheelbase gives a clue to cabin comfort and highway stability.