The Mercedes-Benz G-Class AMG should be manageable in city use when judged against its listed dimensions. Key size figures include 2025 AMG G 63: 4873 mm; 2025 AMG G 63: 2187 mm; 2025 AMG G 63: 1976 mm; 2025 AMG G 63: 2890 mm; 2025 AMG G 63: 5. Length affects parking ease, width affects tight ramps and urban lanes, while wheelbase gives a clue to cabin comfort and highway stability.