The Proton X50 should be comfortable enough for daily driving if the seating and equipment match your expectations. Relevant cabin-related information includes 2025 1.5T Executive: 4380 mm; 2025 1.5T Black Edition: 4380 mm; 2025 1.5T Flagship: 4380 mm; 2025 1.5T Premium: 4380 mm. For owners, comfort is felt in small ways every day: driving position, phone connectivity, passenger space and how calm the car feels in traffic.