The Proton X90 should be comfortable enough for daily driving if the seating and equipment match your expectations. Relevant cabin-related information includes 2026 1.5T Prime X: 4830 mm; 2026 1.5T Prime: 4830 mm; 2026 1.5T Lite: 4830 mm; 2025 1.5T Flagship: 4830 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.