The Proton X70 can be judged for long-distance travel by looking at its space, output and running-efficiency figures together. Relevant information includes 2026 1.5T Sport Edition: 4532 mm; 2026 1.5T Premium: 4532 mm; 2026 1.5T Executive: 4532 mm; 2026 1.5T Sport Edition: 181 Ps; 2026 1.5T Premium: 181 Ps; 2 more variants. For owners, long-distance comfort is about more than one number: a stable footprint, enough performance for overtaking and sensible energy use all make highway trips easier to live with.