There are 3,142 PROTON cars still on UK roads in 2026 Q1, spread across 14 models — from the PERSONA (632 of them, the brand's most common survivor) down to the 1.5, with just 3 left. The PROTON fleet shrank 9.1% in the past year, and is now 81% below its peak of 16,966 back in 2014 Q3. 14 of its models rank rare or ultra-rare on RarityRadar.