There are 355 BUICK cars still on UK roads in 2025 Q4, spread across 6 models — from the RIVIERA (147 of them, the brand's most common survivor) down to the ENCORE AUTO, with just 1 left. 6 of its models rank rare or ultra-rare on RarityRadar.
The rarest is the BUICK ENCORE AUTO, with just 1 left. See also the rarity leaderboards and ultra-rare cars.