The Peugeot 508 PSE is a high-performance version of the 508 model, with some outlets reviewing the 2021 version and others reviewing it in the context of the brand's current lineup. The car has been described as the brand's most powerful road car, but its future is uncertain, with one outlet suggesting that performance Peugeots may be discontinued. Reviews of the 508 PSE have been published for model years ranging from 2021 to 2026, with some comparing it to other high-performance vehicles.