The Audi S1 is Audi's smallest S model car and a performance version of the Audi A1. The first variant (Typ 8X, produced from 2014 to 2018) has 228 hp (231 PS / 170 kW) derived from the Volkswagen group's EA888 2.0 litre turbo four cylinder, and on demand Haldex Quattro four-wheel-drive.