Márquez brothers x Audi RS 6 Avant performance by Audi exclusive Check out audispain for more. #Audi #VorsprungDurchTechnik #RS6 #AudixMárquez —— Audi RS 6 Avant performance: Fuel consumption combined in l/100 km: 12.7–12.2; CO₂ emissions combined in g/km: 289–277. CO₂ class: G.