Audi RS4 Avant - performance and everyday practicality Brand Audi The third-generation Audi RS4 Avant combines potent performance with a high level of everyday practicality. It's 4.2-liter V8 produces 331 kW (450 hp); the seven-speed S tronic and quattro permanent all-wheel drive transfer that power to... By Car Division, 25 March, 2012