Vehicles / Audi Audi RS4 B7 (2006-2008) Guide to the B7 RS4. 4.2L V8 specs, 8250rpm redline, and exhaust options. 2006-2008 Sedan euro track awd v8 template: seo/vehicle:61:30: executing "seo/vehicle" at <.Vehicle.Quote>: can't evaluate field Quote in type interface {}