McGrath Chevrolet of Dubuque is now open! Real gas sipper!!! 22 MPG Hwy* Won't last long!! New Arrival. 4 Wheel Drive... Don't bother thirsting for any other SUV!! Move quickly*** Optional equipment includes: Black Roof Rack Cross Rails (LPO)... McGrath Chevrolet of Dubuque was formerly known as Bird Chevrolet and is still located at 3255 University Ave, Dubuque IA.