Mpg for 2004 gmc envoy Read Also: 2004 GMC Envoy XL SLE #8847664 2004 GMC Envoy XUV SLE #7830044 2004 GMC Envoy SLE #8848809 2004 Gmc envoy center cap 2004 Gmc envoy xuv suv 2004 Gmc envoy xl suv review