I have had mine about 6 weeks and have 12,100 miles on it and about what Ramler gets for mileage. Got a little better with my 2007 but with mods and no emissions. Just sold that one with 650000 miles.
2017 3500 CC,LB,4WD, Single wheel, 80 Gal. Aux fuel tank. EDGE CTS
07,D/A,2500HD,4wd,cc,Edge Evolution,Eric`s pump rub kit, blocked EGR,3" downpipe, PCV reroute,4 inch MBRP,245`s(mileage went up while towing from 265's),spray on liner,sirius radio, rear airbags. Suncoast tranny,S&B cold air intake,Air Dog lift pump. SOLD
#2- 08, ccsb, 4 stainless magnaflow, Edge juice, EGR blocked, PCV reroute, ( sold)