ZR2NYC
Well-known member
i average around 10 mpg city driving. the fun i have is worth it imo.NEW TO THIS SITE:
NEW OWNER OF A 2023 ZR2 LOVE THE TRUCK BUT THIS FUEL MILAGE IS REDICULOUS!
I HAVE HAD A 2014 GMC AT4 (6.2) SINCE NEW , NOW HAS 82000 MILES HIGHWAY 20-21
CITY 15-16 RUNS GREAT ALL AROUND GREAT TRUCK 0 MODIFICATIONS...
NEW ZR2 13 CITY 14.1 HIGHWAY 3000 MILES STOCK
ADDED A 50 SERIES FLOW MASTER NO CHANGE : ( SOUNDS GREAT POWER IS AWESOME)
WHAT HAVE YA'LL DONE TO IMPROVE FUEL ECONOMY?