2021 Dodge Ram Forum
Long freeway trip Sacramento to El Centro, went 467 miles from fill up in Sac to east of San Bernadino:
my calculated MPG was 19.33 MPG (ARCO mid grade)
mostly doing 75+. a/c turned on when we hit LA (60-65 degrees until we hit Santa Clarita, than 80-85 degrees), some tail wind helping...