Your tires are .5 inch taller and .4 of inch wider and are 4 lbs heavier, which will make mpg worse,
Not sure what type of tires were on the 2017,but the Duratacs are not known for gas mileage, so that might be another negative.
2017 Deep Woods Green ZR2 CC
Truxedo Titanium cover
Go Rhino RB20 running boards