I have a 98 pathfinder with the same engine, 5 speed 4x4. It has 235/75/15 uniroyal laredo tires on it, so nothing massive or heavy.
Ive been super OCD about tracking my mpgs in the 3 years i've had it. Highest highway was 24, lowest ever was about 12, that was heavy 4x4 use in snow.
I have a...