Nitto Trail Grapplers are a better tire in my opinion. I have also had both, and the Nittos felt better over time vs BFG, and wore more evenly. I did notice the Nitto's emitted more road hum sooner than the BFG's. Nitto is definately a tougher tire also.

The Nitto's look great too!

Pic of my old 2012 JKU Sahara on 35x12.5 17 Nitto Trails.