Which ever one would be easiest to convert to Nitro but more seriously and I'm not a Traxxas fan but there E-Maxx is a pretty stout truck after you do all the upgrades with the bulk heads and arms. Its definably faster than the e-savage. On the same hand I woudn't put the T-maxx on the same page with a Savage XX nitro. HPI makes some great products but I would have to give the edge to Traxxas in this case [&o]