We didn't build the RZR, they bought our Z1 kit and we did the tuning on it once they had it done. Pretty neat design. Owner is short than I am. It was tight for me to drive and I am only 5'9". They started with a 900XP and only used suspension, tranny, seats, and steering rack. He tells me that it weighs about 1350. We tuned it to run on super unleaded and it hauls the mail. VERY low center of gravity since you sit on the floor pan basically.