Ranger RZR XP 900 Ranger RZR XP 900 - Only Xtreme Performance The 2012 Ranger RZR XP 900 is the only Xtreme Performance Side x Side out there. It totally dominates in the dunes and desert. With 88 hp, low center of gravity, 3-link trailing-arm IRS with 14 in. of suspension travel and 13 in. of ground clearance, nothing else can touch it.