 Independent tests with mixed driving usage found rates of "nearly 32" and 26.8 equivalent MPG.The estimated fuel cost for this vehicle to drive 25 miles in a combination of city and highway driving is US$1.47 using CNG, based on an average fuel price of US$1.93 per gasoline equivalent gallon (121.5 cubic feet).The GX qualifies for high-occupancy vehicle lane (HOV) access in California, Arizona, Utah, and other states.