Spotless One-Owner! Talk about MPG! Set down the mouse because this charming 2010 Toyota Highlander is the gas-saving SUV you've been thirsting for. It will allow you to dominate the road with style and get wonderful fuel economy while you're at it. J.D. Power and Associates gave the 2010 Highlander 4.5 out of 5 Power Circles for Overall Initial Quality Mechanical.