1. Toyota Highlander Hybrid
Topping the Top 10 list of most fuel-efficient three-row SUVs is the Toyota Highlander Hybrid. With its 3.5-liter V6 mated to an electric motor, the hybrid powertrain has a total system output of 231 hp and 215 lb-ft of torque, providing 28 mpg across the board. Priced from $48,160 the Toyota Highlander Hybrid may not be the cheapest on the market, but if you have to seat seven or even eight while conserving gas on those long road trips, it’s your best bet.