The redesigned Lexus GX promises more luxury and power than the long-running model it replaces. The three-row GX shares the GA-F platform with the Lexus LX, giving it a strong foundation, and it’s larger in every key dimension. It uses a 349-hp, 3.4-liter turbocharged V6 engine with a 10-speed automatic transmission and full-time four-wheel drive. Lexus claims it gets 17 mpg combined—not impressive. A hybrid powertrain will be available in the future.