Only 20,529 Miles! Scores 19 Highway MPG and 15 City MPG! Dealer Certified Pre-Owned. This Lexus GX delivers a Premium Unleaded V-8 4.6 L/281 engine powering this Automatic transmission. Window Grid Diversity Antenna, Wheels: 18 x 7.5J Aluminum Alloy, Voice Activated Dual... via LIUsedCars