KBB.com Best Resale Value Awards. Only 15,558 Miles! Delivers 25 Highway MPG and 18 City MPG! This Porsche Panamera delivers a Twin Turbo Premium Unleaded V-8 4.0 L/244 engine powering this Automatic transmission.*Options:*Turbocharged, All Wheel Drive, Air Suspension, Active Suspension, Power Steering, Air Suspension, Air Suspension, ABS, 4-Wheel Disc Brakes, Brake Assist, Aluminum Wheels, Tir...