KBB.com 10 Favorite Fuel Sippers. Only 17,915 Miles! This BMW i8 delivers a Intercooled Turbo Gas/Electric I-3 1.5 L/91 engine powering this Automatic transmission.*Options:*Turbocharged, All Wheel Drive, Active Suspension, Power Steering, ABS, 4-Wheel Disc Brakes, Brake Assist, Aluminum Wheels, Tires - Front Performance, Tires - Rear Performance, Heated Mirrors, Power Mirror(s), Integrated Tur...