The Liberty 4 is the redesigned Express 4. It has a technology package with a 10" screen (android auto and apple carplay), ECOXGEAR sound bar, turn signals, independent front suspension, hanging pedals, a front trunk, wireless phone charger, USB-A & USB-C and RGB headlights, taillights, brake lights and back up camera. This cart has signature seating, upgraded wheels, locking glove boxes, and a new gen 3 Samsung lithium battery with an 8 year warranty.