0W20 vs 5W20 Synthetic Motor Oil: Different or Same? Maintenance Tips 1 2 3 4 TABLE OF CONTENT 1. Different Engine and Transmission Layouts 2. 4WD – Four-Wheel Drive Different Settings for 4WD 3. AWD – All-Wheel-Drive 4. FWD – Front-Wheel Drive 5. RWD – Rear-Wheel-Drive 6....