http://www.mobiloil.com/USA-English/MotorOil/Car_Care/Question_of_the_Week/Question_of_the_Week.aspx
Question of the Week
Each Question of the Week prize winner will receive a Mobil 1 men’s or ladies’ Silk-Touch™ Mobil 1 Sport Shirt. ARV of each weekly prize: $20.00. The odds of winning depend on the number of eligible entries received.
Performance Gallery
Each month, one (1) winner will receive four (4) cases of Mobil 1 motor oil of their choice, and the two (2) runner-ups will receive a Mobil 1 jacket and sport shirt. Total ARV of all Photo Essay Contest Prizes: $5,160.
Total ARV of all prizes for the Question of the Week and Performance Gallery is $7,428. Limit one (1) prize per person, family or household per calendar year.