Every year on July 4 all American models (cars, bike and guns) are FREE for TWO days.
You may play and collect Exp and Credits and then unlock model you like. Also you may check if model worth your attention or not to purchase it or not in future. This event will be finished in 2 days. Then all gifted models will be locked again but Exp. point and Credits will remain.
Current list contains 74 (+7 premium) models.
NE team