At around 1:13 into the movie, Kara's dad pulls the registration out of the car's glove compartment. The car is listed as a 2013 BMW CP, when it's obviously a Mercedes.
At around 27 minutes into the movie, Kara's dad gives her a check to help out with her expenses. A close up of the check reveals the check number is 284, yet the MICR numbers at the bottom of the check indicate that the check number should be 267.
At around 43 minutes into the movie, Kara's dad pulls the registration out of the car's glove compartment. The car is listed as a 2013 BMW SW (station wagon or SUV), when it's obviously a Mercedes sedan.
When Shawna meets up with her sugar daddy in the beginning of the movie, Kara later comments that she likes her sugar daddy's Ferrari. The car being driven by the sugar daddy is clearly a convertible Corvette.