The pickup truck is both described and shown in photos to be blue and tan. When they find it in the forest, it's blue and white.
Amanda Larson went missing on March 3rd. When a witness for the prosecution takes the stand, the date is shown as only being March 9th, 6 days after the crime was committed.
Earlier in the episode, Amanda's height is listed at 5' 4" on her drivers license. In the missing flyer, her height is listed at 5' 10"