Dream about driving a different car is foolishness and ignorance. A threat has passed. Perhaps you are drawing it out of proportions. This represents some emotional adventure or relationship. You have accepted aspects of a relationship and learned from those past mistakes.
Driving a different car dream signals your fears that some hidden aspect of your life will be discovered or made public. Perhaps you need to lend a helping hand to someone. Your problems will soon pass. This points at the effort and work that you have invested into some project or cause. You may be nervous about a meeting and it’s probably been weighing on your mind.
If you dreamt about driving a different car:
Have you been concentrating strongly on spiritual studies for a while? Do you meditate regularly? If so, don’t be surprised if insights and revelations come to mind today. Write them down. There will be too many to remember. If you’re inclined toward writing, you might set your ideas down in a book, perhaps with publishing in mind. Doors open wide for you.