Is there any difference between "by car" and "in a car"? For example:
I usually come to work by car/in a car.
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Sign up to join this communityThe first describes the conveyance, that is, the primary means by which you come. The second describes something that happens coincidentally. For example, if you were sitting in a car being carried by a flatbed truck, you would be going to work by truck, in a car.
Following this construction one could go to work by car in ones pajamas, or in a Scottish kilt decorated with rutabagas, or in a state of joyful mirth.
The difference is fairly nuanced. I would say that in practice both versions are perfectly understandable.