If you travel 90% of the time by yourself, a bike will always be a much better choice to put in your garage than a car.

Carrying 3000 extra pounds of metal to work with you every day simply isn't efficient unless you've got 4 other people in your car. If you want to reliably cut $2000-$8000 off your budget a year, learn how to fix your own bikes and sell a car or two.