You can't possibly grasp the overhead costs associated with being Batman. You ever try to dry-clean molded kevlar? And the G-D government will let Bruce Wayne get away with paying only 13.9% in taxes, but Batman can't write-off the electricity used to power the Bat-Signal unless it's 100% renewable. So Batman cut back a little, people.
It's not as convenient as the Batcopter nor as rugged as the Tumbler, but it's gotta convertible top. That's sexy, right? I mean, how long does Batman stay in a car before he's gotta jump out anyways. And it's an Escort GT. That means "Grand Touring." Bring this baby to Monaco, show them what's up.