Convertible is better for cruising, but the sedan probably would survive ramming actions better.

[ Ilsa checks the cars over quickly ]

Not that the people inside would fare well, without some modifications. No seatbelts, airbags or crumple zones, but they make great missiles.

[ She realizes she's frowning furiously, and then grins. ]

You also don't want to know how many ways I can disable one of these, either.