Small streets and pricey fuel have shaped the European car market to favor smaller cars. In fact, what we call a compact car is a midsize on the continent. But now that Ameri- cans are feeling the burn of expensive gas, automakers have responded by bringing a fleet of smaller-than-subcompact vehicles to our shores. Unlike previous stripped-down econoboxes, these will be equipped to appeal to both the budget-minded and the car-savvy consumer.