New Haven Car Leasing 38 Trumbull St New Haven, CT 06510 +1 860 352 5599, Payment: cash, check, credit cards. There are five main reasons why leasing from New Haven Car Leasing is the smart thing to do if you're looking to lease. The first is that we have the largest, most comprehensive inventory of vehicles around. The second is that we also have the lowest leasing prices you'll find anywhere in the State of Connecticut.