If you are looking for Volvo dealers in NJ, you are about to make a wise investment. A used Volvo is a sound economic choice not just because of the cost of the car itself, but because of its ability to last and not consume more fuel than you want to pay for.
You might be able to find used Volvos at an average car dealer, but you really want to buy one from one of the Volvo dealers in NJ for several reasons. You aren't buying some cheap item; this is a car. Who do you think knows Volvos best? You wouldn't buy a suit from someone who made shirts, so why buy a Volvo from someone who doesn't specialize in them.
What you want to do is make sure your used Volvo is in sound working order. Not every dealer knows the specifics about them, but if you go to a dealer who focuses only on Volvos, then you know it has been well looked over and should last long into the future. Volvo has won the Intellichoice Award for their Best Luxury Certified Pre-Owned Program for 5 years in a row!