Competition INFINITI is the one-stop dealer for buying new, used and certified pre-owned INFINITI cars in NJ, NY and surrounding areas. Apart from being Suffolk County's exclusive INFINITI retailer, the dealership is also one of the top that cover everything from sales, service, parts and accessories, to financing. Whether you are looking to buy new or pre-owned INFINITI, shop for genuine replacement parts or new accessories to personalize your INFINITI, or maybe need a quote on financing or trade-in, Competition INFINITI has specific departments to help you find what you need.