Second hand car dealers in trichy under 2 lakhs twins cars (pre-owned multi-brand cars bazaar) a car dealership, or car dealer, is a business that sells new or used cars, at the retail level, based on a dealership contract with an automaker or its sales subsidiary. Car dealerships also often sell spare parts and automotive maintenance services. Second hand car dealers in trichy under 2 lakhs twins cars (pre-owned multi-brand cars bazaar) a car dealership, or car dealer, is a business that sells new or used cars, at the retail level, based on a dealership contract with an automaker or its sales subsidiary. Car dealerships also often sell spare parts and automotive maintenance services.