How a Dealer Management System Turns Aftersales into an OEM Profit Center
Overview Fixed operations, service, and parts generate 49% of total dealership gross profit while consuming just 12% of total revenue, according to NADA's 2025 Dealership Financial Profile, a margin profile no other department comes close to matching. But that profit doesn't happen automatically just because a service department exists. It depends on specific, repeatable mechanisms: documented multi-point inspections, systematic follow-up on declined work, structured maintenance packages, that a dealer management system either enables consistently or lets quietly fail. A DMS is the infrastructure that makes both mechanisms operate consistently, rather than depending on any individual advisor remembering to do them well. Introduction Fixed operations earning 49% of a dealership's total gross profit on just 12% of its revenue isn't an accident of the business model. It's the result of a specific, repeatable set of mechanisms, some diagnostic, some communicatio...