The PMA Problem: Why Dealer Territory Definitions Are Making You Less Competitive

The boundaries that define your dealers’ territories were probably drawn a long time ago, by someone who is no longer around, using logic no one wrote down. Those lines are now shaping every performance decision you make.

A primary market area (PMA) is the geographic territory an OEM assigns to a dealer for sales and service. PMAs exist to allocate market accountability and reduce conflict between dealers. The problem is that many were defined historically, by county lines or legacy boundaries, rather than analytically from customer behavior, which distorts performance benchmarks and weakens competitiveness.

What is a PMA and why does it exist?

A primary market area is the territory for which a dealer holds primary responsibility. It is the unit OEMs use to assign accountability, measure performance, and manage conflict, so two dealers are not officially fighting over the same ground.

PMAs exist because a network needs a way to divide the map. Without them, there is no clean way to say which dealer owns which demand, and no fair basis for benchmarking. They are foundational to any dealer network strategy and to credible performance measurement.

How do most OEMs define PMAs?

Many PMAs have historically been defined by county boundaries, old sales regions, or lines that were drawn when a dealer was appointed years or decades ago. They are administratively convenient, but they rarely reflect how customers actually behave.

Real buyers do not respect county lines. They cross them to reach a closer or preferred dealer, they travel along highways and commuting patterns, and they cluster in ways that have nothing to do with the boundaries on the OEM’s map. When the PMA does not match real customer travel, every metric built on it inherits the error.

What does a well-designed PMA structure look like?

A well-designed PMA is built analytically from customer behavior and demand, not from administrative lines. It reflects where buyers actually originate, how they travel, where competitors sit, and how demand concentrates. Spatial algorithms assign each unit of geography to the dealer most likely to serve it based on real travel and competitive reality.

The result is a set of territories that mirror how the market actually works. Demand is allocated to the dealer who genuinely competes for it, boundaries follow behavior rather than convenience, and the structure can be revisited as markets shift instead of being frozen forever.

How does PMA management connect to dealer performance?

A dealer’s PMA defines the opportunity you judge that dealer against. If a dealer’s territory is mis-defined, its market potential is mis-estimated, its capture rate is wrong, and its performance benchmark is meaningless. A dealer can look like an underperformer purely because its PMA includes demand it could never realistically win, or a non-performer can look fine because its PMA understates its true opportunity.

With roughly 16,990 franchised dealerships in the U.S. (NADA), each operating inside an assigned PMA, a boundary drawn from county lines rather than from behavior quietly distorts the benchmark for every one of them. Sound PMA management is therefore the precondition for fair dealer performance measurement. Fix the boundaries to reflect reality, and the benchmarks, the gap analysis, and the network decisions built on them all become trustworthy. Leave them historical, and you are optimizing against a distorted map.

Frequently Asked Questions

What does PMA stand for in dealer networks?

PMA stands for primary market area. It is the geographic territory an OEM assigns to a dealer as its area of primary responsibility for sales and service. PMAs allocate market accountability among dealers and provide the geographic basis for measuring each dealer’s performance against local demand.

Why are historically defined PMAs a problem?

Because they rarely match how customers actually travel and buy. When boundaries follow county lines or legacy regions instead of real behavior, market potential and capture rates are mis-estimated, performance benchmarks become unfair, and territory disputes intensify. Every downstream metric inherits the error built into the boundary.

How often should PMAs be reviewed?

PMAs should be reviewed whenever markets shift meaningfully, such as population movement, new competitive entries, network changes, or major infrastructure changes that alter customer travel. Treating PMAs as permanent freezes the network against a market that keeps moving. Periodic analytical review keeps territories aligned with current behavior.

Sources: National Automobile Dealers Association (NADA), dealership counts (nada.org).