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Floor plan financing is the engine that keeps dealerships stocked. Without it, most dealers could not afford to hold enough inventory to meet customer demand, since wholesale unit costs for vehicles, RVs, boats, and heavy equipment routinely run from $15,000 to well over $150,000 per unit. A floor plan credit line lets the dealer draw funds to purchase inventory from a manufacturer or auction, then repay that draw when the unit sells to a retail buyer.
If you are a dealer researching floor plan options, or an operator trying to decide whether a floor plan loan fits your business model, this guide covers how the product works, what curtailment schedules mean in practice, and how to pair floor plan credit with working capital financing to run a cleaner operation.
How Floor Plan Financing Works for Auto, RV, Marine, and Equipment Dealers
A floor plan credit line functions like a revolving credit facilitysecured by the physical inventory it funds. When a dealer wants to purchase a unit from a manufacturer or at an auction, they submit a draw request to their floor plan lender. The lender wires payment directly to the seller, and the unit lands on the dealer's lot. The dealer then holds the unit for retail sale, and when a customer purchases it, the proceeds are used to pay down that specific unit's floor plan balance before the dealer takes any profit.
Auto dealers are the most common users of floor plan credit lines, but the product is equally common in RV, marine, powersports, and commercial equipment dealerships. A mid-sized used car lot might carry 80 to 120 units at any time with an average cost of $18,000 per unit, putting total floor plan exposure somewhere between $1.4M and $2.2M. A marine dealer with a mix of pontoons, center consoles, and wake boats can easily carry $3M to $5M in wholesale inventory during peak spring season.
The lender's collateral is the inventory itself, which is why physical audits (called lot checks or field audits) are a standard condition of most floor plan agreements. An auditor visits the lot on a scheduled or surprise basis and verifies that every unit on the floor plan is physically present and accounted for. Missing units trigger immediate curtailment demands, so lot discipline is not optional.
Curtailment Schedules and Aged-Inventory Penalties
The most operationally demanding feature of a floor plan credit line is the curtailment schedule. Once a unit has been on your floor plan for a defined number of days, typically 90 to 180 days depending on the lender and product type, you are required to pay down a percentage of that unit's principal balance. These payments are called curtailments, and they continue on a rolling schedule until the unit sells or the balance is paid to zero.
A common structure works like this: at day 90, you owe 10% of the original funded amount on that unit. At day 120, another 10%. At day 150, another 10%. By day 180, you may owe 30% of the original advance even though the unit is still sitting on your lot generating zero revenue. If you carry aged inventory that is not moving, curtailment payments can become a serious cash flow drain, especially heading into a slow season when retail traffic drops.
Dealers who manage curtailment well do a few things consistently. First, they price aged units aggressively before the first curtailment trigger rather than waiting for the schedule to bite them. Second, they track days-on-lot for every unit in their dealer management system so they always know what's coming. Third, they negotiate with their floor plan lender for extended terms on slow-turning product categories. Understanding your curtailment schedule before you sign a floor plan agreement is one of the most important due diligence steps a dealer can take.
Pairing Floor Plan Credit with a Separate Working Capital Line
A floor plan credit line is purpose-built for inventory. It is not designed to cover payroll, advertising spend, service department supplies, or F&I office overhead. When dealers try to use their floor plan as a general operating account, two problems emerge. First, they draw down credit that should be reserved for buying retail-ready units. Second, they muddy their lender's audit trail, which can create compliance headaches during lot checks.
The cleaner approach is to maintain a separate working capital line of creditalongside your floor plan. The working capital line covers day-to-day operating expenses, seasonal payroll fluctuations, and unexpected costs like a hail storm that requires paintless dent repair across a dozen units. When operations are funded separately, your floor plan capacity stays available for what it's designed to do: keeping the lot stocked with sellable inventory.
Dealers in high-turn categories like used cars can often maintain a working capital line equal to roughly one to two months of operating expenses, typically $50,000 to $250,000 depending on dealership size. Lower-turn categories like RVs and marine sometimes require larger working capital buffers because the time between inventory purchase and retail sale is longer, and curtailment obligations pile up faster in a slow market. A business line of credit from a lender like TurboFunding, with funding from $10,000 to $5M, can be structured specifically for this kind of operating buffer role.
How TurboFunding Helps
TurboFunding works with dealers and inventory-heavy businesses that need working capital solutions to run alongside their existing floor plan credit. If your dealership carries a floor plan but needs a separate operating line to cover payroll, marketing, reconditioning, or service department costs, TurboFunding'sbusiness line of credit is built for exactly that role. We fund from $10,000 to $5M, require a 550+ FICO score, $10,000 or more in monthly revenue, and at least six months in business. The application takes about three minutes and uses a soft credit pull only, so there is no impact to your personal or business credit score just for checking your options. Dealers move fast, and so do we. Find out More
Frequently Asked Questions
Q. What types of dealers use floor plan financing?
A. Auto dealers are the largest user group, but floor plan credit lines are also common among RV dealers, marine and boat dealers, powersports dealers, motorcycle dealers, and heavy equipment dealers. Any business that carries high-cost wholesale inventory that is purchased before it can be sold to a retail customer is a potential candidate for floor plan financing.
Q. How is a floor plan credit line different from a traditional business loan?
A. A traditional term loan delivers a fixed lump sum that you repay on a set schedule. A floor plan credit line is revolving and unit-specific. You draw against it each time you purchase inventory, and you repay each draw when that specific unit sells. The lender holds a security interest in each unit separately, and curtailment schedules create mandatory paydowns on units that stay on the lot too long.
Q. What happens if a unit is sold but the floor plan is not paid off immediately?
A. This is called being "out of trust," and it is one of the most serious compliance violations in dealer finance. If a lender discovers you sold a unit and did not pay down the corresponding floor plan balance, they can call the entire credit line and terminate your agreement. Most floor plan agreements require payoff within one to five business days of retail sale. Dealers must build this timeline into their deal-closing process without exception.
Q. Can a startup dealership qualify for a floor plan credit line?
A. Most traditional floor plan lenders require at least one to two years of operating history and audited financial statements. Newer dealers often need to build a track record with smaller inventory levels before they qualify for larger lines. Some specialty lenders do work with newer dealers, but expect higher rates, lower advance percentages, and tighter curtailment terms until the relationship matures.
Floor plan financing is one of the more specialized credit products in commercial lending, and it works best when dealers treat it as a purpose-built inventory tool rather than a general funding source. Keep your curtailment schedule visible, price aged units before the clock runs out, and fund your operations separately so your floor plan capacity stays available for buying inventory. If you need a working capital line to run alongside your floor plan, TurboFunding can help you find the right structure for your dealership. Find out More