What Is Floor Plan Tracking?

How Floor Plan Financing Works

Short answer: A floor plan is a revolving credit line that lets dealers borrow money to buy inventory at auction. Interest accrues daily on each vehicle until it's sold and the lender is paid off.

Most independent and wholesale auto dealers don't pay cash for every car. Instead, they use a floor plan line of credit from providers like NextGear Capital, AFC (Automotive Finance Corporation), Kinetic Advantage, or a local bank.

Here's how it works:

• The dealer buys a vehicle at auction for $15,000
• The floor plan lender pays the auction directly
• Interest begins accruing on that $15,000 immediately — typically between 6% and 10% annually
• When the dealer sells the car, they repay the lender the principal ($15,000) plus any accumulated interest

The critical detail: interest accrues every single day the car sits in inventory. The longer you hold a vehicle, the more it costs you — even if you haven't spent another dollar on it.

How Floor Plan Interest Is Calculated

Short answer: Daily floor plan interest = (Purchase Price × Annual Rate) ÷ 365. A $15,000 car at 8% costs $3.29/day in interest.

The formula is straightforward:

That $15,000 car actually costs $15,296 after 90 days — before you add transport, reconditioning, or any other expenses. If you're not tracking this daily, you don't know your real cost.

Why Floor Plan Tracking Matters

Short answer: Without floor plan tracking, dealers underestimate true vehicle cost and overestimate profit. Many wholesale dealers report they were off by $100–$300 per vehicle before they started tracking daily interest.

Floor plan interest is one of the largest hidden costs in a wholesale dealer's operation. Here's why tracking it matters:

• Profit accuracy: If you buy a car for $12,000 and sell it for $13,500, your gross profit looks like $1,500. But if you held it 45 days at 8%, you owe $118 in interest. Add $300 in transport and $200 in recon, and your real profit is $882 — not $1,500.
• Aging awareness: Cars that sit too long bleed money. Floor plan tracking shows you exactly which units are costing the most in daily interest, so you can price them to move.
• Curtailment avoidance: Most floor plan lenders charge penalty fees (curtailments) if a vehicle stays on the line beyond 45–90 days. Tracking days-in-stock helps you avoid these fees.
• Deal negotiation: When you know your true all-in cost including interest, you set accurate asking prices instead of guessing.

How Dealers Track Floor Plan Interest

There are three common approaches:

1. Spreadsheets (Manual)

Many dealers start with Excel or Google Sheets, calculating interest manually for each vehicle. This works with a few cars but breaks down quickly — research by Raymond Panko at the University of Hawaii found that 88% of spreadsheets contain errors. Forgetting to update a formula, entering the wrong purchase date, or using last month's interest rate all lead to inaccurate cost tracking.

2. Monthly Lender Statements (Reactive)

Some dealers wait for their monthly floor plan statement from NextGear, AFC, or their bank. The problem: by the time you see the statement, the charges have already happened. This is reactive, not proactive.

3. DMS Software (Automatic)

Dealer management software can calculate floor plan interest automatically for every vehicle, every day. FoxDMS tracks floor plan $/day per vehicle based on purchase price, interest rate, and days in stock — updating in real time as part of your true all-in cost. Most retail-focused DMS platforms (Frazer, DealerCenter, DeskManager) do not include automatic daily floor plan interest calculation.

Frequently Asked Questions