Franchise dealers are putting more money into used inventory because new car margins have gone flat while used cars offer better turn and better profit per unit. CPI data for new vehicles shows only a 0.569 percent year-over-year increase as of August 2026, essentially flat against overall inflation of 3.353 percent. Used vehicle prices, meanwhile, are down 2.318 percent year-over-year on a seasonally adjusted basis. That gap between a flat new market and a declining used market sounds like it should push dealers toward new. It's doing the opposite.
Here's why: a declining used market combined with still-tight new supply creates a buying opportunity for dealers, not just consumers. The auto inventory-to-sales ratio sits at 1.242, down 16.812 percent from a year ago. That's a tight supply picture across the board. When new inventory is scarce and margins are compressed by manufacturer allocation rules, dealers can't move volume fast enough on new metal to hit their targets. Used cars, especially off-lease returns and trade-ins from the 2022-2023 model years, give them inventory they can price and turn without waiting on a factory order.
What's Driving the Shift in Dealer Behavior
Dealers are chasing used inventory because it now turns faster and ties up less floor plan financing than new units sitting on a lot waiting for the right trim combination. A new vehicle ordered through a franchise's allocation system can sit 60 to 90 days before it even arrives. A certified pre-owned unit bought at auction or pulled from a lease return can be reconditioned and on the lot in a week.
With the Federal Funds Rate at 3.75 percent as of September 2026, down from a year earlier, floor plan financing costs have eased some, but dealers are still sensitive to carrying costs. A car that sits longer costs more in interest, insurance, and depreciation exposure. Used inventory with sub-2,000-unit production runs per model year turns in weeks, not months, which matters more to a dealer's cash flow than the manufacturer's new car incentive on paper.
How This Plays Out at the Franchise Level
Franchise dealers with multiple brands under one roof are reallocating certified pre-owned reconditioning budgets ahead of new car marketing spend, a reversal from five years ago. CPO programs, which used to be treated as a secondary business line, are now getting dedicated detail bays and inspection staff that used to be assigned to new car prep. That's a real operational signal, not just a pricing strategy.
You'll also see it in how trade-ins are handled. Dealers are offering more aggressive trade-in appraisals right now because they need the inventory, not because they're being generous. If you're trading in a 2-3 year-old vehicle, this is a better moment to negotiate than it was a year ago.
What This Means If You're Buying
If you're shopping used, expect more selection and sharper pricing on CPO vehicles at franchise stores, since that's exactly where dealers are putting their attention and reconditioning dollars. The used vehicle price index is already down 2.133 percent year-over-year through April 2026, and dealer behavior suggests that softness continues into the CPO segment specifically, where supply is improving faster than demand.
If you're shopping new, don't expect the same energy from the sales floor. New vehicle CPI is barely moving, which tells you dealers aren't discounting new units to move them. You'll get a straighter price on a new car, but less room to negotiate, because the dealer doesn't need to unload it the way they need to unload aging used stock.
At Greene Street Co., we've been telling clients this is a good window to buy a 2-4 year-old off-lease vehicle through a franchise CPO program rather than chase a new unit. The inventory is better, the reconditioning standards are higher than independent lots, and the pricing reflects a market where dealers need the volume.