---
title: Smarter Strategies for Fast-Turning Used Car Inventory
description: Discover how LMDS and the Autotrader Scarcity Index help dealers source faster, sell smarter, and protect gross with the Profitable Pre-Owned Framework.
---

[Profitable Pre-Owned Blog](https://www.profitablepre-owned.com/blog)

# [Smarter Strategies for Fast-Turning Used Car Inventory](https://www.profitablepre-owned.com/blog/smarter-strategies-for-fast-turning-used-car-inventory)

 Written by [CRAIG A WHITE](https://www.profitablepre-owned.com/blog/author/craig-a-white) | Oct 29, 2025, 5:46:34 PM

# The Secret Formula for Smarter Used Car Sourcing

*By Craig White | Profitable Pre-Owned*

## You can’t out-price the market anymore — you have to outsource it.

For years, most buyers have leaned on a single metric: **Market Days Supply (MDS)**. The problem? MDS treats every vehicle the same — even when demand is wildly different at the **trim level**.

The pros have moved on. They’re using a smarter blend of data to identify *which* cars actually move metal and *when* to step up on them.

That blend is what I call the **Secret Formula.**

## The Formula

**Low LMDS + High Scarcity Index + Positive Strategy Need + B– or Better Provision Grade = Velocity Inventory**

This isn’t theory. It’s a repeatable process that uses real market signals — not guesses — to find the cars that turn fast and protect gross.

## 1. LMDS (Like-Mine Days Supply)

Where MDS lumps everything together, **LMDS** looks at how fast *your exact unit* sells — year, make, model, trim, drivetrain, even equipment packages.

**Example:**  
A 2022 Toyota RAV4 might show a Market Days Supply of 62.  
But a 2022 RAV4 XLE? Its LMDS could be 32.  
That’s real demand — the kind that actually drives velocity.

**Target:** LMDS under 40 days (ideally \< 35).

## 2. Autotrader Scarcity Index (100 – 1,500 Scale)

The Scarcity Index measures live shopper demand versus available supply. The higher the score, the tighter the market.

- **300 + = Strong Demand**
- **600 + = High Velocity**
- **1,000 + = Extreme Demand**

If you’re only looking at pricing or rank, you’re missing the story behind why those vehicles sell fast. The Index exposes *where buyers are already lined up.*

## 3. Strategy Need & Provision Grade

This is the reality check.  
Stockwave’s **Strategy Need** tells you whether the unit fits your lot mix.  
vAuto’s **Provision Grade** shows confidence in both turn and gross.

**Aim for:**  
✅ Positive Strategy Need  
✅ B– Grade or Higher

<https://www.profitablepre-owned.com/hubfs/Profitable_PreOwned_Sourcing_Playbook_v2.pdf>

## 4. Putting It Together – The Velocity Example

| Metric | RAV4 XLE |
| --- | --- |
| LMDS | 32 days |
| Scarcity Index | 420 (Strong Demand) |
| Strategy Need | Positive |
| Provision Grade | B + |

**Result:** Velocity Car — high demand, low supply, fast turn. That’s a unit you can buy confidently and retail twice before your competition even adjusts their pricing.

## 💡 5. Bonus Tip – See It All in Your Glance Box

If you’re using vAuto, you can add the Autotrader Scarcity Index module directly into your Glance Box view. This integration was made possible 5 years ago thanks to a suggestion I gave to [Patrick Janes](https://www.linkedin.com/in/patrick-janes-vauto-stockwave/), AVP, vAuto Solutions, after I relied on static spreadsheets from my Autotrader rep. Now, you can see LMDS, Scarcity, Provision Grade, and Strategy Need side-by-side in real time.

It’s one of the simplest upgrades that separates the “data curious” from the “data driven.”

## 6. How to Apply the Formula in Your Store

 

I know this might sound a bit drawn out, but the car pictured above is the very one I used when I first discovered this formula back in 2017. While it’s a 2013 model in 2017, it’s the same make and trim, and remarkably, nothing major has changed on this car in six years. As a Regional buyer overseeing 24 stores, I’ve seen eight stores with a strong, positive strategy for this vehicle—it ticks every box but one. The only thing holding it back is a C– Provision grade instead of a B–. Even so, this is a textbook Profitable Pre-Owned opportunity.

Despite the lower grade, there’s still considerable upside. You could comfortably pay well above MMR and still clear a $5,000 profit.

## Follow this plan:

 

1. Pull your **Stockwave** list and sort by LMDS.
2. Layer in the **Autotrader Scarcity Index** (100–1,500 scale).
3. Filter for **Positive Strategy Need + Grade B– or better.**
4. You’ll instantly see which cars are *velocity winners* and which are dead weight.

This is where real inventory control begins — not with markdowns, but with smarter sourcing. 

 

## Final Thought

 

You can’t spend your way through a slow turn anymore—you have to think your way out. Dealers who grasp LMDS and Scarcity are always a step ahead, spotting opportunities before the rest.

This isn’t about chasing the cheapest cars—it’s about chasing the fastest movers. When you combine data, discipline, and demand, your inventory becomes a profit engine.

“That’s not just a solid used car—that’s a Profitable Pre-Owned.”

This is the future of sourcing: driven by data, exact to the trim, and relentlessly focused on profit.

 

## 📘 Download Your Free Playbook

Want the full framework with examples, thresholds, and a velocity score sheet?

👉 [Download The Profitable Pre-Owned Fast Turn Playbook (PDF)](https://www.profitablepre-owned.com/hubfs/Profitable_PreOwned_Sourcing_Playbook_v2.pdf)

[View full post](https://www.profitablepre-owned.com/blog/smarter-strategies-for-fast-turning-used-car-inventory)

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