The short answer: most fake Facebook leads are burner and VOIP numbers, disposable email addresses, automated form fills, and people who tapped submit on a pre-filled form without meaning to. Facebook counts every one of them as a lead, and you pay for each. You cannot stop all of them at the ad. You can stop them before they reach your BDC, by scoring every lead the moment it lands and sending only the real buyers to your CRM.
Where fake leads come from
Every dealer who runs lead ads sees the same pattern. A good week of form fills turns into a bad week of phone calls: numbers that ring nowhere, names that are clearly made up, and people who say they never asked about a car. Nearly all of it comes from five sources.
- Burner and VOIP numbers. Prepaid and internet lines that never connect to a person, or connect to someone who has never heard of your store.
- Disposable email addresses. Throwaway domains with no mail server behind them, built to be used once and dropped.
- Automated fills. Scripts that complete a form in a few seconds, faster than any person could read about a car.
- Accidental taps. Facebook lead forms fill in the name, phone, and email from the profile, so submitting takes one tap. That is easy for a buyer, and just as easy for someone who did not mean it.
- Serial form fillers. People who submit on every offer in their feed, whether it is a truck, a giveaway, or a gym membership.
Why Facebook keeps sending them
Facebook delivers the result you ask for. When the campaign goal is leads, the system looks for people likely to submit a form, and the people who submit the most forms are not always the people buying a car this month. A low cost per lead in Ads Manager can simply mean the campaign found the people who fill out everything.
Ads Manager also cannot tell you which leads answered the phone. It reports form fills, not conversations. So the junk stays invisible until your BDC starts dialing, and by then you have paid for the click and are about to pay again in staff time.
What fake leads actually cost you
The click is already paid for. The bigger cost is the BDC hours spent on records that were never going to connect, and the real buyer who sits further down the list while your team dials burners. Follow up speed is one of the most reliable levers on close rate in dealership lead handling, and junk at the top of the queue slows it down for everyone behind it.
You can put a number on it with your own figures: leads per month, the share that never answer, and the minutes your BDC spends on each one. The calculator on our why leads fail page does that math for you, and it does not promise a sales lift, because that depends on what your team does with the hours.
How to spot a fake lead in seconds
You do not need a data team to see the patterns. Four kinds of signal separate most junk from real buyers, and each one can be checked the moment the lead arrives.
- Phone. Is it a verified mobile with some history, or a VOIP, prepaid, or brand new line?
- Form behavior. Did the person spend time on the vehicle, or was every field pasted in seconds?
- Email. Is it an established consumer or work domain, or a disposable one with no mail server? Free addresses like Gmail are normal and are not a red flag.
- Location and device. Is the lead in your market on a consumer connection, or coming from a datacenter or proxy address?
Those are the four signal families DealerDrive weighs into a single lead score from 0 to 100. No single signal decides the score. A VOIP line can belong to a real buyer using a work phone, and distance alone never disqualifies anyone, because real buyers travel for the right car.
How to stop paying your BDC to chase them
You will always pay for some junk clicks. What you can control is how much of your team's day goes to them. Five moves make the biggest difference.
- Ask a little more on the form. Meta offers a higher intent form type that adds a review step before submit, and you can add a question such as purchase timeframe or trade-in. You get fewer leads and better ones.
- Score every lead the moment it lands. A score that arrives with the lead lets your team sort by quality instead of time of arrival.
- Route by score. Work the highest scores first and the middle scores second. Hold the lowest scores out of the queue, but keep them visible with the reason attached, so nothing is deleted and any call can be checked.
- Get leads into the CRM automatically. The real buyer should get a call in minutes, not after someone downloads a spreadsheet. Here is how to send Facebook leads straight to your CRM.
- Judge campaigns on cost per real buyer. Cost per lead rewards cheap junk. Our guide to car dealer cost per lead explains the number worth watching.
Set the threshold that fits your store
How strict to be is your call, not ours. A store with a big BDC and spare capacity may want every lead and use the score only for sorting. A lean team may hold back everything in the low range so the reps spend their day on people who answer. Either way, the score should be a setting you can change, and the leads it holds back should stay where a manager can review them.
Revisit that setting once you have a month of results. If leads in the middle range close as well as the top range, the cut line is too strict. If the middle range never answers, tighten it. The right threshold is the one your own closed deals support.
The bottom line
Fake leads are a cost of running lead ads, not a sign you are doing it wrong. The stores that win are the ones that stop letting junk set the order of the call list. Score every lead, send the real buyers to your CRM in seconds, and let your BDC spend the morning on people who actually want a car.