Advertising guide
Car dealership ad budget: start from what a visit is worth.
A car dealership should spend no more on ads than a booked visit is worth to the store. Work it out from your own numbers: your show rate, your close rate and your gross per car tell you what one booked visit is worth, and that sets the most you can sensibly pay for one. Fund the campaigns that bring visits at or under that cost, and cut the rest.
Quick questions, no call needed.
Updated 8 min readBy the Dealer Ad Solutions team
The short answer
- A car dealership should spend no more on ads than a booked visit is worth to the store: multiply your show rate by your close rate and your gross per car to see what a visit is worth, and treat the answer as a ceiling.
- Fund the campaigns whose cost per booked visit is at or under that ceiling, give a new campaign a few weeks of data, and cut what brings no visits.
- Judge ads by cost per appointment and cost per sale, not cost per lead, and match each sale back to the lead's source in your CRM.
- Fix the answer before you raise the budget: ads that bring in leads nobody answers in time waste the budget, so time how fast every channel replies first.
- The ad budget should be paid straight to the platforms from ad accounts your dealership owns. Ask any agency what you pay for the work and whether any of it is a share of your ad spend.
- The calculator on this page works only from your own numbers; it uses no industry benchmarks.
The method
Start from the visit, not from a budget number.
A budget copied from last year, or from what the store down the road seems to spend, says nothing about whether the ads will pay. Work the other way. A booked visit is the moment an ad lead becomes a person on your lot, and what that visit is worth to your store sets the most you can sensibly pay for it.
Your numbers
Four numbers you already have.
Every number below is in your CRM, your reports or one month of counting. None of it comes from outside your store.
Show rate
How many booked visits arrive.
Close rate
How many visits end in a sold car.
Gross per car
What an average sold car earns the store, before the costs it has to cover.
Lead to appointment rate
How many of your ad leads become booked visits. A low rate usually points to slow or missing replies, not bad ads.
The arithmetic
What is one booked visit worth?
Three steps, run backward from the sale.
- Multiply your show rate by your close rate. That is the share of booked visits that end in a sold car.
- Multiply that share by your gross per car. That is what one booked visit is worth. Divide one by the share instead, and you get how many booked visits it takes to sell one car.
- Treat the answer as a ceiling, not a target. The same gross also pays your people, your lot and everything else, so the most you should pay for a visit is less than the visit is worth.
The test
Can a month of ads pay for itself?
Count the monthly cost as everything you pay: the budget that goes to the platforms, plus any fee on top of it. Divide that cost by your gross per car. The answer is how many cars a month the ads must help you sell just to cover their own cost. Multiply it by the booked visits it takes to sell one car, and you have the booked visits a month the ads must bring.
Now compare it with what your ads brought last month. That one comparison is the whole test.
The calculator
Run your own numbers: the calculator.
Type six numbers and it shows five lines, each worked out from the rounded line above it.
- 1. Booked visits it takes to sell one car
- 2. What one booked visit is worth (your ceiling)
- 3. Cars a month the ad cost must help sell, to cover itself
- 4. Booked visits a month that means
- 5. Booked visits your ads bring a month
Nothing is filled in for you, and no industry figure is used: the results come only from the numbers you type, worked out in your browser. The ceiling in line 2 is a limit, not a target, because the same gross also pays your people, your lot and everything else.
Spend it well
Fund what brings visits. Cut what does not.
Take each campaign's cost per booked visit and hold it up against your ceiling.
Match results to sales
Platform reports show clicks and leads. Your CRM shows which leads booked and which bought. Match each sale back to the lead's source, and import booked visits and sales into Google so its bidding learns which clicks become buyers.
Judge by appointments and sales, not clicks
Cost per lead is easy to push down with low-intent leads. Cost per appointment and cost per sale tell you whether the ads and the follow-up work together.
Give a new campaign a few weeks
Give a new campaign a few weeks of data before you judge it.
Keep budgets apart
New, used, service and your own brand name behave differently. Give each its own campaign and budget so one cannot starve the others.
Fund what comes in at or under the ceiling. Trim what is over it after a fair test. Stop what brings no visits. For the campaigns themselves, see the campaigns that sell cars, and what to measure, and the setup checklist for Google vehicle ads.
Before you raise it
Fix the answer before you raise the budget.
Every lead your ads buy still has to be answered. Ads that bring in leads nobody answers in time waste the budget, no matter how good the ad is. Harvard Business Review research found that companies that tried to contact a lead within an hour were nearly 7 times as likely to qualify it as those that waited even one hour longer.
So before you add spend, time your own store: send a test lead on every channel and write down how long each reply takes. The slowest channel is where your ad budget is leaking. Raising the budget while leads wait only buys more leads that wait. Our guide to lead response time shows how.
Our AI assistant answers every message within a minute, day or night, and a new form or listing-site lead gets its first text within minutes between 8 AM and 8 PM.
Every month
Set it, then check it every month.
A budget is a decision you review. Each month, look at what ran, what it cost, which leads it brought in and what changes next. Run the calculator again whenever your show rate, close rate or gross per car moves. And let the lot lead: ads built from the cars you actually have are the ones worth funding, so a budget for a kind of car you are out of has nothing to show.
Whose money it is
However you set the number, the money stays yours.
Your ad budget should go straight to the platforms, from ad accounts your dealership owns. Ask any agency what you pay for the work, whether any of it is a share of your ad spend, and whose name is on the accounts. The 7 questions to ask any ad agency cover it.
With Dealer Ad Solutions, your dealership owns its ad accounts and its ad budget, the budget is paid straight to the platforms, and we never raise it without your written consent. Our top ad packages take no share of ad spend. The others add a small fee on what your ads actually spent, and your quote shows the exact fee. See how our ad team runs your ads.
Quick answers about ad budgets.
How much should a car dealership spend on advertising?
There is no single right figure for every store. A car dealership should spend no more on ads than a booked visit is worth to it: multiply your show rate by your close rate and your gross per car to see what a visit is worth, treat that as a ceiling, and fund the campaigns that bring visits at or under it. Our ad budget guide has a calculator that does the arithmetic with your own numbers.
How do you work out what a booked visit is worth?
Multiply your show rate by your close rate to get the share of booked visits that end in a sold car, then multiply that share by your gross per car. The result is a ceiling, not a target, because the same gross also pays your people, your lot and your other costs.
Is cost per lead a good way to judge dealership ads?
Cost per lead is useful, but it is easy to push down with low-intent leads, so never rank ads on it alone. Judge them by cost per appointment and cost per sale, matching each sale back to the lead's source in your CRM.
Should a dealership raise its ad budget if leads are not booking?
Check the replies first. Ads that bring in leads nobody answers in time waste the budget, no matter how good the ad is, so time how fast every channel answers before you add spend. A higher budget only buys more leads that wait.
Do you take a percentage of my ad spend?
On our top ad packages, no. On the others, there is a small management fee: a share of what your ads actually spent that month, billed after the month, never on budget that didn't spend. Your ad budget itself is paid straight to the platforms from your own ad accounts, and your quote shows the exact fee.
Who owns the ad accounts and the ad budget?
With Dealer Ad Solutions, your dealership owns its ad accounts and its ad budget. We manage the accounts for you, your budget is paid straight to the platforms from your own accounts, and we never raise it without your written consent. Once the fees are paid, the final ads we make for you are yours too.
Stop paying for leads nobody answers.
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Who we work with
- 5 new stores set up a month
- Setup groups start on the 1st and the 15th
- 50 or more leads a month
- The owner or GM on the demo
What does your dealership sell?
Your quote is built around your store.
5 new stores a month · groups start the 1st and 15th · 50+ leads a month