Index
✅ What SEO and SEM are
✅ How they work to attract customers
The key differences between the two channels
Great opportunity in local SEO.
When to prioritise SEO and when SEM
How to measure the performance of each channel
The minimum budget for SEM to deliver real results
The most common mistakes when combining SEO and SEM
Dealcar and your dealership's visibility on Google
Frequently asked questions
✅ What SEO and SEM are
Combining SEO and SEM is a smart strategy to maximise visibility and attract more customers to your dealership. Here we present some ways to integrate both tactics:
While you work on organically ranking highly competitive keywords, you can use SEM to appear immediately for those searches.
Read also how to improve a dealership's local SEO.
On-page SEO is the optimisation of the website itself: making sure vehicle detail pages have correctly structured data so Google indexes them, that loading speed is good and that the website copy includes the keywords local buyers search for. Content SEO is the creation of articles and guides that rank for informational searches by buyers in the research phase.
SEO takes between 3 and 12 months to deliver visible results, depending on local competition and the starting state of the website. Once you rank, organic traffic has no additional cost per click.
✅ How they work to attract customers
SEM (Search Engine Marketing) is paid advertising on search engines. The most common format for dealerships is Google Ads, which lets you show ads in Google search results when someone searches for specific keywords. The dealership pays for each click it receives (CPC model, cost per click).
SEM generates traffic from the first day it's switched on. As soon as the campaign is live and the budget is allocated, ads start appearing and clicks start coming in. But when the campaign stops or the budget runs out, traffic stops immediately. There's no residual effect.
For a dealership, there are three relevant SEM formats. Text search campaigns that appear when someone searches for keywords like "used cars Valencia" or "buy second-hand car Madrid". Google VLA (Vehicle Listing Ads), which are ads showing the vehicle's details (photo, make, model, price) in a visual format in searches for specific cars. And remarketing campaigns that reach users again who have already visited the dealership's website.
The key differences between the two channels
The most important difference is payback time. SEM works from day one. SEO works from the third or fourth month, with more solid results after six months to a year. For a dealership that needs leads now, SEM is the channel that can deliver quick results.
The second difference is the structural cost. SEM has a cost per click that continues as long as the campaign is active. SEO has an upfront investment cost (time or money to create content and optimise the website) that generates no cost per visit once you rank. In the long run, SEO tends to be more efficient in cost per lead, but it requires patience and upfront investment.
The third difference is control. With SEM, the dealership controls exactly when the ad appears, for which searches, in which geographic area and how much it spends. With SEO, Google decides when and where the website appears, within the range allowed by the optimisation work done.
The fourth difference is the search intent each channel captures. Local SEO captures high-intent but generic searches ("used car dealership Bilbao"). SEM can capture very specific intent ("second-hand Toyota Yaris 2021 Barcelona") by paying for those exact keywords.
Great opportunity in local SEO.
Google VLA (Vehicle Listing Ads) is the Google ad format designed specifically for dealerships: it shows the vehicle listings from your stock directly in search results with photo, make, model and price. When someone searches for "used Toyota RAV4 Madrid", VLAs show the available cars from dealerships that have that model in stock ahead of the organic results.
Check the complete guide to Google VLA for dealerships.
The difference between VLA and text search campaigns is that it intercepts the search at the moment the buyer has already identified the vehicle they want. The intent is high quality: it's not someone exploring options, it's someone looking for that specific model. That translates into higher conversion rates and costs per lead that are usually lower than generic text campaigns.
VLA requires your stock feed to be connected to Google Merchant Center. Dealcar manages that connection automatically: when a new car comes into stock, it appears in VLA; when it's sold, it disappears. There's no manual ad management.
For a dealership starting out with SEM, VLA is the first channel worth switching on, ahead of generic text campaigns.
When to prioritise SEO and when SEM
The decision depends on the dealership's starting point and time horizon.
If the dealership doesn't have its own website or the website doesn't have its stock synced, neither SEO nor SEM will perform well: the traffic that arrives doesn't convert because the website experience doesn't work. Sorting out the technical foundation is the step before any investment in visibility.
Read also what a dealership website needs to have to generate leads.
If the foundation is in place and the dealership hasn't done any visibility work yet, the recommended sequence is: an optimised Google Business Profile first (local SEO, no cost, results in weeks), then Google VLA (high-intent SEM, results from day one), then content SEO and website optimisation (long-term investment, results in months).
If the dealership already has an established organic presence and wants to speed up results in the short term, SEM complements SEO by covering the searches where organic ranking isn't yet strong enough.
If the budget is very limited (less than 150 euros a month), prioritise local SEO and reviews over SEM. With small budgets, SEM doesn't generate enough volume to optimise.
How to measure the performance of each channel
The SEO indicators are the number of organic sessions on the website, the average position for target keywords in Google Search Console and the number of clicks and impressions in local searches.
The SEM indicators are cost per click, number of clicks, the conversion rate from clicks to leads (forms submitted or clicks on the WhatsApp button) and cost per lead. For Google VLA, also the number of stock impressions and the click-through rate per vehicle.
The indicator that links the two channels and matters most to the business is cost per sale: how much marketing investment each car sold through each channel has cost. That figure requires cross-referencing lead source data in the CRM with closed sales data.
Check how to use web analytics in a dealership to make decisions.
The minimum budget for SEM to deliver real results
SEM with very low budgets generates so little traffic that there isn't enough data to optimise the campaigns. The minimum volume for a Google Ads or VLA campaign to have actionable data in a local market is between 150 and 300 euros a month. Below that, the number of clicks and leads is too small to draw statistically valid conclusions.
For a dealership in a highly competitive area (big cities), the cost per click on automotive keywords can be higher, and so can the budget needed to be competitive. In less competitive areas, 150 euros a month can generate between 10 and 30 leads a month.
VLA usually has a lower cost per click than text search campaigns because there's less competition in that format and ad relevance is higher (the user sees exactly the car they're looking for).
The most common mistakes when combining SEO and SEM
Switching on SEM without having the website optimised to convert. If the page the paid traffic lands on doesn't have up-to-date stock, the contact form doesn't work or loading speed is poor, the SEM budget gets spent without generating leads.
Not measuring lead source. If you don't know whether leads come from Google Ads, VLA, portals or organic search, there's no way to know what's working and what isn't. Installing Google Analytics and setting up conversion tracking is the step before any investment in SEM.
See also how to measure and reduce the cost per lead in a dealership.
Stopping SEO when SEM starts delivering results. They're complementary channels, not alternatives. SEO builds long-term visibility that reduces dependence on the SEM budget. Stopping SEO as soon as SEM works leaves you with no foundation when the budget drops or the cost per click rises.
Creating generic text campaigns when VLA is available. For a dealership with used vehicle stock, VLA captures the highest-quality search intent, and usually at a lower cost than generic text campaigns.
Dealcar and your dealership's visibility on Google
Dealcar automatically manages the stock feed for Google VLA, which means the stock published in Dealcar automatically appears in Google search results when someone searches for that model in the dealership's area. There's no need to manage ads manually or update the feed.
Dealcar's professional website is technically optimised for SEO: fast loading, vehicle pages with structured data and stock synced in real time, which are the three technical factors that most affect the organic ranking of dealership websites.
You can see how Dealcar's VLA works at dealcar.io/dealcar-boost or the professional website at dealcar.io/web-concesionarios.
Frequently asked questions
2. Strengthen branding
SEM ads can help reinforce brand awareness while SEO builds authority and relevance.
3. Test keywords with SEM
Before investing in SEO for certain keywords, use SEM to test their effectiveness and conversion.
4. Optimise landing pages
Make sure the pages your ads direct people to are also optimised for SEO, thereby improving their quality and rankings.
