CASE STUDY

Peugeot Boosts Conversions and Cuts CPA with OneIngage & AI Max

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THE CHALLENGE

Scaling Automotive Lead Generation in a Competitive Search Market: In Türkiye's highly competitive automotive market, Peugeot needed to improve digital lead generation for the 2008 and 408 SUV models. Its existing Search campaign framework had to capture more demand and generate more conversion actions without sacrificing efficiency.
Increasing Conversion Volume While Reducing CPA: The core performance challenge was to grow conversions and lower cost per acquisition at the same time. A volume-only strategy risked making each result more expensive, while an efficiency-only approach could restrict the scale required for Peugeot's key SUV campaigns.
Finding High-Value Auction Opportunities Beyond Existing Setups: Traditional manual and standard automated bidding approaches could overlook valuable Search auctions. Peugeot needed more advanced AI-powered automation that could identify incremental opportunities within the existing campaign framework.
Proving Incremental Impact Before an Always-On Rollout: Rolling AI Max out across all Search conversion campaigns without controlled evidence would make its incremental contribution difficult to isolate. Peugeot needed a rigorous experiment that compared AI Max with the established baseline across both vehicle models.

Designing a Controlled Google Ads Experiment: OneIngage configured a rigorous A/B test using Google Ads Experiments. From October 14 to November 13, 2025, traffic for the Peugeot 2008 and 408 campaigns was split between the AI Max treatment and the established baseline.
Activating AI Max for Search Campaigns: The treatment arm used AI Max for Search campaigns to identify high-value auction opportunities that manual or standard automated setups might overlook. This allowed Peugeot to test whether Google AI could unlock additional demand while improving cost efficiency.
Optimizing Daily for Test Quality and Statistical Significance: OneIngage managed the technical setup and daily optimization of the experiment across both model campaigns. Continuous oversight kept the control and treatment comparison reliable and supported statistically meaningful evaluation.
Turning Validated Learnings into Always-On Automation: After the test demonstrated a clear performance uplift, OneIngage helped translate the findings into a scalable operating model. Peugeot activated AI Max as an always-on setup across all Search conversion campaigns, extending the winning approach beyond the experiment.