How USA Auto Ship Cut Cost per Conversion by 17.68% with Performance Max

About USA Auto Ship

USA Auto Ship is a vehicle transportation company that helps customers ship cars, trucks, SUVs, and other vehicles safely across the United States through its network of qualified auto transport professionals. The company focuses on reliable, affordable vehicle shipping with nationwide coverage. Its insured shipping services are designed to provide a simple, secure, and hassle-free experience for individuals, dealerships, and businesses across the United States.

Industry: Automotive Services (Vehicle Transportation / Auto Shipping Services)
Goal: Generate high-quality vehicle shipping leads and quote requests at the lowest possible cost per conversion.

Objectives

• Reduce Cost per Conversion (CPA)
• Increase qualified vehicle shipping leads
• Improve overall conversion rate
• Maximise quote requests and phone call conversions

Challenges (before Jan 2026)

• High competition in the auto transport market
• Rising CPCs across key keywords
• Increasing Cost per Conversion (CPA)
• Limited growth from the existing campaign setup
• Maintaining lead quality at scale
• Fluctuating search demand and competition levels

Baseline performance (October – December 2025)

Previous three months' performance before optimization:

• Cost: $3.08K
• Conversions: 197
• Cost per conversion (CPA): $15.65
• Conversion rate: 12.09%

What we changed after December 2025

Our optimization strategy:

1. Optimized Performance Max structure — refined asset groups by audience intent and improved campaign organization for lead generation.
2. Created a new lead-focused conversion setup — improved conversion tracking accuracy and optimized lead form events.
3. Improved creative assets — updated headlines, descriptions, and images, and strengthened CTAs to drive more inquiries.
4. Optimized conversion strategy — prioritised Lead Forms and Phone Calls, and focused bidding on high-value conversions.

Optimized structure for higher lead volume

New structure (post-December 2025):

• Refined Performance Max asset groups by audience intent
• Added stronger audience signals for vehicle shipping prospects
• Optimized creative assets (headlines, descriptions, images & CTAs)
• Prioritised Lead Form and Call conversions
• Excluded low-quality traffic through negative keywords
• Reallocated budget toward the highest-converting PMax campaign

Impact:

• More efficient budget allocation across campaigns
• Higher-quality leads and conversion-focused traffic
• Improved conversion volume and lead quality
• Lower CPA through smarter automated bidding
• Increased Lead Form and Phone Call conversions

Results achieved (January – March 2026)

• Cost: $3.04K
• Conversions: 236
• Cost per conversion (CPA): $12.88
• Conversion rate: 19.31%

Direct performance comparison

Insights:

• Increased conversions even with a lower CPA
• Reduced cost per conversion despite a high-CPC category
• Better keyword segmentation & bidding improved efficiency

Key learnings & conclusion

Key learnings:

• Strong audience signals improve lead quality
• Conversion-focused bidding increases efficiency
• Better creatives drive more conversions
• An optimized PMax structure reduces wasted spend

Conclusion: Optimized Performance Max campaigns increased lead volume, improved lead quality, and reduced acquisition costs for USA Auto Ship — more conversions (236), lower spend ($3.04K), and a much lower CPA ($12.88), with higher conversion efficiency despite a high-CPC market. These improvements built a stable lead flow and significantly strengthened ROI within just three months.