For those who want to know exactly what others are paying, the Consumer Reports Build & Buy program provides data-driven insights powered by TrueCar .

The "best" auto buying program depends on your priority—whether you want the absolute lowest price or the most hands-off experience. Based on recent reviews and user feedback for 2026, here are the top-rated programs categorized by their primary benefit. 1. Most Consistent Savings: Costco Auto Program

2. Best for Market Transparency: Consumer Reports Build & Buy

: Members often get 15% off parts and service (up to $500) at approved dealers.

: Selection can be limited to specific local dealers, and popular "high-demand" models may not always be eligible for discounts.

: You select a vehicle online, and Costco directs you to a specific salesperson at a participating dealer who shows you a pre-set price sheet.

: Reviews from Reddit and Yelp highlight its transparency and major time savings.