What message does the radio ad convey about the competition among car dealerships?

The message conveyed in the radio ad suggests that there may be opportunities for savings that some customers might overlook. This implies that not every customer is fully informed about the potential price differences or promotions available at various dealerships. By highlighting that some customers could miss out, the ad emphasizes the importance of being proactive in comparing offers and encourages listeners to be alert to deals that might benefit them. This suggests a competitive environment where awareness and action can lead to significant financial advantages for customers, rather than implying that all dealers have the same prices or levels of service.