Costa Vida (0.79) and Famous Footwear (0.79) form two distinct poles at the top of Quick Quack Car Wash's neighbor set — a fast-casual dining brand and a footwear retailer — with no other car wash or detailing service appearing anywhere in the top 10. Similarity here measures how closely two entities' audiences resemble each other in composition, not how related the entities are.
The shape is two-peak: those two neighbors pull slightly ahead of a cluster that otherwise spans casual dining, grocery, and sporting goods. Cafe Rio (0.76) and WinCo Foods (0.75) extend the dining and grocery thread, while Mo' Bettahs (0.74) and Bass Pro Shops (0.73) round out the top six. By subcategory, the top 10 breaks down as: fast casual dining (Costa Vida, Mo' Bettahs), casual dining (Cafe Rio, Olive Garden, Buffalo Wild Wings, Texas Roadhouse), general grocery (WinCo Foods), sporting goods and outdoor gear (Bass Pro Shops), footwear (Famous Footwear), and hair salons (Great Clips). The one fellow Services entity in the top 10 is Great Clips (0.70) — a hair salon, not another car wash. The dominant pattern is restaurants and eateries, which account for six of the ten neighbors, alongside value-oriented retail.
This distribution points to an audience whose shape is defined less by automotive context and more by everyday, family-oriented consumer services and dining.