VOL. XCIV, NO. 247
★ WIDE MOAT STOCKS COMPARISON ★
NO ADVICE
Thursday, January 1, 2026
Stock Comparison
O'Reilly Automotive, Inc. vs PACCAR Inc
Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.
O'Reilly Automotive, Inc.
ORLY · Nasdaq Global Select Market
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Full stock profile
Dive deeper into O'Reilly Automotive, Inc.'s moat claims, evidence, and risks.
View ORLY analysisPACCAR Inc
PCAR · NASDAQ
Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.
Comparison highlights
- Moat score gap: PACCAR Inc leads (75 / 100 vs 63 / 100 for O'Reilly Automotive, Inc.).
- Segment focus: O'Reilly Automotive, Inc. has 2 segments (52% in DIY Aftermarket Retail); PACCAR Inc has 3 segments (73.8% in Truck).
- Moat breadth: O'Reilly Automotive, Inc. has 7 moat types across 2 domains; PACCAR Inc has 8 across 3.
Primary market context
O'Reilly Automotive, Inc.
DIY Aftermarket Retail
Specialty automotive aftermarket parts retail (DIY channel)
United States, Puerto Rico, Mexico, Canada
Consumers (do-it-yourself vehicle owners)
Specialty retailer
52%
PACCAR Inc
Truck
Commercial truck OEM (heavy- and medium-duty)
Global (U.S./Canada and Europe primary)
Fleets, owner-operators, dealers
OEM / manufacturer
73.8%
Side-by-side metrics
Moat coverage
Shared moat types
O'Reilly Automotive, Inc. strengths
PACCAR Inc strengths
Segment mix
O'Reilly Automotive, Inc. segments
Full profile >DIY Aftermarket Retail
Oligopoly
Professional (B2B) Aftermarket Distribution
Competitive
PACCAR Inc segments
Full profile >Truck
Oligopoly
Parts
Competitive
Financial Services
Competitive
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View the moat stocks listCuration & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.