VOL. XCIV, NO. 247

★ WIDE MOAT STOCKS COMPARISON ★

NO ADVICE

Thursday, January 1, 2026

Stock Comparison

AutoZone, Inc. vs PACCAR Inc

Compare moat strength, market structure, and segment coverage to understand how each company defends its edge.

AutoZone, Inc.

AZO · New York Stock Exchange

Market cap (USD)$56.3B
SectorConsumer
CountryUS
Data as of2025-12-31
Moat score
59/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into AutoZone, Inc.'s moat claims, evidence, and risks.

View AZO analysis

PACCAR Inc

PCAR · NASDAQ

Market cap (USD)$57.5B
SectorIndustrials
CountryUS
Data as of2026-01-01
Moat score
75/ 100

Weighted average of segment moat scores, combining moat strength, durability, confidence, market structure, pricing power, and market share.

Full stock profile

Dive deeper into PACCAR Inc's moat claims, evidence, and risks.

View PCAR analysis

Comparison highlights

  • Moat score gap: PACCAR Inc leads (75 / 100 vs 59 / 100 for AutoZone, Inc.).
  • Segment focus: AutoZone, Inc. has 2 segments (88% in U.S. Auto Parts Retail & Commercial Distribution); PACCAR Inc has 3 segments (73.8% in Truck).
  • Primary market structure: Competitive vs Oligopoly. Pricing power: Moderate vs Moderate.
  • Moat breadth: AutoZone, Inc. has 6 moat types across 3 domains; PACCAR Inc has 8 across 3.

Primary market context

AutoZone, Inc.

U.S. Auto Parts Retail & Commercial Distribution

Market

U.S. automotive aftermarket replacement parts & accessories retail and commercial distribution

Geography

United States

Customer

DIY consumers; professional repair shops (DIFM)

Role

Retailer and distributor

Revenue share

88%

PACCAR Inc

Truck

Market

Commercial truck OEM (heavy- and medium-duty)

Geography

Global (U.S./Canada and Europe primary)

Customer

Fleets, owner-operators, dealers

Role

OEM / manufacturer

Revenue share

73.8%

Side-by-side metrics

AutoZone, Inc.
PACCAR Inc
Ticker / Exchange
AZO - New York Stock Exchange
PCAR - NASDAQ
Market cap (USD)
$56.3B
$57.5B
Sector
Consumer
Industrials
HQ country
US
US
Primary segment
U.S. Auto Parts Retail & Commercial Distribution
Truck
Market structure
Competitive
Oligopoly
Market share
n/a
30%-31% (reported)
HHI estimate
n/a
n/a
Pricing power
Moderate
Moderate
Moat score
59 / 100
75 / 100
Moat domains
Supply, Demand, Financial
Demand, Supply, Financial
Last update
2025-12-31
2026-01-01

Moat coverage

Shared moat types

Distribution ControlPhysical Network DensityService Field NetworkBrand Trust

AutoZone, Inc. strengths

Operational ExcellenceNegative Working Capital

PACCAR Inc strengths

Capex Knowhow ScaleInstalled Base ConsumablesCost Of Capital AdvantageCaptive finance integration

Segment mix

AutoZone, Inc. segments

Full profile >

U.S. Auto Parts Retail & Commercial Distribution

Competitive

88%

International Auto Parts Retail & Commercial Distribution (Mexico & Brazil)

Competitive

12%

PACCAR Inc segments

Full profile >

Truck

Oligopoly

73.8%

Parts

Competitive

19.8%

Financial Services

Competitive

6.2%

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Curation & 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.