Trends · data through July 2026

Auto Parts Stores in Illinois

Iceflower tracks 423 stores from 19 auto parts stores chains in Illinois. O'Reilly Auto Parts grew fastest over the last year, ahead of Advance Auto Parts and AutoZone.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains
19
Tracked stores
423
Consumer panel
130M+

Growth ranking

Fastest-growing tracked auto parts stores chains

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. O'Reilly Auto Parts and Advance Auto Parts sit in the high-growth half.

# Chain YoY growth
RankChainRank movementYoY growth
1 O O'Reilly Auto Parts logo O'Reilly Auto Parts - +2.6%
2 A Advance Auto Parts logo Advance Auto Parts - -0.4%
3 A AutoZone logo AutoZone - -1.3%
4 L LKQ Pick Your Part logo LKQ Pick Your Part - -8.0%
5 C Carquest Auto Parts logo Carquest Auto Parts - -46.1%
  • AutoZone
  • O'Reilly Auto Parts
  • Advance Auto Parts
  • NAPA Auto Parts
  • McGrath City Honda
  • LKQ Pick Your Part
  • Maverick Auto Parts
  • Other tracked chains

Store footprint

Store map

423 tracked store locations in Illinois. The 7 largest tracked chains are highlighted.

  • AutoZone (191)
  • O'Reilly Auto Parts (140)
  • Advance Auto Parts (66)
  • NAPA Auto Parts (6)
  • McGrath City Honda (1)
  • LKQ Pick Your Part (3)
  • Maverick Auto Parts (2)
  • Other tracked chains

Top tracked chains by store count

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