Advance Auto Parts' Margin Gains Offset by Sharp DIY Sales Reversal
The auto-parts retailer posted a 49% jump in adjusted earnings per share, but comparable store sales swung from a 3.5% gain to a 0.5% decline in a single quarter.
Advance Auto Parts Inc. (AAP) delivered a quarter of stark contrasts, with adjusted earnings rising sharply on margin expansion even as its top line stalled and comparable store sales reversed course.
The auto-parts retailer reported adjusted diluted earnings of $1.03 a share for the second quarter of 2026, up 49% from $0.69 a year earlier. Roughly $0.31 of that gain came from tariff refunds under the International Emergency Economic Powers Act. Net sales were essentially flat at $2.0 billion.
The earnings improvement was built on continued margin progress. Adjusted gross profit margin expanded 240 basis points year-over-year to 46.2%, aided in part by $26 million in tariff refunds but also by product-margin gains from merchandising initiatives. Adjusted operating income margin reached 5.6%, up from 3.0% a year ago.
Yet the margin trajectory decelerated from the prior quarter. The 250-basis-point year-over-year operating margin expansion in Q2 compared with a 410-basis-point improvement in Q1, and adjusted selling, general and administrative expenses improved only modestly to 40.6% of sales from 40.7%, a far cry from the 190-basis-point compression achieved in the first quarter. The company's restructuring costs fell to $10 million from $29 million a year ago as its 2024 restructuring plan wound down, but the tailwind from that program is diminishing.
The more pressing concern sits on the revenue side. Comparable store sales fell 0.5% in the quarter, a sharp reversal from the 3.5% gain in Q1 that had marked the strongest performance in five years. Weakness in the do-it-yourself channel reflected tighter household budgets weighing on demand, particularly in the final four weeks of the quarter. The professional channel, by contrast, delivered low-single-digit comparable sales growth, with the Main Street Pro banner outpacing broader Pro trends.
The swing underscores how quickly the sales recovery that began in late 2025 has stalled. Comparable store sales moved from 1.1% growth in the fourth quarter of 2025 to 3.5% in the first quarter of 2026 before slipping into negative territory. Net sales have been flat year-over-year in both Q1 and Q2, signaling persistent top-line stagnation.
On the balance sheet, the company continued to chip away at leverage. Net debt-to-EBITDA improved to 2.1 times from 2.4 times at the end of the first quarter, helped by roughly $30 million in debt repurchases during the quarter. Free cash flow turned positive on a year-to-date basis for the first time in two years, reaching $120 million for the 28 weeks ended July 18, compared with negative $201 million in the prior-year period.
Management revised its full-year adjusted EPS guidance to a range of $2.60 to $3.30, up from $2.40 to $3.10, reflecting higher pre-tax interest income rather than an improved sales outlook. The company also adjusted its store-opening plans, reducing the number of new locations expected in 2026 to 30 to 35 from a prior 40 to 45, while raising market-hub openings to 15 to 20 from 10 to 15 — a shift in capital deployment that favors hub conversions over greenfield expansion.
The recalibration suggests management sees more near-term value in strengthening its distribution network than in adding square footage as the DIY consumer pulls back. Whether the professional channel can carry enough weight to offset that softness will determine if the margin gains Advance Auto Parts has built over the past year can translate into sustained earnings growth.