AutoNationSTU:RWI +0.62%78 Days Inventory is 58.14 as of Mar. 2026, which is 2% below its 10-year median of 59.24. GuruFocus rates STU:RWI with a GF Score™ of 78/100 and a GF Value™ of €183.00 (Modestly Undervalued). The stock has 4 warning signs investors should review. Among 1,294 Vehicles & Parts companies, AutoNation ranks better than 72.8% on this metric.
Days Inventory is also known as Days Sales of Inventory (DSI). AutoNation's Average Total Inventories for the
three
months ended in Mar. 2026 was €2,944 Mil. AutoNation's Cost of Goods Sold for the
three
months ended in Mar. 2026 was €4,620 Mil.
Hence, AutoNation's Days Inventory for the
three
months ended in Mar. 2026 was 58.14.
The historical rank and industry rank for AutoNation's Days Inventory or its related term are showing as below:
STU:RWI'
s Days Inventory Range Over the Past 10 Years
Min: 32.74 Med: 59.24 Max: 71.27
Current: 55.08
During the past 13 years, AutoNation's highest Days Inventory was 71.27. The lowest was 32.74. And the median was 59.24.
STU:RWI's Days Inventory is ranked better than 72.8% of 1294
companies
in the Vehicles & Parts industry
Industry Median: 80.43
vs STU:RWI: 55.08
AutoNation's Days Inventory
increased
from Mar. 2025 (55.88) to Mar. 2026 (58.14).
It might indicate that AutoNation's sales slowed down.
Inventory Turnover measures how fast the company turns over its inventory within a year.
AutoNation's Inventory Turnover for the
three
months ended in Mar. 2026 was 1.57.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
AutoNation's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.52.
AutoNation (STU:RWI) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
AutoNation's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
AutoNation's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
AutoNation Days Inventory Related Terms
AutoNation Days Inventory Historical Data
* Premium members only.
The historical data trend for AutoNation's Days Inventory can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
STU:RWI vs LAD, RUSHA, KMX: Days Inventory Comparison
For the Auto & Truck Dealerships subindustry, AutoNation's Days Inventory, along with its competitors' market caps and Days Inventory data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
AutoNation Days Inventory vs Vehicles & Parts Industry
For the Vehicles & Parts industry and Consumer Cyclical sector, AutoNation's Days Inventory distribution charts can be found below:
* The bar in red indicates where AutoNation's Days Inventory falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
AutoNation (STU:RWI) has a Days Inventory of 58.14 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on AutoNation and its competitors. This is near median its historical median of 59.24. Over the past decade, AutoNation's Days Inventory has ranged from 32.74 to 71.27. According to the industry distribution chart, AutoNation ranks #352 out of 1294 companies in the Vehicles & Parts industry, placing it in the top 27.2%.
Is AutoNation's Days Inventory too high?
AutoNation's current Days Inventory of 58.14 is near median its 10-year median of 59.24. Over the past 10 years, this metric has ranged from a low of 32.74 to a high of 71.27. The Vehicles & Parts industry median Days Inventory is 80.43. AutoNation's value of 58.14 is 27.7% below this industry median. Based on the distribution chart, AutoNation ranks #352 out of 1294 companies in the Vehicles & Parts industry, which is above the industry midpoint. Overall, AutoNation has a GF Score™ of 78/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does AutoNation's Days Inventory compare to LAD and RUSHA?
According to the Vehicles & Parts industry distribution chart, AutoNation ranks #352 out of 1294 companies for Days Inventory. This puts AutoNation in the upper half of its industry. The industry median Days Inventory is 80.43. AutoNation's value of 58.14 is 27.7% below this benchmark. Historically, AutoNation's own Days Inventory has ranged from 32.74 to 71.27 over the past decade. While the company's 10-year median is 59.24 vs. the industry median of 80.43, AutoNation has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Days Inventory for a Vehicles & Parts company?
The median Days Inventory among Vehicles & Parts companies is 80.43, based on 1,294 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. AutoNation's current Days Inventory of 58.14 is 27.7% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on AutoNation and its competitors. For the Vehicles & Parts industry, the median Days Inventory is 80.43 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. AutoNation's current Days Inventory is 58.14, which is near median its own 10-year median of 59.24. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is AutoNation stock overvalued right now?
Based on GuruFocus' analysis, AutoNation (STU:RWI) is currently considered Modestly Undervalued. The stock's GF Value™ is €183.00, compared to a current price of €162.70 — trading 11.1% below its estimated fair value. The current Days Inventory is 58.14, which is near median its 10-year median of 59.24 and 27.7% below the Vehicles & Parts industry median of 80.43. AutoNation's overall GF Score™ is 78/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For AutoNation (STU:RWI), the current Days Inventory is 58.14 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is AutoNation (STU:RWI) Overvalued in 2026?
Based on GuruFocus' analysis, AutoNation stock appears to be undervalued.
The current stock price of €162.70 is trading 11.1% below its estimated GF Value™ of €183.00.
GuruFocus considers AutoNation to be Modestly Undervalued.
Key valuation signals for STU:RWI:
Days Inventory: 58.14 (near median its 10-year median of 59.24)
GF Value™: €183.00 vs. price of €162.70 (11.1% below fair value)
Industry Position: 27.7% below the Vehicles & Parts median (#352 of 1294)
No single metric tells the full story. See the STU:RWI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
AutoNation is the second-largest automotive dealer in the United States, with 2025 revenue of $27.6 billion and over 240 dealerships, plus 52 collision centers. The firm also has 25 AutoNation USA used-vehicle stores, a captive lender, four auction sites, and three parts distributors across 20 states primarily in Sunbelt metropolitan areas. New-vehicle sales account for nearly half of revenue; the company also sells used vehicles, parts, and repair services as well as auto financing. The company (formerly Republic Industries) divested its waste management unit (Republic Services) in 1999 and its car rental businesses (ANC Rental) in 2000. Wayne Huizenga founded the company in the 1990s to bring the rollup acquisition strategy to auto retailing, which proved to be a smart move.
78GF Score
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