v3.26.1
Interim Financial Statements (Details)
6 Months Ended
Jun. 30, 2026
franchises
brand
store
Product Information [Line Items]  
Owned and operated new vehicle franchises | franchises 327
Number of brands | brand 30
Percentage of new vehicle sales from core brands (percent) 88.00%
Dealerships  
Product Information [Line Items]  
Number of stores 246
Collision Centers  
Product Information [Line Items]  
Number of stores 52
AutoNation USA Stores  
Product Information [Line Items]  
Number of stores 24
Automotive Auction Operations  
Product Information [Line Items]  
Number of stores 4
Parts Distribution Centers  
Product Information [Line Items]  
Number of stores 3