Sonic Automotive, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Segment Information - Summary of Reportable Operating Segment (Details)

Segment Information - Summary of Reportable Operating Segment (Details)	3 Months Ended		12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2024 USD ($) Segment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Operating income (loss)			$ 461,500,000	$ 423,600,000	$ 314,000,000.0
Interest expense, other, net			(118,000,000.0)	(114,600,000)	(89,900,000)
Other income (expense), net			(500,000)	100,000	200,000
Income before taxes			256,100,000	241,900,000	190,000,000.0
Segment Schedule Footnotes
Asset impairment charges			3,900,000	79,300,000	320,400,000
Storm-related physical damage and legal costs			8,300,000	1,900,000
Total floor plan interest expense			86,900,000	67,200,000	34,300,000
Depreciation, Depletion and Amortization, Nonproduction			150,400,000	142,300,000	127,500,000
Total assets	$ 5,895,700,000	$ 5,364,600,000	5,895,700,000	5,364,600,000
Cash and cash equivalents	44,000,000.0	28,900,000	44,000,000.0	28,900,000	229,200,000	$ 299,400,000
Goodwill	358,500,000	253,800,000	358,500,000	253,800,000	231,000,000.0
Intangible Assets, Net (Excluding Goodwill)	430,300,000	417,400,000	$ 430,300,000	417,400,000
Number of operating segments \| Segment			3
Segment Income			$ 260,000,000.0	321,200,000	510,400,000
EchoPark Segment Income			3,500,000	(132,500,000)	(133,900,000)
Powersports Segment Segment Income			(1,100,000)	5,700,000	2,700,000
Segment Retail Units Sold
Franchised Dealerships Used Vehicle Revenue			2,919,800,000	3,050,300,000	3,391,500,000
Franchised Dealerships Wholesale Revenue			188,900,000	204,500,000	314,000,000.0
Franchised Dealerships Fixed Ops Revenue			1,802,900,000	1,714,200,000	1,588,000,000
Franchised Dealerships F&I Revenue			506,800,000	498,600,000	510,100,000
Franchised New Vehicles Cost of Sales			(6,048,600,000)	(5,696,300,000)	(4,926,300,000)
Franchised Fleet New Vehicle Cost of Sales			(92,300,000)	(88,200,000)	(94,500,000)
Franchised Used Vehicles Cost of Sales			(2,769,600,000)	(2,887,400,000)	(3,217,100,000)
EchoPark New Vehicle Revenue			0	1,000,000.0	9,200,000
EchoPark Used Vehicle Revenue			1,838,000,000	2,143,800,000	2,116,800,000
EchoPark Wholesale Revenue			95,800,000	111,700,000	170,600,000
EchoPark F&I Revenue			194,000,000.0	177,900,000	166,400,000
Powersports Used Vehicle Revenue			22,300,000	19,500,000	7,100,000
Powersports Wholesale Vehicle Revenue			2,300,000	2,600,000	300,000
Powersports Fixed Ops Revenue			43,600,000	45,300,000	11,700,000
Powersports F&I Revenue			7,100,000	7,200,000	2,600,000
Powersports Retail New Vehicles Cost of Sales			(70,500,000)	(72,000,000.0)	(25,400,000)
Powersports Used vehicles Cost of Sales			(17,000,000.0)	(14,100,000)	(5,100,000)
Powersports Wholesale vehicles Cost of Sales			(2,600,000)	(2,800,000)	(300,000)
Powersports Parts, service and collision repair Cost of Sales			(23,500,000)	(24,000,000.0)	(5,900,000)
Powersports Segment gross profit			43,700,000	50,300,000	16,800,000
Powersports SG&A Expense - Compensation			(25,700,000)	(27,700,000)	(8,900,000)
Powersports SG&A Expense - Advertising			(1,700,000)	(1,800,000)	(600,000)
Powersports SG&A Expense - Rent			900,000	500,000	0
Total revenues			14,224,300,000	14,372,400,000	14,001,100,000
EchoPark Segment Assets	574,500,000	667,900,000	574,500,000	667,900,000
PowerSport Segment Assets [Domain]	232,700,000	212,000,000.0	232,700,000	212,000,000.0
Powersport Interest Expense, Other, Net			(2,600,000)	(1,700,000)	(1,000,000.0)
Powersports Other income (expense), net			0	0	200,000
Powersports Floorplan Exp			(2,100,000)	(600,000)	0
Powersports Depreciation and Amortization			(4,200,000)	(3,400,000)	(1,000,000.0)
Powersports Capital Expenditures			3,900,000	6,900,000	200,000
EchoPark New Vehicle Cost of Sales				(900,000)	(8,100,000)
EchoPark Used Vehicle Cost of Sales			(1,822,800,000)	(2,160,900,000)	(2,112,400,000)
EchoPark Wholesale Cost of Sales			(97,100,000)	(110,800,000)	(167,400,000)
EchoPark Segment Gross Profit			207,900,000	161,800,000	175,100,000
EchoPark SG&A Expense - Compensation			(95,800,000)	(132,000,000.0)	(148,000,000.0)
EchoPark SG&A Expense - Advertising			(27,700,000)	(49,900,000)	(58,000,000.0)
EchoPark SG&A Expense - Rent			1,700,000	(6,300,000)	(8,500,000)
EchoPark SG&A Expense - Other			(43,900,000)	(58,800,000)	(55,300,000)
Franchised Wholesale Vehicles Cost of Sales			(193,500,000)	(207,800,000)	(320,300,000)
Franchised Parts, service and collision repair Cost of Sales			(894,000,000.0)	(861,500,000)	(801,300,000)
Franchised Segment Gross Profit			1,941,200,000	2,033,600,000	2,125,100,000
Franchised SG&A expense - Compensation			(892,400,000)	(856,600,000)	(858,000,000.0)
Franchised SG&A Expense - Advertising			(55,100,000)	(40,500,000)	(36,900,000)
Franchised SG&A Expense - Rent			(39,200,000)	(40,300,000)	(42,400,000)
Franchised SG&A Expense - Other			(388,700,000)	(377,200,000)	(335,700,000)
Franchised Dealerships Depreciation and Amortization			(124,400,000)	(112,300,000)	(101,800,000)
Franchised Dealerships Floorplan Exp			(70,600,000)	(49,200,000)	(23,600,000)
Franchised Segment Interest Expense, Other, Net			(112,700,000)	(109,700,000)	(85,000,000.0)
Franchised Other income (expense), net			(500,000)	200,000	(100,000)
Franchised Dealerships Segment Income			257,600,000	448,000,000.0	641,600,000
Powersports SG&A Expense - Other			(9,400,000)	(9,900,000)	(2,800,000)
Echo Park [Member]
Segment Schedule Footnotes
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal			0.0
Asset impairment charges		$ 16,700,000
Property, Plant and Equipment \| Echo Park [Member]
Segment Schedule Footnotes
Asset impairment charges	$ 10,200,000
Fleet new vehicles
Segment Retail Units Sold
Total revenues			95,300,000	92,200,000	99,400,000
Total new vehicles
Segment Retail Units Sold
Total revenues			6,602,800,000	6,396,800,000	5,722,000,000
Retail new vehicles
Segment Retail Units Sold
Powersports New Vehicle Revenue			82,000,000.0	88,600,000	31,800,000
Total revenues			6,507,500,000	6,304,600,000	5,622,600,000
Echo Park [Member]
Segment Schedule Footnotes
Asset impairment charges				78,300,000
Nonrecurring Compensation Expense			2,900,000	5,100,000
Segment Retail Units Sold
Business Combination, Acquisition Related Costs				300,000
Gain (Loss) on Disposition of Property Plant Equipment			(2,100,000)
Echo Park [Member] \| Property, Plant and Equipment
Segment Schedule Footnotes
Asset impairment charges			2,700,000
Echo Park [Member] \| CDK Outage Impact
Segment Schedule Footnotes
Nonrecurring Compensation Expense			400,000
Franchised Dealership Impairment [Member]
Segment Schedule Footnotes
Asset impairment charges					115,500,000
Franchised Dealership Impairment [Member] \| Property, Plant and Equipment
Segment Schedule Footnotes
Asset impairment charges			1,200,000
FranchisedDealershipMember [Member]
Segment Schedule Footnotes
Nonrecurring Compensation Expense			2,200,000
FranchisedDealershipMember [Member] \| Fleet new vehicles
Segment Retail Units Sold
Total revenues			95,300,000	92,200,000	99,400,000
FranchisedDealershipMember [Member] \| Retail new vehicles
Segment Retail Units Sold
Total revenues			6,425,500,000	6,215,000,000	5,581,600,000
FranchisedDealershipMember [Member] \| CDK Outage Impact
Segment Schedule Footnotes
Nonrecurring Compensation Expense			13,000,000.0
Franchised Dealerships [Member]
Segment Schedule Footnotes
Asset impairment charges				$ 1,000,000.0
PreOwnedStoreMember [Member]
Segment Schedule Footnotes
Asset impairment charges					$ 204,900,000
Powersports Dealerships
Segment Schedule Footnotes
Nonrecurring Compensation Expense			$ 500,000