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Pay vs Performance Disclosure
number in Millions

12 Months Ended

Dec. 31, 2024

USD ($)

Dec. 31, 2023

USD ($)

Dec. 31, 2022

USD ($)

Dec. 31, 2021

USD ($)

Dec. 31, 2020

USD ($)

Pay vs Performance Disclosure

Pay vs Performance Disclosure, Table

																																							Value of Initial Fixed $100 Investment Based On:
Year			Summary Compensation Table Total for Kenningham(1)						Compensation Actually Paid to Kenningham(1) (2) (3) (4)						Summary Compensation Table Total for Hesterberg(1)						Compensation Actually Paid to Hesterberg(1) (2) (3) (4)						Average Summary Compensation Table Total for Non-CEO NEOs(5)						Average Compensation Actually Paid to Non-CEO NEOs(2) (3) (4) (5)						Total Shareholder Return						Peer Group Total Shareholder Return(6)						Net Income (in millions)						Adjusted Net Income from Continuing Operations (in millions)(7)
2024						$	8,670,563					$	16,559,548					N/A						N/A						$	2,178,127					$	3,602,728					$	436.47					$	285.86					$	498.1					$	530.6
2023						$	7,274,300					$	13,994,596					N/A						N/A						$	2,053,869					$	3,550,760					$	313.79					$	268.90					$	601.6					$	623.3
2022						N/A						N/A						$	8,774,685					$	8,501,251					$	2,881,512					$	2,877,697					$	184.39					$	189.75					$	751.5					$	728.7
2021						N/A						N/A						$	8,577,257					$	19,080,981					$	2,684,236					$	4,992,687					$	197.96					$	205.74					$	552.1					$	633.7
2020						N/A						N/A						$	7,298,579					$	12,911,445					$	2,657,309					$	3,543,096					$	131.93					$	146.68					$	286.5					$	333.0

Named Executive Officers, Footnote

Earl Hesterberg served as CEO until 12/31/2022. Effective 1/1/2023, Daryl Kenningham was named CEO.These numbers differ from those reported in 2023 as subsequent to that filing, an administrative error in interpretation and calculation with respect to 2021, 2022, and 2023 equity awards was discovered. The numbers in this filing represent a more accurate calculation of CAP for these individuals.

(5)Non-CEO NEOs reflect the average Summary Compensation Table total compensation and average Compensation Actually Paid for the following executives by year:

2024: Daniel J. McHenry, Peter C. DeLongchamps, Gillian A. Hobson, Michael D. Jones

2023: Daniel J. McHenry, Peter C. DeLongchamps, Gillian A. Hobson, Michael D. Jones

2022: Daryl A. Kenningham, Daniel J. McHenry, Peter C. DeLongchamps, Darryl Burman

2021: Daryl A. Kenningham, Daniel J. McHenry, Frank Grese Jr., Peter C. DeLongchamps

2020: Daryl A. Kenningham, Daniel J. McHenry, John Rickel, Frank Grese Jr., Peter C. DeLongchamps

Peer Group Issuers, Footnote

The peer group is comprised of Lithia Motors, AutoNation, Sonic Automotive, Penske Automotive Group and Asbury Automotive Group

Adjustment To PEO Compensation, Footnote

Deductions from, and additions to, total compensation in the 2024 Summary Compensation Table to calculate Compensation Actually Paid consist of:

			2024
			Daryl A. Kenningham						Average Non-CEO NEOs
Total Compensation from Summary Compensation			$	8,670,563								$	2,178,127
Adjustments for Equity Awards
Adjustment for grant date values in the Summary Compensation Table			$	(4,999,757)								$	(887,443)
Year-end fair value of unvested awards granted in the current year			8,453,376									1,469,797
Year-over-year difference of year-end fair values for unvested awards granted in prior years			3,298,296									724,212
Fair values at vest date for awards granted and vested in current year			—									—
Difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years			1,070,701									108,413
Forfeitures during current year equal to prior year-end fair value			—									—
Dividends or dividend equivalents not otherwise included in the total compensation			66,369									9,622
Total Adjustments for Equity Awards			$	7,888,985								$	1,424,601
Compensation Actually Paid (as calculated)			$	16,559,548								$	3,602,728

Non-PEO NEO Average Total Compensation Amount

$ 2,178,127

$ 2,053,869

$ 2,881,512

$ 2,684,236

$ 2,657,309

Non-PEO NEO Average Compensation Actually Paid Amount

$ 3,602,728

3,550,760

2,877,697

4,992,687

3,543,096

Adjustment to Non-PEO NEO Compensation Footnote

Deductions from, and additions to, total compensation in the 2024 Summary Compensation Table to calculate Compensation Actually Paid consist of:

			2024
			Daryl A. Kenningham						Average Non-CEO NEOs
Total Compensation from Summary Compensation			$	8,670,563								$	2,178,127
Adjustments for Equity Awards
Adjustment for grant date values in the Summary Compensation Table			$	(4,999,757)								$	(887,443)
Year-end fair value of unvested awards granted in the current year			8,453,376									1,469,797
Year-over-year difference of year-end fair values for unvested awards granted in prior years			3,298,296									724,212
Fair values at vest date for awards granted and vested in current year			—									—
Difference in fair values between prior year-end fair values and vest date fair values for awards granted in prior years			1,070,701									108,413
Forfeitures during current year equal to prior year-end fair value			—									—
Dividends or dividend equivalents not otherwise included in the total compensation			66,369									9,622
Total Adjustments for Equity Awards			$	7,888,985								$	1,424,601
Compensation Actually Paid (as calculated)			$	16,559,548								$	3,602,728

Compensation Actually Paid vs. Total Shareholder Return

CAP and Cumulative TSR / Cumulative TSR of the Peer Group

CEO AND AVG. NON-CEO CAP VS GPI AND PEER TSR

CEO CAP

Average Non-CEO NEO CAP

Group 1 Automotive TSR

Peer Group TSR

Compensation Actually Paid vs. Net Income

CAP and Company Net Income

CEO AND AVG. NON-CEO CAP VS NET INCOME

  CEO CAP   Average Non-CEO NEO CAP   GPI Net Income

Compensation Actually Paid vs. Company Selected Measure

CAP and Adjusted Net Income from Continuing Operations

CEO AND AVG. NON-CEO CAP VS ADJUSTED NET INCOME FROM CONTINUING OPERATIONS

  CEO CAP   Average Non-CEO NEO CAP   GPI Adj. Net Income from Continuing Operations

Total Shareholder Return Vs Peer Group

CAP and Cumulative TSR / Cumulative TSR of the Peer Group

CEO AND AVG. NON-CEO CAP VS GPI AND PEER TSR

CEO CAP

Average Non-CEO NEO CAP

Group 1 Automotive TSR

Peer Group TSR

Tabular List, Table

TABULAR LIST OF FINANCIAL PERFORMANCE MEASURES

In our assessment, the most important financial performance measures used to link CAP (as calculated in accordance with the SEC rules), to our NEOs in 2024 to our performance were:

•Adjusted Net Income from Continuing Operations;

•Relative Total Shareholder Return; and

•Return on Invested Capital.

Total Shareholder Return Amount

$ 436.47

313.79

184.39

197.96

131.93

Peer Group Total Shareholder Return Amount

285.86

268.90

189.75

205.74

146.68

Net Income (Loss)

$ 498,100,000

$ 601,600,000

$ 751,500,000

$ 552,100,000

$ 286,500,000

Company Selected Measure Amount

530.6

623.3

728.7

633.7

333.0

Adjustment to Compensation, Amount

$ 1,424,601

Additional 402(v) Disclosure

Equity valuation assumptions for calculating Compensation Actually Paid are not materially different from grant date valuation assumptions.Please see Appendix A on page 79 for the definition and reconciliation of

Measure:: 1

Pay vs Performance Disclosure

Name

Adjusted Net Income from Continuing Operations

Measure:: 2

Pay vs Performance Disclosure

Name

Relative Total Shareholder Return

Measure:: 3

Pay vs Performance Disclosure

Name

Return on Invested Capital

Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

$ (887,443)

Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

1,469,797

Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

724,212

Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

0

Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

108,413

Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

0

Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

9,622

Daryl Kenningham [Member]

Pay vs Performance Disclosure

PEO Total Compensation Amount

8,670,563

$ 7,274,300

PEO Actually Paid Compensation Amount

16,559,548

$ 13,994,596

Adjustment to Compensation, Amount

$ 7,888,985

PEO Name

Daryl Kenningham

Daryl Kenningham

Daryl Kenningham [Member] | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

$ (4,999,757)

Daryl Kenningham [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

8,453,376

Daryl Kenningham [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

3,298,296

Daryl Kenningham [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

0

Daryl Kenningham [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

1,070,701

Daryl Kenningham [Member] | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

0

Daryl Kenningham [Member] | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year

Pay vs Performance Disclosure

Adjustment to Compensation, Amount

$ 66,369

Earl Hesterberg [Member]

Pay vs Performance Disclosure

PEO Total Compensation Amount

$ 8,774,685

$ 8,577,257

$ 7,298,579

PEO Actually Paid Compensation Amount

$ 8,501,251

$ 19,080,981

$ 12,911,445

PEO Name

Earl Hesterberg

Earl Hesterberg

Earl Hesterberg

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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