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Side-by-side financial comparison of GROUP 1 AUTOMOTIVE INC (GPI) and Southern Company (SO). Click either name above to swap in a different company.

Southern Company is the larger business by last-quarter revenue ($8.4B vs $5.4B, roughly 1.6× GROUP 1 AUTOMOTIVE INC). Southern Company runs the higher net margin — 15.9% vs 2.4%, a 13.5% gap on every dollar of revenue. On growth, Southern Company posted the faster year-over-year revenue change (8.0% vs -1.8%). Over the past eight quarters, Southern Company's revenue compounded faster (14.0% CAGR vs 7.3%).

Group 1 Automotive, Inc. is an international Fortune 300 automotive retailer with automotive dealerships and collision centers in the United States and the United Kingdom. Group 1 sells new and used cars and light trucks, arranges financial services, provides maintenance and repair services, and sells vehicle parts. As of 2024, the company employs over 20,000 people globally.

Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territor...

GPI vs SO — Head-to-Head

Bigger by revenue
SO
SO
1.6× larger
SO
$8.4B
$5.4B
GPI
Growing faster (revenue YoY)
SO
SO
+9.8% gap
SO
8.0%
-1.8%
GPI
Higher net margin
SO
SO
13.5% more per $
SO
15.9%
2.4%
GPI
Faster 2-yr revenue CAGR
SO
SO
Annualised
SO
14.0%
7.3%
GPI

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
GPI
GPI
SO
SO
Revenue
$5.4B
$8.4B
Net Profit
$130.2M
$1.3B
Gross Margin
16.2%
Operating Margin
4.5%
24.0%
Net Margin
2.4%
15.9%
Revenue YoY
-1.8%
8.0%
Net Profit YoY
5.4%
EPS (diluted)
$10.82

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
GPI
GPI
SO
SO
Q1 26
$5.4B
$8.4B
Q4 25
$5.6B
$7.0B
Q3 25
$5.8B
$7.8B
Q2 25
$5.7B
$7.0B
Q1 25
$5.5B
$7.8B
Q4 24
$5.5B
$6.3B
Q3 24
$5.2B
$7.3B
Q2 24
$4.7B
$6.5B
Net Profit
GPI
GPI
SO
SO
Q1 26
$130.2M
$1.3B
Q4 25
$43.6M
$341.0M
Q3 25
$13.0M
$1.7B
Q2 25
$140.5M
$880.0M
Q1 25
$128.1M
$1.3B
Q4 24
$94.7M
$466.0M
Q3 24
$117.3M
$1.5B
Q2 24
$138.2M
$1.2B
Gross Margin
GPI
GPI
SO
SO
Q1 26
16.2%
Q4 25
15.7%
Q3 25
15.9%
Q2 25
16.4%
Q1 25
16.2%
Q4 24
15.9%
Q3 24
16.3%
Q2 24
16.3%
Operating Margin
GPI
GPI
SO
SO
Q1 26
4.5%
24.0%
Q4 25
2.5%
13.1%
Q3 25
1.9%
33.2%
Q2 25
4.4%
25.3%
Q1 25
4.2%
25.9%
Q4 24
3.5%
16.7%
Q3 24
4.4%
32.6%
Q2 24
5.1%
30.0%
Net Margin
GPI
GPI
SO
SO
Q1 26
2.4%
15.9%
Q4 25
0.8%
4.9%
Q3 25
0.2%
21.9%
Q2 25
2.5%
12.6%
Q1 25
2.3%
16.3%
Q4 24
1.7%
7.3%
Q3 24
2.2%
21.1%
Q2 24
2.9%
18.6%
EPS (diluted)
GPI
GPI
SO
SO
Q1 26
$10.82
Q4 25
$3.75
$0.38
Q3 25
$1.00
$1.54
Q2 25
$10.82
$0.79
Q1 25
$9.67
$1.21
Q4 24
$7.15
$0.48
Q3 24
$8.69
$1.39
Q2 24
$10.17
$1.09

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
GPI
GPI
SO
SO
Cash + ST InvestmentsLiquidity on hand
$41.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$2.8B
Total Assets
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GPI
GPI
SO
SO
Q1 26
$41.7M
Q4 25
$32.5M
$1.6B
Q3 25
$30.8M
$3.3B
Q2 25
$52.7M
$1.3B
Q1 25
$70.5M
$2.3B
Q4 24
$34.4M
$1.1B
Q3 24
$58.7M
$1.0B
Q2 24
$64.4M
$1.2B
Total Debt
GPI
GPI
SO
SO
Q1 26
Q4 25
$3.4B
$65.6B
Q3 25
$3.3B
$64.6B
Q2 25
$3.1B
$63.0B
Q1 25
$2.7B
$62.9B
Q4 24
$2.7B
$58.8B
Q3 24
$2.7B
$61.3B
Q2 24
$2.3B
$59.9B
Stockholders' Equity
GPI
GPI
SO
SO
Q1 26
$2.8B
Q4 25
$2.8B
$36.0B
Q3 25
$3.1B
$38.3B
Q2 25
$3.1B
$37.3B
Q1 25
$3.0B
$37.2B
Q4 24
$3.0B
$33.2B
Q3 24
$3.0B
$36.9B
Q2 24
$2.9B
$36.1B
Total Assets
GPI
GPI
SO
SO
Q1 26
Q4 25
$10.3B
$155.7B
Q3 25
$10.4B
$153.2B
Q2 25
$10.2B
$148.9B
Q1 25
$9.9B
$148.1B
Q4 24
$9.8B
$145.2B
Q3 24
$10.0B
$144.0B
Q2 24
$8.9B
$141.9B
Debt / Equity
GPI
GPI
SO
SO
Q1 26
Q4 25
1.23×
1.82×
Q3 25
1.06×
1.69×
Q2 25
0.97×
1.69×
Q1 25
0.89×
1.69×
Q4 24
0.92×
1.77×
Q3 24
0.91×
1.66×
Q2 24
0.80×
1.66×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

GPI
GPI

New vehicle retail sales$2.6B47%
Used vehicle retail sales$1.8B33%
Parts and service sales$704.4M13%
Finance, insurance and other, net$215.9M4%
Used vehicle wholesale sales$149.5M3%

SO
SO

Segment breakdown not available.

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