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

GROUP 1 AUTOMOTIVE INC is the larger business by last-quarter revenue ($5.4B vs $2.7B, roughly 2.0× American Tower). American Tower runs the higher net margin — 110.1% vs 2.4%, a 107.7% gap on every dollar of revenue. Over the past eight quarters, GROUP 1 AUTOMOTIVE INC's revenue compounded faster (7.3% CAGR vs 3.7%).

American Tower Corporation, one of the largest global REITs, is a leading independent owner, operator and developer of multitenant communications real estate with a portfolio of approximately 219,000 communications sites. For more information about American Tower, please visit the Earnings Materials and Investor Presentations sections of our investor relations website at www.americantower.com.

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.

AMT vs GPI — Head-to-Head

Bigger by revenue
GPI
GPI
2.0× larger
GPI
$5.4B
$2.7B
AMT
Higher net margin
AMT
AMT
107.7% more per $
AMT
110.1%
2.4%
GPI
Faster 2-yr revenue CAGR
GPI
GPI
Annualised
GPI
7.3%
3.7%
AMT

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
AMT
AMT
GPI
GPI
Revenue
$2.7B
$5.4B
Net Profit
$3.0B
$130.2M
Gross Margin
16.2%
Operating Margin
0.0%
4.5%
Net Margin
110.1%
2.4%
Revenue YoY
-1.8%
Net Profit YoY
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
AMT
AMT
GPI
GPI
Q1 26
$2.7B
$5.4B
Q4 25
$2.7B
$5.6B
Q3 25
$2.7B
$5.8B
Q2 25
$2.6B
$5.7B
Q1 25
$2.6B
$5.5B
Q4 24
$2.5B
$5.5B
Q3 24
$2.5B
$5.2B
Q2 24
$2.5B
$4.7B
Net Profit
AMT
AMT
GPI
GPI
Q1 26
$3.0B
$130.2M
Q4 25
$836.8M
$43.6M
Q3 25
$912.6M
$13.0M
Q2 25
$380.5M
$140.5M
Q1 25
$498.6M
$128.1M
Q4 24
$1.2B
$94.7M
Q3 24
$-780.4M
$117.3M
Q2 24
$908.4M
$138.2M
Gross Margin
AMT
AMT
GPI
GPI
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
AMT
AMT
GPI
GPI
Q1 26
0.0%
4.5%
Q4 25
42.4%
2.5%
Q3 25
45.4%
1.9%
Q2 25
45.6%
4.4%
Q1 25
48.9%
4.2%
Q4 24
42.4%
3.5%
Q3 24
45.2%
4.4%
Q2 24
45.4%
5.1%
Net Margin
AMT
AMT
GPI
GPI
Q1 26
110.1%
2.4%
Q4 25
30.6%
0.8%
Q3 25
33.6%
0.2%
Q2 25
14.5%
2.5%
Q1 25
19.5%
2.3%
Q4 24
48.3%
1.7%
Q3 24
-30.9%
2.2%
Q2 24
35.7%
2.9%
EPS (diluted)
AMT
AMT
GPI
GPI
Q1 26
$10.82
Q4 25
$1.76
$3.75
Q3 25
$1.82
$1.00
Q2 25
$0.78
$10.82
Q1 25
$1.04
$9.67
Q4 24
$2.63
$7.15
Q3 24
$-1.69
$8.69
Q2 24
$1.92
$10.17

Balance Sheet & Financial Strength

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

Metric
AMT
AMT
GPI
GPI
Cash + ST InvestmentsLiquidity on hand
$1.6B
$41.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$10.2B
$2.8B
Total Assets
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AMT
AMT
GPI
GPI
Q1 26
$1.6B
$41.7M
Q4 25
$1.5B
$32.5M
Q3 25
$2.0B
$30.8M
Q2 25
$2.1B
$52.7M
Q1 25
$2.1B
$70.5M
Q4 24
$2.0B
$34.4M
Q3 24
$2.2B
$58.7M
Q2 24
$2.2B
$64.4M
Total Debt
AMT
AMT
GPI
GPI
Q1 26
Q4 25
$33.8B
$3.4B
Q3 25
$34.9B
$3.3B
Q2 25
$35.2B
$3.1B
Q1 25
$34.0B
$2.7B
Q4 24
$32.8B
$2.7B
Q3 24
$33.4B
$2.7B
Q2 24
$35.6B
$2.3B
Stockholders' Equity
AMT
AMT
GPI
GPI
Q1 26
$10.2B
$2.8B
Q4 25
$3.7B
$2.8B
Q3 25
$4.0B
$3.1B
Q2 25
$3.7B
$3.1B
Q1 25
$3.5B
$3.0B
Q4 24
$3.4B
$3.0B
Q3 24
$3.6B
$3.0B
Q2 24
$3.9B
$2.9B
Total Assets
AMT
AMT
GPI
GPI
Q1 26
Q4 25
$63.2B
$10.3B
Q3 25
$63.9B
$10.4B
Q2 25
$63.8B
$10.2B
Q1 25
$62.1B
$9.9B
Q4 24
$61.1B
$9.8B
Q3 24
$62.8B
$10.0B
Q2 24
$65.8B
$8.9B
Debt / Equity
AMT
AMT
GPI
GPI
Q1 26
Q4 25
9.26×
1.23×
Q3 25
8.82×
1.06×
Q2 25
9.48×
0.97×
Q1 25
9.63×
0.89×
Q4 24
9.70×
0.92×
Q3 24
9.16×
0.91×
Q2 24
9.24×
0.80×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AMT
AMT
GPI
GPI
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$941.0M
FCF MarginFCF / Revenue
34.4%
Capex IntensityCapex / Revenue
16.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$6.7B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AMT
AMT
GPI
GPI
Q1 26
Q4 25
$5.5B
$129.2M
Q3 25
$1.5B
$155.0M
Q2 25
$1.3B
$251.6M
Q1 25
$1.3B
$158.7M
Q4 24
$5.3B
$212.6M
Q3 24
$1.5B
$243.9M
Q2 24
$1.3B
$-124.1M
Free Cash Flow
AMT
AMT
GPI
GPI
Q1 26
$941.0M
Q4 25
$3.8B
$51.4M
Q3 25
$994.5M
$86.7M
Q2 25
$976.9M
$179.9M
Q1 25
$963.9M
$106.5M
Q4 24
$3.7B
$120.1M
Q3 24
$1.0B
$194.2M
Q2 24
$1.0B
$-163.8M
FCF Margin
AMT
AMT
GPI
GPI
Q1 26
34.4%
Q4 25
138.2%
0.9%
Q3 25
36.6%
1.5%
Q2 25
37.2%
3.2%
Q1 25
37.6%
1.9%
Q4 24
145.3%
2.2%
Q3 24
41.4%
3.7%
Q2 24
39.8%
-3.5%
Capex Intensity
AMT
AMT
GPI
GPI
Q1 26
16.8%
Q4 25
61.4%
1.4%
Q3 25
17.1%
1.2%
Q2 25
11.6%
1.3%
Q1 25
12.9%
0.9%
Q4 24
62.4%
1.7%
Q3 24
16.8%
1.0%
Q2 24
12.8%
0.8%
Cash Conversion
AMT
AMT
GPI
GPI
Q1 26
Q4 25
6.53×
2.96×
Q3 25
1.60×
11.92×
Q2 25
3.37×
1.79×
Q1 25
2.60×
1.24×
Q4 24
4.30×
2.24×
Q3 24
2.08×
Q2 24
1.47×
-0.90×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AMT
AMT

Segment breakdown not available.

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%

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