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Side-by-side financial comparison of GROUP 1 AUTOMOTIVE INC (GPI) and Western Digital (WDC). 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 $3.3B, roughly 1.6× Western Digital). Western Digital runs the higher net margin — 96.0% vs 2.4%, a 93.6% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (45.5% vs -1.8%). Over the past eight quarters, GROUP 1 AUTOMOTIVE INC's revenue compounded faster (7.3% CAGR vs -9.7%).

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.

Western Digital Corporation, doing business as WD, is an American data storage company headquartered in San Jose, California. Established in 1970, the company is one of the world's largest manufacturers of hard disk drives (HDDs).

GPI vs WDC — Head-to-Head

Bigger by revenue
GPI
GPI
1.6× larger
GPI
$5.4B
$3.3B
WDC
Growing faster (revenue YoY)
WDC
WDC
+47.3% gap
WDC
45.5%
-1.8%
GPI
Higher net margin
WDC
WDC
93.6% more per $
WDC
96.0%
2.4%
GPI
Faster 2-yr revenue CAGR
GPI
GPI
Annualised
GPI
7.3%
-9.7%
WDC

Income Statement — Q1 FY2026 vs Q1 FY2027

Metric
GPI
GPI
WDC
WDC
Revenue
$5.4B
$3.3B
Net Profit
$130.2M
$3.2B
Gross Margin
16.2%
50.2%
Operating Margin
4.5%
35.7%
Net Margin
2.4%
96.0%
Revenue YoY
-1.8%
45.5%
Net Profit YoY
516.3%
EPS (diluted)
$10.82
$8.20

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
WDC
WDC
Q3 26
$3.3B
Q2 26
$3.0B
Q1 26
$5.4B
$3.0B
Q4 25
$5.6B
$2.8B
Q3 25
$5.8B
Q2 25
$5.7B
$-1.2B
Q1 25
$5.5B
$2.3B
Q4 24
$5.5B
$4.3B
Net Profit
GPI
GPI
WDC
WDC
Q3 26
$3.2B
Q2 26
$1.8B
Q1 26
$130.2M
$1.8B
Q4 25
$43.6M
$1.2B
Q3 25
$13.0M
Q2 25
$140.5M
$282.0M
Q1 25
$128.1M
$520.0M
Q4 24
$94.7M
$594.0M
Gross Margin
GPI
GPI
WDC
WDC
Q3 26
50.2%
Q2 26
45.7%
Q1 26
16.2%
45.7%
Q4 25
15.7%
43.5%
Q3 25
15.9%
Q2 25
16.4%
Q1 25
16.2%
39.8%
Q4 24
15.9%
35.4%
Operating Margin
GPI
GPI
WDC
WDC
Q3 26
35.7%
Q2 26
30.1%
Q1 26
4.5%
30.1%
Q4 25
2.5%
28.1%
Q3 25
1.9%
Q2 25
4.4%
Q1 25
4.2%
33.1%
Q4 24
3.5%
19.9%
Net Margin
GPI
GPI
WDC
WDC
Q3 26
96.0%
Q2 26
61.1%
Q1 26
2.4%
61.1%
Q4 25
0.8%
41.9%
Q3 25
0.2%
Q2 25
2.5%
-24.4%
Q1 25
2.3%
22.7%
Q4 24
1.7%
13.9%
EPS (diluted)
GPI
GPI
WDC
WDC
Q3 26
$8.20
Q2 26
$4.73
Q1 26
$10.82
$4.73
Q4 25
$3.75
$3.07
Q3 25
$1.00
Q2 25
$10.82
$0.72
Q1 25
$9.67
$1.42
Q4 24
$7.15
$1.63

Balance Sheet & Financial Strength

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

Metric
GPI
GPI
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$41.7M
$2.0B
Total DebtLower is stronger
$1.6B
Stockholders' EquityBook value
$2.8B
$9.7B
Total Assets
$15.0B
Debt / EquityLower = less leverage
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GPI
GPI
WDC
WDC
Q3 26
$2.0B
Q2 26
$2.0B
Q1 26
$41.7M
$2.0B
Q4 25
$32.5M
$2.0B
Q3 25
$30.8M
Q2 25
$52.7M
$2.1B
Q1 25
$70.5M
$3.5B
Q4 24
$34.4M
$2.3B
Total Debt
GPI
GPI
WDC
WDC
Q3 26
$1.6B
Q2 26
$4.7B
Q1 26
$4.7B
Q4 25
$3.4B
$4.7B
Q3 25
$3.3B
Q2 25
$3.1B
$4.7B
Q1 25
$2.7B
$7.3B
Q4 24
$2.7B
$7.4B
Stockholders' Equity
GPI
GPI
WDC
WDC
Q3 26
$9.7B
Q2 26
$7.1B
Q1 26
$2.8B
$7.1B
Q4 25
$2.8B
$5.9B
Q3 25
$3.1B
Q2 25
$3.1B
$5.3B
Q1 25
$3.0B
$5.2B
Q4 24
$3.0B
$12.1B
Total Assets
GPI
GPI
WDC
WDC
Q3 26
$15.0B
Q2 26
$15.6B
Q1 26
$15.6B
Q4 25
$10.3B
$14.4B
Q3 25
$10.4B
Q2 25
$10.2B
$14.0B
Q1 25
$9.9B
$16.4B
Q4 24
$9.8B
$25.5B
Debt / Equity
GPI
GPI
WDC
WDC
Q3 26
0.16×
Q2 26
0.65×
Q1 26
0.65×
Q4 25
1.23×
0.80×
Q3 25
1.06×
Q2 25
0.97×
0.89×
Q1 25
0.89×
1.42×
Q4 24
0.92×
0.61×

Cash Flow & Capital Efficiency

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

Metric
GPI
GPI
WDC
WDC
Operating Cash FlowLast quarter
$1.1B
Free Cash FlowOCF − Capex
$978.0M
FCF MarginFCF / Revenue
29.3%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
0.35×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GPI
GPI
WDC
WDC
Q3 26
$1.1B
Q2 26
$745.0M
Q1 26
Q4 25
$129.2M
$672.0M
Q3 25
$155.0M
Q2 25
$251.6M
$746.0M
Q1 25
$158.7M
$508.0M
Q4 24
$212.6M
$403.0M
Free Cash Flow
GPI
GPI
WDC
WDC
Q3 26
$978.0M
Q2 26
$653.0M
Q1 26
Q4 25
$51.4M
$599.0M
Q3 25
$86.7M
Q2 25
$179.9M
$675.0M
Q1 25
$106.5M
$379.0M
Q4 24
$120.1M
$287.0M
FCF Margin
GPI
GPI
WDC
WDC
Q3 26
29.3%
Q2 26
21.6%
Q1 26
Q4 25
0.9%
21.3%
Q3 25
1.5%
Q2 25
3.2%
-58.5%
Q1 25
1.9%
16.5%
Q4 24
2.2%
6.7%
Capex Intensity
GPI
GPI
WDC
WDC
Q3 26
Q2 26
Q1 26
Q4 25
1.4%
2.6%
Q3 25
1.2%
Q2 25
1.3%
-6.2%
Q1 25
0.9%
5.6%
Q4 24
1.7%
2.7%
Cash Conversion
GPI
GPI
WDC
WDC
Q3 26
0.35×
Q2 26
0.40×
Q1 26
Q4 25
2.96×
0.57×
Q3 25
11.92×
Q2 25
1.79×
2.65×
Q1 25
1.24×
0.98×
Q4 24
2.24×
0.68×

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%

WDC
WDC

Segment breakdown not available.

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