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Side-by-side financial comparison of CarMax (KMX) and Western Digital (WDC). Click either name above to swap in a different company.

CarMax is the larger business by last-quarter revenue ($5.8B vs $3.3B, roughly 1.7× Western Digital). Western Digital runs the higher net margin — 96.0% vs 1.1%, a 95.0% gap on every dollar of revenue. On growth, Western Digital posted the faster year-over-year revenue change (45.5% vs -6.9%). CarMax produced more free cash flow last quarter ($1.1B vs $978.0M). Over the past eight quarters, CarMax's revenue compounded faster (1.5% CAGR vs -9.7%).

CarMax, Inc. is a used vehicle retailer based in the United States. It operates two business segments: CarMax Sales Operations and CarMax Auto Finance. The company began as a side business of Circuit City Corporation, Inc., opening its first location in September 1993 in Richmond, Virginia. As of January 2025, CarMax operates 253 locations.

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).

KMX vs WDC — Head-to-Head

Bigger by revenue
KMX
KMX
1.7× larger
KMX
$5.8B
$3.3B
WDC
Growing faster (revenue YoY)
WDC
WDC
+52.4% gap
WDC
45.5%
-6.9%
KMX
Higher net margin
WDC
WDC
95.0% more per $
WDC
96.0%
1.1%
KMX
More free cash flow
KMX
KMX
$135.3M more FCF
KMX
$1.1B
$978.0M
WDC
Faster 2-yr revenue CAGR
KMX
KMX
Annualised
KMX
1.5%
-9.7%
WDC

Income Statement — Q3 FY2026 vs Q1 FY2027

Metric
KMX
KMX
WDC
WDC
Revenue
$5.8B
$3.3B
Net Profit
$62.2M
$3.2B
Gross Margin
10.2%
50.2%
Operating Margin
35.7%
Net Margin
1.1%
96.0%
Revenue YoY
-6.9%
45.5%
Net Profit YoY
-50.4%
516.3%
EPS (diluted)
$0.43
$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
KMX
KMX
WDC
WDC
Q3 26
$3.3B
Q2 26
$3.0B
Q1 26
$3.0B
Q4 25
$5.8B
$2.8B
Q3 25
$6.6B
Q2 25
$7.5B
$-1.2B
Q1 25
$6.0B
$2.3B
Q4 24
$6.2B
$4.3B
Net Profit
KMX
KMX
WDC
WDC
Q3 26
$3.2B
Q2 26
$1.8B
Q1 26
$1.8B
Q4 25
$62.2M
$1.2B
Q3 25
$95.4M
Q2 25
$210.4M
$282.0M
Q1 25
$89.9M
$520.0M
Q4 24
$125.4M
$594.0M
Gross Margin
KMX
KMX
WDC
WDC
Q3 26
50.2%
Q2 26
45.7%
Q1 26
45.7%
Q4 25
10.2%
43.5%
Q3 25
10.9%
Q2 25
11.8%
Q1 25
11.1%
39.8%
Q4 24
10.9%
35.4%
Operating Margin
KMX
KMX
WDC
WDC
Q3 26
35.7%
Q2 26
30.1%
Q1 26
30.1%
Q4 25
28.1%
Q3 25
Q2 25
Q1 25
2.0%
33.1%
Q4 24
2.7%
19.9%
Net Margin
KMX
KMX
WDC
WDC
Q3 26
96.0%
Q2 26
61.1%
Q1 26
61.1%
Q4 25
1.1%
41.9%
Q3 25
1.4%
Q2 25
2.8%
-24.4%
Q1 25
1.5%
22.7%
Q4 24
2.0%
13.9%
EPS (diluted)
KMX
KMX
WDC
WDC
Q3 26
$8.20
Q2 26
$4.73
Q1 26
$4.73
Q4 25
$0.43
$3.07
Q3 25
$0.64
Q2 25
$1.38
$0.72
Q1 25
$0.58
$1.42
Q4 24
$0.81
$1.63

Balance Sheet & Financial Strength

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

Metric
KMX
KMX
WDC
WDC
Cash + ST InvestmentsLiquidity on hand
$204.9M
$2.0B
Total DebtLower is stronger
$16.6B
$1.6B
Stockholders' EquityBook value
$6.1B
$9.7B
Total Assets
$25.6B
$15.0B
Debt / EquityLower = less leverage
2.74×
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KMX
KMX
WDC
WDC
Q3 26
$2.0B
Q2 26
$2.0B
Q1 26
$2.0B
Q4 25
$204.9M
$2.0B
Q3 25
$540.4M
Q2 25
$262.8M
$2.1B
Q1 25
$247.0M
$3.5B
Q4 24
$271.9M
$2.3B
Total Debt
KMX
KMX
WDC
WDC
Q3 26
$1.6B
Q2 26
$4.7B
Q1 26
$4.7B
Q4 25
$16.6B
$4.7B
Q3 25
$17.8B
Q2 25
$18.0B
$4.7B
Q1 25
$18.1B
$7.3B
Q4 24
$18.1B
$7.4B
Stockholders' Equity
KMX
KMX
WDC
WDC
Q3 26
$9.7B
Q2 26
$7.1B
Q1 26
$7.1B
Q4 25
$6.1B
$5.9B
Q3 25
$6.2B
Q2 25
$6.3B
$5.3B
Q1 25
$6.2B
$5.2B
Q4 24
$6.2B
$12.1B
Total Assets
KMX
KMX
WDC
WDC
Q3 26
$15.0B
Q2 26
$15.6B
Q1 26
$15.6B
Q4 25
$25.6B
$14.4B
Q3 25
$27.1B
Q2 25
$27.4B
$14.0B
Q1 25
$27.4B
$16.4B
Q4 24
$27.3B
$25.5B
Debt / Equity
KMX
KMX
WDC
WDC
Q3 26
0.16×
Q2 26
0.65×
Q1 26
0.65×
Q4 25
2.74×
0.80×
Q3 25
2.87×
Q2 25
2.86×
0.89×
Q1 25
2.91×
1.42×
Q4 24
2.92×
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
KMX
KMX
WDC
WDC
Operating Cash FlowLast quarter
$1.3B
$1.1B
Free Cash FlowOCF − Capex
$1.1B
$978.0M
FCF MarginFCF / Revenue
19.2%
29.3%
Capex IntensityCapex / Revenue
2.4%
Cash ConversionOCF / Net Profit
20.14×
0.35×
TTM Free Cash FlowTrailing 4 quarters
$1.9B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KMX
KMX
WDC
WDC
Q3 26
$1.1B
Q2 26
$745.0M
Q1 26
Q4 25
$1.3B
$672.0M
Q3 25
$785.5M
Q2 25
$299.5M
$746.0M
Q1 25
$146.4M
$508.0M
Q4 24
$-23.4M
$403.0M
Free Cash Flow
KMX
KMX
WDC
WDC
Q3 26
$978.0M
Q2 26
$653.0M
Q1 26
Q4 25
$1.1B
$599.0M
Q3 25
$654.0M
Q2 25
$162.8M
$675.0M
Q1 25
$18.8M
$379.0M
Q4 24
$-150.6M
$287.0M
FCF Margin
KMX
KMX
WDC
WDC
Q3 26
29.3%
Q2 26
21.6%
Q1 26
Q4 25
19.2%
21.3%
Q3 25
9.9%
Q2 25
2.2%
-58.5%
Q1 25
0.3%
16.5%
Q4 24
-2.4%
6.7%
Capex Intensity
KMX
KMX
WDC
WDC
Q3 26
Q2 26
Q1 26
Q4 25
2.4%
2.6%
Q3 25
2.0%
Q2 25
1.8%
-6.2%
Q1 25
2.1%
5.6%
Q4 24
2.0%
2.7%
Cash Conversion
KMX
KMX
WDC
WDC
Q3 26
0.35×
Q2 26
0.40×
Q1 26
Q4 25
20.14×
0.57×
Q3 25
8.24×
Q2 25
1.42×
2.65×
Q1 25
1.63×
0.98×
Q4 24
-0.19×
0.68×

Financial Flow Comparison

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

Revenue Breakdown by Segment

KMX
KMX

Used Vehicles$4.5B78%
Wholesale Vehicles$1.1B19%
Other$150.6M3%
Extendedprotectionplan Domain$96.6M2%
Advertising Subscription Revenues Domain$35.1M1%
Service Domain$18.5M0%
Thirdpartyfinancefees Domain$3.0M0%

WDC
WDC

Segment breakdown not available.

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