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Side-by-side financial comparison of CarMax (KMX) and Quanta Services (PWR). Click either name above to swap in a different company.

Quanta Services is the larger business by last-quarter revenue ($7.8B vs $5.8B, roughly 1.4× CarMax). Quanta Services runs the higher net margin — 4.0% vs 1.1%, a 3.0% gap on every dollar of revenue. On growth, Quanta Services posted the faster year-over-year revenue change (19.7% vs -6.9%). CarMax produced more free cash flow last quarter ($1.1B vs $934.0M). Over the past eight quarters, Quanta Services's revenue compounded faster (24.8% CAGR vs 1.5%).

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.

Quanta Services is a U.S. corporation that provides infrastructure services for the electric power, pipeline, industrial and communications industries. Its capabilities include planning, design, installation, program management, maintenance and repair of most types of network infrastructure. The company has grown organically since its founding, but it has also acquired over 150 companies in the electrical contracting industry.

KMX vs PWR — Head-to-Head

Bigger by revenue
PWR
PWR
1.4× larger
PWR
$7.8B
$5.8B
KMX
Growing faster (revenue YoY)
PWR
PWR
+26.6% gap
PWR
19.7%
-6.9%
KMX
Higher net margin
PWR
PWR
3.0% more per $
PWR
4.0%
1.1%
KMX
More free cash flow
KMX
KMX
$179.3M more FCF
KMX
$1.1B
$934.0M
PWR
Faster 2-yr revenue CAGR
PWR
PWR
Annualised
PWR
24.8%
1.5%
KMX

Income Statement — Q3 FY2026 vs Q4 FY2025

Metric
KMX
KMX
PWR
PWR
Revenue
$5.8B
$7.8B
Net Profit
$62.2M
$316.6M
Gross Margin
10.2%
15.5%
Operating Margin
6.2%
Net Margin
1.1%
4.0%
Revenue YoY
-6.9%
19.7%
Net Profit YoY
-50.4%
2.0%
EPS (diluted)
$0.43
$2.08

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
PWR
PWR
Q4 25
$5.8B
$7.8B
Q3 25
$6.6B
$7.6B
Q2 25
$7.5B
$6.8B
Q1 25
$6.0B
$6.2B
Q4 24
$6.2B
$6.6B
Q3 24
$7.0B
$6.5B
Q2 24
$7.1B
$5.6B
Q1 24
$5.6B
$5.0B
Net Profit
KMX
KMX
PWR
PWR
Q4 25
$62.2M
$316.6M
Q3 25
$95.4M
$339.4M
Q2 25
$210.4M
$229.3M
Q1 25
$89.9M
$144.3M
Q4 24
$125.4M
$310.3M
Q3 24
$132.8M
$293.2M
Q2 24
$152.4M
$188.2M
Q1 24
$50.3M
$118.4M
Gross Margin
KMX
KMX
PWR
PWR
Q4 25
10.2%
15.5%
Q3 25
10.9%
15.9%
Q2 25
11.8%
14.9%
Q1 25
11.1%
13.4%
Q4 24
10.9%
16.2%
Q3 24
10.8%
15.6%
Q2 24
11.1%
14.5%
Q1 24
10.4%
12.4%
Operating Margin
KMX
KMX
PWR
PWR
Q4 25
6.2%
Q3 25
6.8%
Q2 25
5.5%
Q1 25
2.0%
3.8%
Q4 24
2.7%
6.9%
Q3 24
2.5%
6.6%
Q2 24
2.9%
5.5%
Q1 24
1.2%
3.1%
Net Margin
KMX
KMX
PWR
PWR
Q4 25
1.1%
4.0%
Q3 25
1.4%
4.4%
Q2 25
2.8%
3.4%
Q1 25
1.5%
2.3%
Q4 24
2.0%
4.7%
Q3 24
1.9%
4.5%
Q2 24
2.1%
3.4%
Q1 24
0.9%
2.4%
EPS (diluted)
KMX
KMX
PWR
PWR
Q4 25
$0.43
$2.08
Q3 25
$0.64
$2.24
Q2 25
$1.38
$1.52
Q1 25
$0.58
$0.96
Q4 24
$0.81
$2.03
Q3 24
$0.85
$1.95
Q2 24
$0.97
$1.26
Q1 24
$0.31
$0.79

Balance Sheet & Financial Strength

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

Metric
KMX
KMX
PWR
PWR
Cash + ST InvestmentsLiquidity on hand
$204.9M
$439.5M
Total DebtLower is stronger
$16.6B
$5.2B
Stockholders' EquityBook value
$6.1B
$8.9B
Total Assets
$25.6B
$24.9B
Debt / EquityLower = less leverage
2.74×
0.59×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
KMX
KMX
PWR
PWR
Q4 25
$204.9M
$439.5M
Q3 25
$540.4M
$610.4M
Q2 25
$262.8M
$509.5M
Q1 25
$247.0M
$520.6M
Q4 24
$271.9M
$742.0M
Q3 24
$524.7M
$764.1M
Q2 24
$218.9M
$518.1M
Q1 24
$574.1M
$531.1M
Total Debt
KMX
KMX
PWR
PWR
Q4 25
$16.6B
$5.2B
Q3 25
$17.8B
$5.5B
Q2 25
$18.0B
$4.7B
Q1 25
$18.1B
$4.4B
Q4 24
$18.1B
$4.1B
Q3 24
$18.1B
$4.1B
Q2 24
$18.2B
$3.0B
Q1 24
$18.0B
$3.2B
Stockholders' Equity
KMX
KMX
PWR
PWR
Q4 25
$6.1B
$8.9B
Q3 25
$6.2B
$8.4B
Q2 25
$6.3B
$7.9B
Q1 25
$6.2B
$7.5B
Q4 24
$6.2B
$7.3B
Q3 24
$6.2B
$7.1B
Q2 24
$6.2B
$6.6B
Q1 24
$6.1B
$6.4B
Total Assets
KMX
KMX
PWR
PWR
Q4 25
$25.6B
$24.9B
Q3 25
$27.1B
$22.7B
Q2 25
$27.4B
$19.9B
Q1 25
$27.4B
$19.1B
Q4 24
$27.3B
$18.7B
Q3 24
$27.3B
$18.9B
Q2 24
$27.2B
$15.9B
Q1 24
$27.2B
$15.5B
Debt / Equity
KMX
KMX
PWR
PWR
Q4 25
2.74×
0.59×
Q3 25
2.87×
0.66×
Q2 25
2.86×
0.59×
Q1 25
2.91×
0.58×
Q4 24
2.92×
0.56×
Q3 24
2.93×
0.58×
Q2 24
2.95×
0.45×
Q1 24
2.96×
0.50×

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
PWR
PWR
Operating Cash FlowLast quarter
$1.3B
$1.1B
Free Cash FlowOCF − Capex
$1.1B
$934.0M
FCF MarginFCF / Revenue
19.2%
11.9%
Capex IntensityCapex / Revenue
2.4%
2.5%
Cash ConversionOCF / Net Profit
20.14×
3.56×
TTM Free Cash FlowTrailing 4 quarters
$1.9B
$1.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
KMX
KMX
PWR
PWR
Q4 25
$1.3B
$1.1B
Q3 25
$785.5M
$563.5M
Q2 25
$299.5M
$295.7M
Q1 25
$146.4M
$243.2M
Q4 24
$-23.4M
$712.0M
Q3 24
$619.1M
$739.9M
Q2 24
$-117.7M
$391.3M
Q1 24
$309.6M
$238.0M
Free Cash Flow
KMX
KMX
PWR
PWR
Q4 25
$1.1B
$934.0M
Q3 25
$654.0M
$421.0M
Q2 25
$162.8M
$155.4M
Q1 25
$18.8M
$110.4M
Q4 24
$-150.6M
$565.0M
Q3 24
$509.9M
$527.4M
Q2 24
$-221.6M
$229.9M
Q1 24
$199.8M
$154.8M
FCF Margin
KMX
KMX
PWR
PWR
Q4 25
19.2%
11.9%
Q3 25
9.9%
5.5%
Q2 25
2.2%
2.3%
Q1 25
0.3%
1.8%
Q4 24
-2.4%
8.6%
Q3 24
7.3%
8.1%
Q2 24
-3.1%
4.1%
Q1 24
3.6%
3.1%
Capex Intensity
KMX
KMX
PWR
PWR
Q4 25
2.4%
2.5%
Q3 25
2.0%
1.9%
Q2 25
1.8%
2.1%
Q1 25
2.1%
2.1%
Q4 24
2.0%
2.2%
Q3 24
1.6%
3.3%
Q2 24
1.5%
2.9%
Q1 24
2.0%
1.7%
Cash Conversion
KMX
KMX
PWR
PWR
Q4 25
20.14×
3.56×
Q3 25
8.24×
1.66×
Q2 25
1.42×
1.29×
Q1 25
1.63×
1.69×
Q4 24
-0.19×
2.29×
Q3 24
4.66×
2.52×
Q2 24
-0.77×
2.08×
Q1 24
6.16×
2.01×

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%

PWR
PWR

Segment breakdown not available.

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