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Side-by-side financial comparison of CarGurus, Inc. (CARG) and Proto Labs Inc (PRLB). Click either name above to swap in a different company.

CarGurus, Inc. is the larger business by last-quarter revenue ($209.1M vs $136.5M, roughly 1.5× Proto Labs Inc). On growth, Proto Labs Inc posted the faster year-over-year revenue change (12.1% vs -8.5%). CarGurus, Inc. produced more free cash flow last quarter ($81.9M vs $8.4M). Over the past eight quarters, Proto Labs Inc's revenue compounded faster (3.3% CAGR vs -1.6%).

CarGurus, Inc. is an automotive research and shopping website operating in the U.S., U.K. and Canada that assists consumers and auto dealers in comparing local listings for used and new cars, and contacting sellers.

Protolabs is a company that provides rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts for prototyping and production. Markets like medical devices, aerospace, electronics, appliances, automotive and consumer products use these parts. Protolabs' headquarters are located in Maple Plain, Minnesota, with Minnesota-based manufacturing facilities in Plymouth, Brooklyn Park, and Rosemount, along with additional facilities in Nashua, New Hampshire and Ca...

CARG vs PRLB — Head-to-Head

Bigger by revenue
CARG
CARG
1.5× larger
CARG
$209.1M
$136.5M
PRLB
Growing faster (revenue YoY)
PRLB
PRLB
+20.6% gap
PRLB
12.1%
-8.5%
CARG
More free cash flow
CARG
CARG
$73.5M more FCF
CARG
$81.9M
$8.4M
PRLB
Faster 2-yr revenue CAGR
PRLB
PRLB
Annualised
PRLB
3.3%
-1.6%
CARG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CARG
CARG
PRLB
PRLB
Revenue
$209.1M
$136.5M
Net Profit
$49.8M
Gross Margin
44.2%
Operating Margin
57.0%
5.0%
Net Margin
23.8%
Revenue YoY
-8.5%
12.1%
Net Profit YoY
8.5%
EPS (diluted)
$0.51
$0.25

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
CARG
CARG
PRLB
PRLB
Q4 25
$209.1M
$136.5M
Q3 25
$238.7M
$135.4M
Q2 25
$234.0M
$135.1M
Q1 25
$225.2M
$126.2M
Q4 24
$228.5M
$121.8M
Q3 24
$231.4M
$125.6M
Q2 24
$218.7M
$125.6M
Q1 24
$215.8M
$127.9M
Net Profit
CARG
CARG
PRLB
PRLB
Q4 25
$49.8M
Q3 25
$44.7M
$7.2M
Q2 25
$22.3M
$4.4M
Q1 25
$39.0M
$3.6M
Q4 24
$45.9M
Q3 24
$22.5M
$7.2M
Q2 24
$-68.7M
$4.5M
Q1 24
$21.3M
$5.3M
Gross Margin
CARG
CARG
PRLB
PRLB
Q4 25
44.2%
Q3 25
89.5%
45.3%
Q2 25
87.3%
44.3%
Q1 25
88.7%
44.1%
Q4 24
87.1%
42.7%
Q3 24
78.9%
45.6%
Q2 24
83.4%
45.0%
Q1 24
81.1%
44.9%
Operating Margin
CARG
CARG
PRLB
PRLB
Q4 25
57.0%
5.0%
Q3 25
22.9%
6.5%
Q2 25
10.6%
3.7%
Q1 25
20.3%
3.6%
Q4 24
23.3%
-1.2%
Q3 24
11.9%
6.8%
Q2 24
-42.8%
4.8%
Q1 24
12.2%
5.3%
Net Margin
CARG
CARG
PRLB
PRLB
Q4 25
23.8%
Q3 25
18.7%
5.3%
Q2 25
9.5%
3.3%
Q1 25
17.3%
2.9%
Q4 24
20.1%
Q3 24
9.7%
5.7%
Q2 24
-31.4%
3.6%
Q1 24
9.9%
4.1%
EPS (diluted)
CARG
CARG
PRLB
PRLB
Q4 25
$0.51
$0.25
Q3 25
$0.45
$0.30
Q2 25
$0.22
$0.18
Q1 25
$0.37
$0.15
Q4 24
$0.45
$-0.01
Q3 24
$0.21
$0.29
Q2 24
$-0.66
$0.18
Q1 24
$0.20
$0.20

Balance Sheet & Financial Strength

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

Metric
CARG
CARG
PRLB
PRLB
Cash + ST InvestmentsLiquidity on hand
$190.5M
$128.1M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$374.2M
$673.9M
Total Assets
$661.9M
$763.4M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CARG
CARG
PRLB
PRLB
Q4 25
$190.5M
$128.1M
Q3 25
$178.8M
$119.2M
Q2 25
$231.2M
$103.2M
Q1 25
$172.9M
$96.8M
Q4 24
$304.2M
$103.1M
Q3 24
$246.7M
$100.5M
Q2 24
$216.2M
$112.9M
Q1 24
$246.3M
$109.7M
Total Debt
CARG
CARG
PRLB
PRLB
Q4 25
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$0
Q2 24
$0
Q1 24
$0
Stockholders' Equity
CARG
CARG
PRLB
PRLB
Q4 25
$374.2M
$673.9M
Q3 25
$375.4M
$664.7M
Q2 25
$435.5M
$664.7M
Q1 25
$402.1M
$656.8M
Q4 24
$541.7M
$670.2M
Q3 24
$483.5M
$680.0M
Q2 24
$452.1M
$685.2M
Q1 24
$568.4M
$687.3M
Total Assets
CARG
CARG
PRLB
PRLB
Q4 25
$661.9M
$763.4M
Q3 25
$660.5M
$756.9M
Q2 25
$726.1M
$743.3M
Q1 25
$689.1M
$737.5M
Q4 24
$824.5M
$743.5M
Q3 24
$778.2M
$753.8M
Q2 24
$753.3M
$758.2M
Q1 24
$870.8M
$769.8M
Debt / Equity
CARG
CARG
PRLB
PRLB
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×
Q1 24
0.00×

Cash Flow & Capital Efficiency

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

Metric
CARG
CARG
PRLB
PRLB
Operating Cash FlowLast quarter
$83.1M
$16.5M
Free Cash FlowOCF − Capex
$81.9M
$8.4M
FCF MarginFCF / Revenue
39.2%
6.2%
Capex IntensityCapex / Revenue
0.6%
5.9%
Cash ConversionOCF / Net Profit
1.67×
TTM Free Cash FlowTrailing 4 quarters
$288.9M
$59.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CARG
CARG
PRLB
PRLB
Q4 25
$83.1M
$16.5M
Q3 25
$71.2M
$29.1M
Q2 25
$73.1M
$10.6M
Q1 25
$67.9M
$18.4M
Q4 24
$75.7M
$17.3M
Q3 24
$56.2M
$24.8M
Q2 24
$71.6M
$14.4M
Q1 24
$52.0M
$21.3M
Free Cash Flow
CARG
CARG
PRLB
PRLB
Q4 25
$81.9M
$8.4M
Q3 25
$69.8M
$25.0M
Q2 25
$71.5M
$9.1M
Q1 25
$65.6M
$17.1M
Q4 24
$65.5M
$16.5M
Q3 24
$45.9M
$23.2M
Q2 24
$45.6M
$10.2M
Q1 24
$23.3M
$18.8M
FCF Margin
CARG
CARG
PRLB
PRLB
Q4 25
39.2%
6.2%
Q3 25
29.2%
18.5%
Q2 25
30.6%
6.7%
Q1 25
29.2%
13.6%
Q4 24
28.7%
13.5%
Q3 24
19.8%
18.5%
Q2 24
20.9%
8.2%
Q1 24
10.8%
14.7%
Capex Intensity
CARG
CARG
PRLB
PRLB
Q4 25
0.6%
5.9%
Q3 25
0.6%
3.0%
Q2 25
0.7%
1.1%
Q1 25
1.0%
1.0%
Q4 24
4.5%
0.7%
Q3 24
4.4%
1.2%
Q2 24
11.9%
3.3%
Q1 24
13.3%
2.0%
Cash Conversion
CARG
CARG
PRLB
PRLB
Q4 25
1.67×
Q3 25
1.59×
4.03×
Q2 25
3.27×
2.39×
Q1 25
1.74×
5.11×
Q4 24
1.65×
Q3 24
2.50×
3.44×
Q2 24
3.18×
Q1 24
2.44×
4.05×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CARG
CARG

US$187.0M89%
Non Us$22.1M11%

PRLB
PRLB

CNC Machining Firstcut$65.5M48%
Injection Molding Protomold$47.6M35%
Three D Printing Fineline$18.8M14%
Sheet Metal$4.4M3%

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