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Side-by-side financial comparison of CarGurus, Inc. (CARG) and FOSTER L B CO (FSTR). Click either name above to swap in a different company.

CarGurus, Inc. is the larger business by last-quarter revenue ($209.1M vs $160.4M, roughly 1.3× FOSTER L B CO). CarGurus, Inc. runs the higher net margin — 23.8% vs 1.5%, a 22.3% gap on every dollar of revenue. On growth, FOSTER L B CO posted the faster year-over-year revenue change (25.1% vs -8.5%). CarGurus, Inc. produced more free cash flow last quarter ($81.9M vs $19.8M). Over the past eight quarters, FOSTER L B CO's revenue compounded faster (13.6% 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.

Foster L B Co. is a U.S.-headquartered industrial manufacturing firm that develops, produces and distributes engineered access solutions, construction components, and rail infrastructure products. It serves commercial construction, transportation, and industrial end markets across North America and selected international regions.

CARG vs FSTR — Head-to-Head

Bigger by revenue
CARG
CARG
1.3× larger
CARG
$209.1M
$160.4M
FSTR
Growing faster (revenue YoY)
FSTR
FSTR
+33.6% gap
FSTR
25.1%
-8.5%
CARG
Higher net margin
CARG
CARG
22.3% more per $
CARG
23.8%
1.5%
FSTR
More free cash flow
CARG
CARG
$62.1M more FCF
CARG
$81.9M
$19.8M
FSTR
Faster 2-yr revenue CAGR
FSTR
FSTR
Annualised
FSTR
13.6%
-1.6%
CARG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CARG
CARG
FSTR
FSTR
Revenue
$209.1M
$160.4M
Net Profit
$49.8M
$2.4M
Gross Margin
19.7%
Operating Margin
57.0%
4.9%
Net Margin
23.8%
1.5%
Revenue YoY
-8.5%
25.1%
Net Profit YoY
8.5%
1098.3%
EPS (diluted)
$0.51
$0.22

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
FSTR
FSTR
Q4 25
$209.1M
$160.4M
Q3 25
$238.7M
$138.3M
Q2 25
$234.0M
$143.6M
Q1 25
$225.2M
$97.8M
Q4 24
$228.5M
$128.2M
Q3 24
$231.4M
$137.5M
Q2 24
$218.7M
$140.8M
Q1 24
$215.8M
$124.3M
Net Profit
CARG
CARG
FSTR
FSTR
Q4 25
$49.8M
$2.4M
Q3 25
$44.7M
$4.4M
Q2 25
$22.3M
$2.9M
Q1 25
$39.0M
$-2.1M
Q4 24
$45.9M
$-242.0K
Q3 24
$22.5M
$35.9M
Q2 24
$-68.7M
$2.8M
Q1 24
$21.3M
$4.4M
Gross Margin
CARG
CARG
FSTR
FSTR
Q4 25
19.7%
Q3 25
89.5%
22.5%
Q2 25
87.3%
21.5%
Q1 25
88.7%
20.6%
Q4 24
87.1%
22.3%
Q3 24
78.9%
23.8%
Q2 24
83.4%
21.7%
Q1 24
81.1%
21.1%
Operating Margin
CARG
CARG
FSTR
FSTR
Q4 25
57.0%
4.9%
Q3 25
22.9%
6.0%
Q2 25
10.6%
5.3%
Q1 25
20.3%
-2.0%
Q4 24
23.3%
2.4%
Q3 24
11.9%
5.3%
Q2 24
-42.8%
3.2%
Q1 24
12.2%
4.5%
Net Margin
CARG
CARG
FSTR
FSTR
Q4 25
23.8%
1.5%
Q3 25
18.7%
3.1%
Q2 25
9.5%
2.0%
Q1 25
17.3%
-2.2%
Q4 24
20.1%
-0.2%
Q3 24
9.7%
26.1%
Q2 24
-31.4%
2.0%
Q1 24
9.9%
3.6%
EPS (diluted)
CARG
CARG
FSTR
FSTR
Q4 25
$0.51
$0.22
Q3 25
$0.45
$0.40
Q2 25
$0.22
$0.27
Q1 25
$0.37
$-0.20
Q4 24
$0.45
$-0.04
Q3 24
$0.21
$3.27
Q2 24
$-0.66
$0.26
Q1 24
$0.20
$0.40

Balance Sheet & Financial Strength

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

Metric
CARG
CARG
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$190.5M
$4.3M
Total DebtLower is stronger
$0
$42.6M
Stockholders' EquityBook value
$374.2M
$175.3M
Total Assets
$661.9M
$330.4M
Debt / EquityLower = less leverage
0.00×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CARG
CARG
FSTR
FSTR
Q4 25
$190.5M
$4.3M
Q3 25
$178.8M
$3.4M
Q2 25
$231.2M
$4.2M
Q1 25
$172.9M
$2.6M
Q4 24
$304.2M
$2.5M
Q3 24
$246.7M
$3.1M
Q2 24
$216.2M
$4.0M
Q1 24
$246.3M
$3.1M
Total Debt
CARG
CARG
FSTR
FSTR
Q4 25
$0
$42.6M
Q3 25
$0
$58.6M
Q2 25
$0
$81.4M
Q1 25
$0
$82.3M
Q4 24
$0
$46.8M
Q3 24
$0
$68.4M
Q2 24
$0
$87.0M
Q1 24
$0
$77.9M
Stockholders' Equity
CARG
CARG
FSTR
FSTR
Q4 25
$374.2M
$175.3M
Q3 25
$375.4M
$174.8M
Q2 25
$435.5M
$174.4M
Q1 25
$402.1M
$170.8M
Q4 24
$541.7M
$178.3M
Q3 24
$483.5M
$181.9M
Q2 24
$452.1M
$147.1M
Q1 24
$568.4M
$144.6M
Total Assets
CARG
CARG
FSTR
FSTR
Q4 25
$661.9M
$330.4M
Q3 25
$660.5M
$333.9M
Q2 25
$726.1M
$349.9M
Q1 25
$689.1M
$342.8M
Q4 24
$824.5M
$334.6M
Q3 24
$778.2M
$344.5M
Q2 24
$753.3M
$333.3M
Q1 24
$870.8M
$326.4M
Debt / Equity
CARG
CARG
FSTR
FSTR
Q4 25
0.00×
0.24×
Q3 25
0.00×
0.33×
Q2 25
0.00×
0.47×
Q1 25
0.00×
0.48×
Q4 24
0.00×
0.26×
Q3 24
0.00×
0.38×
Q2 24
0.00×
0.59×
Q1 24
0.00×
0.54×

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
FSTR
FSTR
Operating Cash FlowLast quarter
$83.1M
$22.2M
Free Cash FlowOCF − Capex
$81.9M
$19.8M
FCF MarginFCF / Revenue
39.2%
12.3%
Capex IntensityCapex / Revenue
0.6%
1.5%
Cash ConversionOCF / Net Profit
1.67×
9.18×
TTM Free Cash FlowTrailing 4 quarters
$288.9M
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CARG
CARG
FSTR
FSTR
Q4 25
$83.1M
$22.2M
Q3 25
$71.2M
$29.2M
Q2 25
$73.1M
$10.4M
Q1 25
$67.9M
$-26.1M
Q4 24
$75.7M
$24.3M
Q3 24
$56.2M
$24.7M
Q2 24
$71.6M
$-5.0M
Q1 24
$52.0M
$-21.4M
Free Cash Flow
CARG
CARG
FSTR
FSTR
Q4 25
$81.9M
$19.8M
Q3 25
$69.8M
$26.4M
Q2 25
$71.5M
$7.7M
Q1 25
$65.6M
$-28.7M
Q4 24
$65.5M
$22.3M
Q3 24
$45.9M
$21.7M
Q2 24
$45.6M
$-7.0M
Q1 24
$23.3M
$-24.2M
FCF Margin
CARG
CARG
FSTR
FSTR
Q4 25
39.2%
12.3%
Q3 25
29.2%
19.1%
Q2 25
30.6%
5.4%
Q1 25
29.2%
-29.4%
Q4 24
28.7%
17.4%
Q3 24
19.8%
15.8%
Q2 24
20.9%
-5.0%
Q1 24
10.8%
-19.4%
Capex Intensity
CARG
CARG
FSTR
FSTR
Q4 25
0.6%
1.5%
Q3 25
0.6%
2.0%
Q2 25
0.7%
1.9%
Q1 25
1.0%
2.6%
Q4 24
4.5%
1.5%
Q3 24
4.4%
2.2%
Q2 24
11.9%
1.5%
Q1 24
13.3%
2.2%
Cash Conversion
CARG
CARG
FSTR
FSTR
Q4 25
1.67×
9.18×
Q3 25
1.59×
6.70×
Q2 25
3.27×
3.61×
Q1 25
1.74×
Q4 24
1.65×
Q3 24
2.50×
0.69×
Q2 24
-1.74×
Q1 24
2.44×
-4.83×

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%

FSTR
FSTR

Rail Technologies And Services Segment$98.0M61%
Over Time Output Method$26.3M16%
Services$19.4M12%
Rail Technologies Products$10.0M6%
Over Time Input Method$8.3M5%

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