Summary Verdict
ACIW: 3—CARS: 2wins
Rule of 40
24.2ACIW
18.0CARS
check_circleACIW leads
Revenue Growth
6.9%ACIW
0.1%CARS
check_circleACIW leads
Gross Margin
47%ACIW
87%CARS
check_circleCARS leads
FCF Margin
17.3%ACIW
17.9%CARS
check_circleCARS leads
Operating Margin
16.4%ACIW
7.7%CARS
check_circleACIW leads
NRR
—ACIW
—CARS
Metric
Rule of 40Efficiency score
ACIW
24.2check_circle
CARS
18.0
Revenue GrowthYoY
ACIW
6.9%check_circle
CARS
0.1%
Gross Margin% of revenue
ACIW
47%
CARS
87%check_circle
FCF MarginFree cash flow
ACIW
17.3%
CARS
17.9%check_circle
Operating MarginGAAP
ACIW
16.4%check_circle
CARS
7.7%
NRRNet retention
ACIW
N/A
CARS
N/A
EV / RevenueValuation multiple
ACIW
N/A
CARS
N/A
Market CapUSD
ACIW
N/A
CARS
N/A
ARR GrowthYoY
ACIW
N/A
CARS
N/A
CAC PaybackMonths to recover
ACIW
N/A
CARS
N/A
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insights
Analysis
As of Q1 2026, ACI WORLDWIDE, INC. trades at N/A EV/Revenue versus Cars.com Inc. at N/A. On the Rule of 40, ACI WORLDWIDE, INC. scores 24.2 compared to Cars.com Inc.'s 18.0, placing ACI WORLDWIDE, INC. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 47% vs Cars.com Inc. 87%.
Sector Context
Both companies operate in the Vertical SaaS sector. The median columns above show where each company stands relative to their peers.