ACI WORLDWIDE, INC. vs Cars.com Inc.
Side-by-Side SaaS Metrics & Valuation Comparison
analyticsVertical SaaS
Data as of Q2 2026
Summary Verdict
ACIW: 3—CARS: 2wins
Rule of 40
26.1ACIW
18.1CARS
check_circleACIW leads
Revenue Growth
9.1%ACIW
0.2%CARS
check_circleACIW leads
Gross Margin
46%ACIW
87%CARS
check_circleCARS leads
FCF Margin
17.0%ACIW
17.9%CARS
check_circleCARS leads
Operating Margin
15.2%ACIW
10.6%CARS
check_circleACIW leads
NRR
—ACIW
—CARS
Metric
Rule of 40Efficiency score
ACIW
26.1check_circle
CARS
18.1
Revenue GrowthYoY
ACIW
9.1%check_circle
CARS
0.2%
Gross Margin% of revenue
ACIW
46%
CARS
87%check_circle
FCF MarginFree cash flow
ACIW
17.0%
CARS
17.9%check_circle
Operating MarginGAAP
ACIW
15.2%check_circle
CARS
10.6%
NRRNet retention
ACIW
N/A
CARS
N/A
EV / RevenueValuation multiple
ACIW
3.5x
CARS
1.5xcheck_circle
Market CapUSD
ACIW
$5.3Bcheck_circle
CARS
$649.0M
ARR GrowthYoY
ACIW
N/A
CARS
N/A
CAC PaybackMonths to recover
ACIW
N/A
CARS
N/A
insights
Analysis
As of Q2 2026, ACI WORLDWIDE, INC. trades at 3.5x EV/Revenue versus Cars.com Inc. at 1.5x. On the Rule of 40, ACI WORLDWIDE, INC. scores 26.1 compared to Cars.com Inc.'s 18.1, placing ACI WORLDWIDE, INC. ahead in operating efficiency. Gross margins stand at ACI WORLDWIDE, INC. 46% 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.