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Side-by-side financial comparison of Aptiv (APTV) and CarParts.com, Inc. (PRTS). Click either name above to swap in a different company.

Aptiv is the larger business by last-quarter revenue ($5.2B vs $127.8M, roughly 40.3× CarParts.com, Inc.). Aptiv runs the higher net margin — 2.7% vs -8.5%, a 11.2% gap on every dollar of revenue. On growth, Aptiv posted the faster year-over-year revenue change (5.0% vs -11.7%). Aptiv produced more free cash flow last quarter ($651.0M vs $-8.3M). Over the past eight quarters, Aptiv's revenue compounded faster (2.5% CAGR vs -9.6%).

Aptiv PLC is an American automotive technology supplier with headquarters in Schaffhausen, Switzerland. Aptiv grew out of the now-defunct American company, Delphi Automotive Systems, which itself was formerly a component of General Motors.

Genuine Parts Company (GPC) is an American automotive and industrial parts distributor based in Atlanta, Georgia. Established by brothers Carlyle and Malcolm Fraser in 1928, the company has approximately 60,000 employees. In addition to the United States, GPC has operated in Australasia, Belgium, Canada, France, Germany, Mexico, the Netherlands, Poland, and the United Kingdom. GPC's subsidiaries include industrial parts distributor Motion as well as NAPA Auto Parts, which primarily sells part...

APTV vs PRTS — Head-to-Head

Bigger by revenue
APTV
APTV
40.3× larger
APTV
$5.2B
$127.8M
PRTS
Growing faster (revenue YoY)
APTV
APTV
+16.7% gap
APTV
5.0%
-11.7%
PRTS
Higher net margin
APTV
APTV
11.2% more per $
APTV
2.7%
-8.5%
PRTS
More free cash flow
APTV
APTV
$659.3M more FCF
APTV
$651.0M
$-8.3M
PRTS
Faster 2-yr revenue CAGR
APTV
APTV
Annualised
APTV
2.5%
-9.6%
PRTS

Income Statement — Q4 2025 vs Q3 2026

Metric
APTV
APTV
PRTS
PRTS
Revenue
$5.2B
$127.8M
Net Profit
$138.0M
$-10.9M
Gross Margin
18.7%
33.1%
Operating Margin
8.2%
-7.9%
Net Margin
2.7%
-8.5%
Revenue YoY
5.0%
-11.7%
Net Profit YoY
-48.5%
-8.7%
EPS (diluted)
$0.63
$-0.19

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
APTV
APTV
PRTS
PRTS
Q4 25
$5.2B
Q3 25
$5.2B
$127.8M
Q2 25
$5.2B
$151.9M
Q1 25
$4.8B
$147.4M
Q4 24
$4.9B
$133.5M
Q3 24
$4.9B
$144.8M
Q2 24
$5.1B
$144.3M
Q1 24
$4.9B
$166.3M
Net Profit
APTV
APTV
PRTS
PRTS
Q4 25
$138.0M
Q3 25
$-355.0M
$-10.9M
Q2 25
$393.0M
$-12.7M
Q1 25
$-11.0M
$-15.3M
Q4 24
$268.0M
$-15.4M
Q3 24
$363.0M
$-10.0M
Q2 24
$938.0M
$-8.7M
Q1 24
$218.0M
$-6.5M
Gross Margin
APTV
APTV
PRTS
PRTS
Q4 25
18.7%
Q3 25
19.5%
33.1%
Q2 25
19.1%
32.8%
Q1 25
19.1%
32.1%
Q4 24
19.6%
32.5%
Q3 24
18.6%
35.2%
Q2 24
19.2%
33.5%
Q1 24
17.9%
32.4%
Operating Margin
APTV
APTV
PRTS
PRTS
Q4 25
8.2%
Q3 25
-3.4%
-7.9%
Q2 25
9.3%
-8.2%
Q1 25
9.3%
-10.3%
Q4 24
9.8%
-11.6%
Q3 24
10.4%
-6.9%
Q2 24
8.7%
-6.0%
Q1 24
8.5%
-3.9%
Net Margin
APTV
APTV
PRTS
PRTS
Q4 25
2.7%
Q3 25
-6.8%
-8.5%
Q2 25
7.5%
-8.4%
Q1 25
-0.2%
-10.4%
Q4 24
5.5%
-11.5%
Q3 24
7.5%
-6.9%
Q2 24
18.6%
-6.0%
Q1 24
4.4%
-3.9%
EPS (diluted)
APTV
APTV
PRTS
PRTS
Q4 25
$0.63
Q3 25
$-1.63
$-0.19
Q2 25
$1.80
$-0.23
Q1 25
$-0.05
$-0.27
Q4 24
$1.22
$-0.28
Q3 24
$1.48
$-0.17
Q2 24
$3.47
$-0.15
Q1 24
$0.79
$-0.11

Balance Sheet & Financial Strength

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

Metric
APTV
APTV
PRTS
PRTS
Cash + ST InvestmentsLiquidity on hand
$1.9B
Total DebtLower is stronger
$7.5B
Stockholders' EquityBook value
$9.2B
$64.2M
Total Assets
$23.4B
$200.3M
Debt / EquityLower = less leverage
0.81×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
APTV
APTV
PRTS
PRTS
Q4 25
$1.9B
Q3 25
$1.6B
Q2 25
$1.4B
Q1 25
$1.1B
Q4 24
$1.6B
Q3 24
$1.8B
Q2 24
$2.2B
Q1 24
$941.0M
Total Debt
APTV
APTV
PRTS
PRTS
Q4 25
$7.5B
Q3 25
$7.6B
Q2 25
$7.8B
Q1 25
$7.6B
Q4 24
$7.8B
Q3 24
$8.3B
Q2 24
$5.5B
Q1 24
$4.7B
Stockholders' Equity
APTV
APTV
PRTS
PRTS
Q4 25
$9.2B
Q3 25
$9.3B
$64.2M
Q2 25
$9.7B
$62.4M
Q1 25
$9.0B
$72.8M
Q4 24
$8.8B
$85.2M
Q3 24
$8.9B
$97.2M
Q2 24
$11.5B
$103.9M
Q1 24
$11.1B
$109.2M
Total Assets
APTV
APTV
PRTS
PRTS
Q4 25
$23.4B
Q3 25
$23.5B
$200.3M
Q2 25
$23.9B
$189.6M
Q1 25
$23.1B
$216.5M
Q4 24
$23.5B
$210.6M
Q3 24
$24.8B
$227.6M
Q2 24
$24.8B
$238.0M
Q1 24
$23.6B
$263.2M
Debt / Equity
APTV
APTV
PRTS
PRTS
Q4 25
0.81×
Q3 25
0.82×
Q2 25
0.80×
Q1 25
0.85×
Q4 24
0.89×
Q3 24
0.93×
Q2 24
0.48×
Q1 24
0.42×

Cash Flow & Capital Efficiency

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

Metric
APTV
APTV
PRTS
PRTS
Operating Cash FlowLast quarter
$818.0M
$-6.4M
Free Cash FlowOCF − Capex
$651.0M
$-8.3M
FCF MarginFCF / Revenue
12.6%
-6.5%
Capex IntensityCapex / Revenue
3.2%
1.5%
Cash ConversionOCF / Net Profit
5.93×
TTM Free Cash FlowTrailing 4 quarters
$1.5B
$-33.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
APTV
APTV
PRTS
PRTS
Q4 25
$818.0M
Q3 25
$584.0M
$-6.4M
Q2 25
$510.0M
$-25.6M
Q1 25
$273.0M
$5.5M
Q4 24
$1.1B
$1.8M
Q3 24
$499.0M
$8.5M
Q2 24
$643.0M
$-3.6M
Q1 24
$244.0M
$3.7M
Free Cash Flow
APTV
APTV
PRTS
PRTS
Q4 25
$651.0M
Q3 25
$441.0M
$-8.3M
Q2 25
$361.0M
$-27.9M
Q1 25
$76.0M
$3.4M
Q4 24
$894.0M
$-631.0K
Q3 24
$326.0M
$4.9M
Q2 24
$417.0M
$-10.8M
Q1 24
$-21.0M
$-3.8M
FCF Margin
APTV
APTV
PRTS
PRTS
Q4 25
12.6%
Q3 25
8.5%
-6.5%
Q2 25
6.9%
-18.3%
Q1 25
1.6%
2.3%
Q4 24
18.2%
-0.5%
Q3 24
6.7%
3.4%
Q2 24
8.3%
-7.5%
Q1 24
-0.4%
-2.3%
Capex Intensity
APTV
APTV
PRTS
PRTS
Q4 25
3.2%
Q3 25
2.7%
1.5%
Q2 25
2.9%
1.5%
Q1 25
4.1%
1.4%
Q4 24
3.4%
1.8%
Q3 24
3.6%
2.5%
Q2 24
4.5%
4.9%
Q1 24
5.4%
4.5%
Cash Conversion
APTV
APTV
PRTS
PRTS
Q4 25
5.93×
Q3 25
Q2 25
1.30×
Q1 25
Q4 24
3.96×
Q3 24
1.37×
Q2 24
0.69×
Q1 24
1.12×

Financial Flow Comparison

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

Revenue Breakdown by Segment

APTV
APTV

Electrical Distribution Systems$2.3B45%
Engineered Components Group$1.4B28%
Active Safety$716.0M14%
User Experience And Other$564.0M11%
Smart Vehicle Compute And Software$154.0M3%

PRTS
PRTS

Segment breakdown not available.

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