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Side-by-side financial comparison of MPLX LP (MPLX) and RUSH ENTERPRISES INC \TX\ (RUSHA). Click either name above to swap in a different company.

MPLX LP is the larger business by last-quarter revenue ($2.5B vs $1.7B, roughly 1.5× RUSH ENTERPRISES INC \TX\). MPLX LP runs the higher net margin — 49.1% vs 3.7%, a 45.4% gap on every dollar of revenue. On growth, MPLX LP posted the faster year-over-year revenue change (1.4% vs -9.0%). MPLX LP produced more free cash flow last quarter ($782.0M vs $411.6M). Over the past eight quarters, MPLX LP's revenue compounded faster (6.2% CAGR vs -6.8%).

MarkWest Energy Partners, L.P., a subsidiary of MPLX LP, is a natural gas gathering, processing and transportation company master limited partnership of the United States. In 1988, the company was founded in Denver, Colorado and grew to be Colorado's 13th largest company. In 2015 it was acquired by MPLX, itself a subsidiary of Marathon Petroleum.

Rush Enterprises is an American commercial vehicle dealership headquartered in New Braunfels, Texas. It primarily sells new and used trucks, through its Rush Truck Centers. In 2019, the company operated over 200 Rush Truck Centers in 20 U.S. states as well as 14 locations in Canada. As of 2020, it was a Fortune 500 corporation.

MPLX vs RUSHA — Head-to-Head

Bigger by revenue
MPLX
MPLX
1.5× larger
MPLX
$2.5B
$1.7B
RUSHA
Growing faster (revenue YoY)
MPLX
MPLX
+10.4% gap
MPLX
1.4%
-9.0%
RUSHA
Higher net margin
MPLX
MPLX
45.4% more per $
MPLX
49.1%
3.7%
RUSHA
More free cash flow
MPLX
MPLX
$370.4M more FCF
MPLX
$782.0M
$411.6M
RUSHA
Faster 2-yr revenue CAGR
MPLX
MPLX
Annualised
MPLX
6.2%
-6.8%
RUSHA

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
MPLX
MPLX
RUSHA
RUSHA
Revenue
$2.5B
$1.7B
Net Profit
$1.2B
$61.7M
Gross Margin
20.4%
Operating Margin
60.5%
4.9%
Net Margin
49.1%
3.7%
Revenue YoY
1.4%
-9.0%
Net Profit YoY
8.5%
1.8%
EPS (diluted)
$0.77

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
MPLX
MPLX
RUSHA
RUSHA
Q1 26
$1.7B
Q4 25
$2.5B
$1.7B
Q3 25
$2.5B
$1.8B
Q2 25
$2.4B
$1.8B
Q1 25
$2.5B
$1.8B
Q4 24
$2.4B
$1.9B
Q3 24
$2.3B
$1.8B
Q2 24
$2.3B
$1.9B
Net Profit
MPLX
MPLX
RUSHA
RUSHA
Q1 26
$61.7M
Q4 25
$1.2B
$64.3M
Q3 25
$1.6B
$66.7M
Q2 25
$1.1B
$72.4M
Q1 25
$1.1B
$60.3M
Q4 24
$1.1B
$74.8M
Q3 24
$1.0B
$79.1M
Q2 24
$1.2B
$78.7M
Gross Margin
MPLX
MPLX
RUSHA
RUSHA
Q1 26
20.4%
Q4 25
20.8%
Q3 25
21.0%
Q2 25
20.7%
Q1 25
20.3%
Q4 24
19.3%
Q3 24
21.0%
Q2 24
20.2%
Operating Margin
MPLX
MPLX
RUSHA
RUSHA
Q1 26
4.9%
Q4 25
60.5%
5.5%
Q3 25
73.2%
5.6%
Q2 25
54.9%
6.0%
Q1 25
55.5%
5.2%
Q4 24
55.6%
5.8%
Q3 24
54.4%
6.7%
Q2 24
62.9%
6.4%
Net Margin
MPLX
MPLX
RUSHA
RUSHA
Q1 26
3.7%
Q4 25
49.1%
3.8%
Q3 25
63.2%
3.7%
Q2 25
44.9%
3.9%
Q1 25
46.2%
3.4%
Q4 24
45.9%
3.9%
Q3 24
44.6%
4.4%
Q2 24
52.6%
4.1%
EPS (diluted)
MPLX
MPLX
RUSHA
RUSHA
Q1 26
$0.77
Q4 25
$0.81
Q3 25
$0.83
Q2 25
$0.90
Q1 25
$0.73
Q4 24
$-95.13
Q3 24
$0.97
Q2 24
$97.00

Balance Sheet & Financial Strength

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

Metric
MPLX
MPLX
RUSHA
RUSHA
Cash + ST InvestmentsLiquidity on hand
$2.1B
Total DebtLower is stronger
$24.2B
$277.8M
Stockholders' EquityBook value
$2.3B
Total Assets
$43.0B
$4.5B
Debt / EquityLower = less leverage
0.12×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPLX
MPLX
RUSHA
RUSHA
Q1 26
Q4 25
$2.1B
$212.6M
Q3 25
$1.8B
$242.0M
Q2 25
$1.4B
$211.1M
Q1 25
$2.5B
$228.7M
Q4 24
$1.5B
$228.1M
Q3 24
$2.4B
$185.1M
Q2 24
$2.5B
$167.3M
Total Debt
MPLX
MPLX
RUSHA
RUSHA
Q1 26
$277.8M
Q4 25
$24.2B
$274.8M
Q3 25
$24.1B
Q2 25
$19.7B
Q1 25
$19.7B
Q4 24
$19.3B
$408.4M
Q3 24
$19.3B
Q2 24
$19.2B
Stockholders' Equity
MPLX
MPLX
RUSHA
RUSHA
Q1 26
$2.3B
Q4 25
$2.2B
Q3 25
$2.2B
Q2 25
$2.2B
Q1 25
$2.2B
Q4 24
$2.1B
Q3 24
$2.1B
Q2 24
$2.0B
Total Assets
MPLX
MPLX
RUSHA
RUSHA
Q1 26
$4.5B
Q4 25
$43.0B
$4.4B
Q3 25
$43.2B
$4.6B
Q2 25
$37.8B
$4.7B
Q1 25
$39.0B
$4.7B
Q4 24
$37.5B
$4.6B
Q3 24
$38.5B
$4.6B
Q2 24
$38.4B
$4.5B
Debt / Equity
MPLX
MPLX
RUSHA
RUSHA
Q1 26
0.12×
Q4 25
0.12×
Q3 25
Q2 25
Q1 25
Q4 24
0.19×
Q3 24
Q2 24

Cash Flow & Capital Efficiency

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

Metric
MPLX
MPLX
RUSHA
RUSHA
Operating Cash FlowLast quarter
$1.5B
Free Cash FlowOCF − Capex
$782.0M
$411.6M
FCF MarginFCF / Revenue
31.9%
24.4%
Capex IntensityCapex / Revenue
29.1%
2.0%
Cash ConversionOCF / Net Profit
1.24×
TTM Free Cash FlowTrailing 4 quarters
$4.1B
$828.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPLX
MPLX
RUSHA
RUSHA
Q1 26
Q4 25
$1.5B
$112.9M
Q3 25
$1.4B
$367.8M
Q2 25
$1.7B
$227.6M
Q1 25
$1.2B
$153.5M
Q4 24
$1.7B
$392.3M
Q3 24
$1.4B
$111.7M
Q2 24
$1.6B
$270.6M
Free Cash Flow
MPLX
MPLX
RUSHA
RUSHA
Q1 26
$411.6M
Q4 25
$782.0M
$31.9M
Q3 25
$905.0M
$271.2M
Q2 25
$1.4B
$113.8M
Q1 25
$979.0M
$45.1M
Q4 24
$1.4B
$263.5M
Q3 24
$1.1B
$-20.0M
Q2 24
$1.4B
$177.2M
FCF Margin
MPLX
MPLX
RUSHA
RUSHA
Q1 26
24.4%
Q4 25
31.9%
1.9%
Q3 25
36.8%
15.2%
Q2 25
60.9%
6.2%
Q1 25
39.8%
2.6%
Q4 24
56.6%
13.7%
Q3 24
48.4%
-1.1%
Q2 24
60.0%
9.1%
Capex Intensity
MPLX
MPLX
RUSHA
RUSHA
Q1 26
2.0%
Q4 25
29.1%
4.8%
Q3 25
21.4%
5.4%
Q2 25
12.8%
6.2%
Q1 25
10.9%
6.2%
Q4 24
12.7%
6.7%
Q3 24
11.9%
7.3%
Q2 24
9.4%
4.8%
Cash Conversion
MPLX
MPLX
RUSHA
RUSHA
Q1 26
Q4 25
1.24×
1.75×
Q3 25
0.92×
5.51×
Q2 25
1.64×
3.14×
Q1 25
1.10×
2.55×
Q4 24
1.51×
5.25×
Q3 24
1.35×
1.41×
Q2 24
1.32×
3.44×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MPLX
MPLX

Services$746.0M30%
Other$675.0M28%
Products$492.0M20%
Nonrelated Party$186.0M8%
Related Party$151.0M6%
Crude Oil And Products Logistics$104.0M4%
Service Other$56.0M2%
Natural Gas And NGL Services$41.0M2%

RUSHA
RUSHA

New and used commercial vehicle sales$955.1M57%
Aftermarket products and services sales$627.2M37%
Lease and rental sales$92.3M5%
Finance and insurance$5.6M0%

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