Miles
517,725 mi
Year
2021
Engine
PACCAR MX-13
Horsepower
405 HP
Transmission
Automated Manual
Axle Config
6x4
The Peterbilt Store - Fort Pierce
Fort Pierce, FL
Asking
$42,400
VIN 1XPBDP9X1MD738473 · Stock #petestore-u738473
Fort Pierce, FL
2021 Peterbilt 579 — get instant answers about specs, inspection tips, or comparisons.
2021 Peterbilt 579 · 517,725 mi
Est. monthly
$811.93
Pre-tax purchase price
$4,240
Owner-ops: 10–20% typical
Prime 7–9% · Median 9–12% · Subprime 14%+
Deducted from financed amount
Drives Federal Excise Tax (FET)
Skip if straight truck under 33k GVWR or trailer under 26k GVWR.
Off — used vehicles are exempt
$0
Often 0% for interstate commercial use
Some states cap (CA $85, NY $75)
State title + lien fee
Lowers monthly; paid as lump at term
Amount financed
$38,660
Total interest
$10,056
Total cost
$52,956
Effective / month
$811.93
Estimate only. Actual financing depends on credit, dealer program, and lender terms. Heavy-truck APRs typically range 7–18% depending on credit tier, vehicle age, and LTV. Interstate commercial-use purchases are often exempt from state sales tax. TruckRadar is not a lender. Consult a commercial-vehicle lender for binding quotes.
Market Index
2021 Peterbilt 579 MX-13
Median Price
$50,450
This listing
−16% vs. comp median
Active listings
113
2021 Peterbilt 579
$49,990
548,191 mi
Rochester, MN
Allstate Peterbilt Group
2021 Peterbilt 579
$50,900
524,114 mi
Rush Truck Centers
2019 Peterbilt 567
$54,977
337,848 mi
Rush Truck Centers
2021 Peterbilt 579
$49,001
511,160 mi
Rush Truck Centers
2020 Peterbilt 579
$54,777
304,738 mi
Rush Truck Centers
2021 Peterbilt 579
$46,000
568,217 mi
Los Angeles, CA
Rush Truck Centers
2021 Peterbilt 579
$49,001
511,160 mi
Rush Truck Centers