Miles
645,371 mi
Year
2021
Engine
PACCAR MX-13
Horsepower
430 HP
Axle Config
6x4
Fuel
Diesel
This 2021 Peterbilt 579 is a used heavy-duty commercial truck, listed in the Sleeper Truck category. The cab includes a 72-inch raised-roof sleeper configuration. The truck is powered by a 430-horsepower PACCAR MX-13 diesel engine. The chassis features a six_by_four axle configuration, a 228-inch wheelbase, and a gross vehicle weight rating of 50,350 lbs. The odometer reads 645,371 miles at the time of this listing. The current asking price is $31,950, representing the dealer's current asking price. This truck is currently offered by TLG Peterbilt, located in O'Fallon, MO. Interested parties should contact the dealer directly to verify availability, confirm specifications, and arrange an on-site inspection before purchase. All specifications, odometer readings, and pricing information are provided by the selling dealer and should be independently verified prior to purchase. This listing was sourced from the dealer's active inventory feed and reflects the stock availability and specifications at the time of the most recent data synchronization.
TLG Peterbilt
O'Fallon, MO
Asking
$31,950

VIN 1XPBDP9X6MD735083 · Stock #1XPBDP9X6MD735083
O'Fallon, MO
2021 Peterbilt 579 — get instant answers about specs, inspection tips, or comparisons.
This 2021 Peterbilt 579 is a used heavy-duty commercial truck, listed in the Sleeper Truck category. The cab includes a 72-inch raised-roof sleeper configuration. The truck is powered by a 430-horsepower PACCAR MX-13 diesel engine. The chassis features a six_by_four axle configuration, a 228-inch wheelbase, and a gross vehicle weight rating of 50,350 lbs. The odometer reads 645,371 miles at the time of this listing. The current asking price is $31,950, representing the dealer's current asking price. This truck is currently offered by TLG Peterbilt, located in O'Fallon, MO. Interested parties should contact the dealer directly to verify availability, confirm specifications, and arrange an on-site inspection before purchase. All specifications, odometer readings, and pricing information are provided by the selling dealer and should be independently verified prior to purchase. This listing was sourced from the dealer's active inventory feed and reflects the stock availability and specifications at the time of the most recent data synchronization.
2021 Peterbilt 579 · 645,371 mi
Est. monthly
$614.41
Pre-tax purchase price
$3,195
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
$29,255
Total interest
$7,610
Total cost
$40,060
Effective / month
$614.41
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
$54,900
This listing
−42% vs. comp median
Active listings
116