Miles
676,602 mi
Year
2021
Engine
Cummins X15
Horsepower
400 HP
Transmission
Automated Manual
Axle Config
6x4
This 2021 Peterbilt 579 is a used Class 8 commercial truck, listed in the Day Cab category. Configured as a day cab, it is suited for regional and local distribution routes. The truck is powered by a 400-horsepower Cummins X15 diesel engine, paired with a 12-speed automated manual transmission. The chassis features a 186-inch wheelbase. The odometer shows 676,602 miles, and the unit is offered in fair condition. The current asking price is $39,950, representing the dealer's current asking price. This truck is currently offered by Rush Truck Centers. 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.
Rush Truck Centers
St. Peters, MO
Asking
$39,950

VIN 1XPBD49X8MD739148 · Stock #rush-627272
St. Peters, MO
Asking price over time
1 dealer-initiated drop · total −$3,450 (7.9%)
Asking now
$39,950
Initial ask
$43,400
Comp median
$55,400
Days listed
66
Comp median is the median asking price across N similar trucks (same make/model/year/spec) in the last 90 days. Not a valuation. We never tell you whether to buy.
2021 Peterbilt 579 — get instant answers about specs, inspection tips, or comparisons.
This 2021 Peterbilt 579 is a used Class 8 commercial truck, listed in the Day Cab category. Configured as a day cab, it is suited for regional and local distribution routes. The truck is powered by a 400-horsepower Cummins X15 diesel engine, paired with a 12-speed automated manual transmission. The chassis features a 186-inch wheelbase. The odometer shows 676,602 miles, and the unit is offered in fair condition. The current asking price is $39,950, representing the dealer's current asking price. This truck is currently offered by Rush Truck Centers. 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.
Great Value, 10 brand new Virgin Tires, Warranty and (W.A.C) Premium interior, Dual high back seats, Air ride drivers. Tilt / Tele Steering column. Heated mirrors, Dual power windows. Power door locks. AM/FM/BLUETOOTH/USB Stereo radio, Rear cab window. Air slide 5tyhj wheel. AIR DISC BRAKES, FRONT AND REAR. Bright finish exterior sun visor. R/H Fender mirror. Water ;/ Fuel Separator ( heated ). Air dryer ( heated ). Roof fairing. Cab extenders (2) Aluminum fuel tanks. L/H (70) Gallon. R/H (90) Gallon. Steer tires 100%. Drive tires 100% Virgin matched. Brakes 50%. Fresh B Service ( oil & filter ). Fresh D.O.T. (1) Owner. Fleet owned and maintained. W.A.C. Trades welcome. Unis are located @ Rush Truck Centers. St. Louis, Missouri metro area. ( Pontoon Beach, Illinois & St. Peters, Missouri ).
2021 Peterbilt 579 · 676,602 mi
Est. monthly
$765.62
Pre-tax purchase price
$3,995
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
$36,455
Total interest
$9,482
Total cost
$49,932
Effective / month
$765.62
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 X15
Median Price
$56,900
This listing
−30% vs. comp median
Active listings
244