Miles
447,571 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, and a gross vehicle weight rating of 52,350 lbs. The odometer shows 447,571 miles, and the unit is offered in fair condition. The current asking price is $53,900, 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.
Rush Truck Centers
Amarillo, TX
Asking
$53,900

VIN 1XPBD49X7MD754207 · Stock #rush-622174
Amarillo, TX
Asking price over time
1 dealer-initiated drop · total −$1,950 (3.5%)
Asking now
$53,900
Initial ask
$55,850
Comp median
$55,400
Days listed
73
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, and a gross vehicle weight rating of 52,350 lbs. The odometer shows 447,571 miles, and the unit is offered in fair condition. The current asking price is $53,900, 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.
The Peterbilt Model 579 combines aerodynamics and styling to deliver outstanding performance and efficiency for cost-conscious operators. Powered by a 400 HP CUMMINS X15 engine and backed up by an Eaton Fuller Advantage Series 12-speed transmission, this truck provides ease of operation and less driver fatigue. Other features include a heavy-duty driveline with the Peterbilt Low Air Leaf suspension. The quiet and spacious cab includes dual high-back seats, power door locks and windows, fully adjustable steering wheel. Call or come by Rush Truck Center – Amarillo and let one of our sales professionals tell you about any of our Model 579s in inventory, as well as the great financing options currently available. Delivery available.
2021 Peterbilt 579 · 447,571 mi
Est. monthly
$1,029.30
Pre-tax purchase price
$5,390
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
$49,010
Total interest
$12,748
Total cost
$67,148
Effective / month
$1,029.30
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
−5% vs. comp median
Active listings
242