Miles
515,804 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 185-inch wheelbase, and a gross vehicle weight rating of 52,000 lbs. The odometer shows 515,804 miles, and the unit is offered in fair condition. The current asking price is $44,950, 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.
Rush Truck Centers
Tampa, FL
Asking
$44,950

VIN 1XPBD49X3MD738540 · Stock #rush-598348
Tampa, FL
Asking price over time
3 dealer-initiated drops · total −$2,000 (4.3%)
Asking now
$44,950
Initial ask
$46,950
Comp median
$55,400
Days listed
99
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 185-inch wheelbase, and a gross vehicle weight rating of 52,000 lbs. The odometer shows 515,804 miles, and the unit is offered in fair condition. The current asking price is $44,950, 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.
Very Good Condition, 515,812 Miles, **Brand New Turbo, PM Serviced, DOT. Qty 10 New Virgin 22.5LP Tires On 10 Aluminum Wheels, Airslide 5th Wheel, 185" Wheelbase, Air Ride Cab, Call or come by Rush Truck Center – Tampa and let one of our sales professionals show you this one.
2021 Peterbilt 579 · 515,804 mi
Est. monthly
$860.13
Pre-tax purchase price
$4,495
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
$40,955
Total interest
$10,653
Total cost
$56,103
Effective / month
$860.13
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
−21% vs. comp median
Active listings
244