
VIN 1XPBD49XXMD754654 · Stock #rush-625582
Miles
342,056 mi
Year
2021
Engine
Cummins X15
Horsepower
450 HP
Transmission
Automated Manual
Axle Config
6x4
This 2021 Peterbilt 579 is a used Class 8 commercial truck, listed in the Sleeper Truck category. The cab includes a 80-inch sleeper. The truck is powered by a 450-horsepower Cummins X15 diesel engine, paired with a 12-speed automated manual transmission. The chassis features a 234-inch wheelbase, and a gross vehicle weight rating of 52,000 lbs. The odometer shows 342,056 miles, and the unit is offered in fair condition. The current asking price is $56,900, 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. 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
Lake City, FL
Asking
$56,900
Lake City, FL
Asking price over time
4 dealer-initiated drops · total −$7,050 (11.0%)
Asking now
$56,900
Initial ask
$63,950
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 Sleeper Truck category. The cab includes a 80-inch sleeper. The truck is powered by a 450-horsepower Cummins X15 diesel engine, paired with a 12-speed automated manual transmission. The chassis features a 234-inch wheelbase, and a gross vehicle weight rating of 52,000 lbs. The odometer shows 342,056 miles, and the unit is offered in fair condition. The current asking price is $56,900, 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. 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.
PRICED TO SELL – This 2021 Peterbilt 579 Ultraloft is ready for the road, featuring an 80" double bunk sleeper with refrigerator for maximum comfort on long hauls. Powered by a reliable Cummins 450 HP engine and a 12-speed Endurant transmission, it delivers strong performance and efficiency. With Peterbilt Low Air Leaf suspension and a 234" wheelbase, you’ll experience a smooth, stable ride. This truck has been fully serviced, received a PM service with 86-point inspection, and passed DOT certification, giving you peace of mind that it’s work-ready. With 342,056 miles and multiple units available, now is the time to add a dependable truck to your fleet—call today for details!
2021 Peterbilt 579 · 342,056 mi
Est. monthly
$1,086.01
Pre-tax purchase price
$5,690
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
$51,710
Total interest
$13,450
Total cost
$70,850
Effective / month
$1,086.01
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
+0% vs. comp median
Active listings
244