
VIN 1XPBD49X7MD738847 · Stock #rush-591617
Miles
498,357 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 53,200 lbs. The odometer shows 498,357 miles, and the unit is offered in fair condition. The current asking price is $49,900, 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
Jacksonville, FL
Asking
$49,900
Jacksonville, FL
Asking price over time
2 dealer-initiated drops · total −$5,000 (9.1%)
Asking now
$49,900
Initial ask
$54,900
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 185-inch wheelbase, and a gross vehicle weight rating of 53,200 lbs. The odometer shows 498,357 miles, and the unit is offered in fair condition. The current asking price is $49,900, 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.
Introducing the 2021 Peterbilt 579, a robust and reliable day cab that combines power and efficiency for your hauling needs. Equipped with a Cummins X15 engine delivering 400 horsepower, this truck is designed to tackle demanding routes with ease. The Eaton Fuller 12-speed Endurant transmission ensures smooth shifting and optimal performance, making it well-suited for long hauls and heavy loads. With a GVWR of 53,200 lbs, this vehicle is ideal for various applications in the transportation industry, providing the strength and durability you expect from Peterbilt. With an odometer reading of 498,357 miles, this used truck has proven its reliability on the road. The sleek design and comfortable cab make it a great choice for drivers who value both style and functionality. Don’t miss out on this opportunity to enhance your fleet with a dependable Peterbilt. Visit Rush Truck Centers – Jacksonville today to learn more about this exceptional vehicle and schedule a test drive. Your next journey starts here!
2021 Peterbilt 579 · 498,357 mi
Est. monthly
$953.69
Pre-tax purchase price
$4,990
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
$45,410
Total interest
$11,812
Total cost
$62,212
Effective / month
$953.69
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
−12% vs. comp median
Active listings
244