
VIN 1XPBD49X6MD738662 · Stock #rush-585635
Miles
440,169 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 52,000 lbs. The odometer shows 440,169 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
Dallas, TX
Asking
$53,900
Dallas, TX
Asking price over time
1 dealer-initiated drop · total −$5,997 (10.0%)
Asking now
$53,900
Initial ask
$59,897
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 52,000 lbs. The odometer shows 440,169 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.
For sale: a 2021 Peterbilt 579 Day Cab with **Cummins X15 400HP** engine and an **Endurant 12-Speed Transmission**—perfect for maximizing performance and fuel efficiency. With **440,169 miles** on the odometer, this truck has been well-maintained and is ready to hit the road. This Peterbilt comes equipped with **10 brand new virgin tires** and **10 new aluminum wheels**, offering optimal traction and a sleek, modern look. It has been **Federal DOT inspected** and passed with flying colors, ensuring it meets all safety standards. Plus, it has had a full **PM service** and a complete emissions system check, meaning it's compliant and ready for emissions regulations. Whether you're looking to add to your fleet or need a reliable truck for your next job, this Peterbilt 579 delivers on both power and dependability. Located at **Rush Truck Centers in Dallas, TX**, you can trust you're purchasing from a reputable dealer. Don’t miss your chance to own this well-maintained and high-performing truck! Contact Rush Truck Centers today for pricing and more information. Drive confidently, knowing this Peterbilt 579 is built to keep you moving.
2021 Peterbilt 579 · 440,169 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
244