Miles
388,897 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 388,897 miles, and the unit is offered in fair condition. The current asking price is $59,400, 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
Phoenix, AZ
Asking
$59,400

VIN 1XPBD49X4MD738692 · Stock #rush-613319
Phoenix, AZ
Asking price over time
3 dealer-initiated drops · total −$600 (1.0%)
Asking now
$59,400
Initial ask
$60,000
Comp median
$54,900
Days listed
143
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 388,897 miles, and the unit is offered in fair condition. The current asking price is $59,400, 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 performance with comfort. Powered by a Cummins X15 engine delivering 400 horsepower, this truck is designed to tackle demanding jobs with ease. The Eaton Fuller 12-speed Endurant transmission ensures smooth shifting and optimal fuel efficiency, making it well-suited for long hauls and heavy-duty applications. With a GVWR of 52,000 lbs and an odometer reading of 388,897 miles, this vehicle has proven its durability on the road. The Peterbilt 579 is not just about power; it also offers a comfortable driving experience, making it ideal for those who spend long hours behind the wheel. Its aerodynamic design contributes to improved fuel economy, while the spacious cab provides ample room for the driver. This vehicle has recently seen a price reduction, making it an excellent opportunity for those in the market for a dependable truck. Visit Rush Truck Centers – Phoenix today to learn more about this exceptional Peterbilt 579 and see how it can meet your trucking needs. Our team is ready to assist you in finding the perfect vehicle for your business.
2021 Peterbilt 579 · 388,897 mi
Est. monthly
$1,133.26
Pre-tax purchase price
$5,940
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
$53,960
Total interest
$14,036
Total cost
$73,936
Effective / month
$1,133.26
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
+4% vs. comp median
Active listings
231