Miles
374,999 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 80,000 lbs. The odometer shows 374,999 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.
Rush Truck Centers
Austin, TX
Asking
$56,900

VIN 1XPBD49X2MD738657 · Stock #rush-625578
Austin, TX
Asking price over time
1 dealer-initiated drop · total −$7,497 (11.6%)
Asking now
$56,900
Initial ask
$64,397
Comp median
$54,900
Days listed
101
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 80,000 lbs. The odometer shows 374,999 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.
2021 Peterbilt 579 with a Cummins X15 400 HP engine and Eaton Fuller 12-speed Endurant transmission – the perfect truck for local and regional deliveries. Built for reliability and efficiency, this truck offers smooth power, excellent fuel economy, and a comfortable, ergonomic cab. Its aerodynamic design helps reduce fuel consumption, while the automated transmission ensures precise gear shifting for optimal performance on both city streets and highway runs. Whether you're hauling in urban areas or covering regional routes, the Peterbilt 579 delivers the power and efficiency you need to keep your business moving forward.
2021 Peterbilt 579 · 374,999 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
231