Miles
396,881 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 396,881 miles, and the unit is offered in fair condition. The current asking price is $58,500, 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
Tucson, AZ
Asking
$58,500

VIN 1XPBD49XXMD754346 · Stock #rush-613505
Tucson, AZ
Asking price over time
4 dealer-initiated drops · total −$500 (0.8%)
Asking now
$58,500
Initial ask
$59,000
Comp median
$52,977
Days listed
185
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 396,881 miles, and the unit is offered in fair condition. The current asking price is $58,500, 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, a robust and reliable day cab designed for the demands of the road. Powered by a Cummins X15 engine, this truck delivers an impressive 400 horsepower, ensuring you have the strength needed for various hauling tasks. The Eaton Fuller 12-speed Endurant transmission provides smooth shifting and enhanced control, making it well-suited for long hauls or local deliveries. With a GVWR of 52,000 pounds, this vehicle is capable of handling substantial loads, making it ideal for those in the freight and logistics industries. With 396,881 miles on the odometer, this used Peterbilt 579 has proven its durability and performance. It’s a great choice for those looking to invest in a dependable truck that can tackle the rigors of daily operations. Don’t miss out on this opportunity to own a quality Peterbilt. Visit Rush Truck Centers – Tucson today to learn more about this exceptional vehicle and schedule a test drive. Your next reliable workhorse awaits!
2021 Peterbilt 579 · 396,881 mi
Est. monthly
$1,116.25
Pre-tax purchase price
$5,850
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
$53,150
Total interest
$13,825
Total cost
$72,825
Effective / month
$1,116.25
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.