Year
2026
Engine
Cummins X15
Horsepower
450 HP
Transmission
Automated Manual
Axle Config
6x4
Fuel
Diesel
This 2026 Peterbilt 579 is a used Class 8 commercial truck, listed in the Sleeper Truck category. The cab includes a 80-inch sleeper. The truck is powered by a 450-horsepower Cummins X15 diesel engine, paired with a 12-speed automated manual transmission. The chassis features a 235-inch wheelbase, and a gross vehicle weight rating of 53,200 lbs. The unit is offered in new condition as reported by the selling dealer. The current asking price is $179,500, 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. This listing was sourced from the dealer's active inventory feed and reflects the stock availability and specifications at the time of the most recent data synchronization.
Rush Truck Centers
Asking
$179,500

VIN 1XPBD49X3TD802235 · Stock #rush-629719
Asking price over time
1 dealer-initiated drop · total −$2,000 (1.1%)
Asking now
$179,500
Initial ask
$181,500
Comp median
$183,500
Days listed
25
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.
2026 Peterbilt 579 — get instant answers about specs, inspection tips, or comparisons.
This 2026 Peterbilt 579 is a used Class 8 commercial truck, listed in the Sleeper Truck category. The cab includes a 80-inch sleeper. The truck is powered by a 450-horsepower Cummins X15 diesel engine, paired with a 12-speed automated manual transmission. The chassis features a 235-inch wheelbase, and a gross vehicle weight rating of 53,200 lbs. The unit is offered in new condition as reported by the selling dealer. The current asking price is $179,500, 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. This listing was sourced from the dealer's active inventory feed and reflects the stock availability and specifications at the time of the most recent data synchronization.
Introducing the 2026 Peterbilt 579, a powerful and efficient addition to your fleet. This new model is equipped with a robust Cummins X15 engine, delivering an impressive 450 horsepower, ensuring you have the strength needed for demanding hauls. The 12-speed Endurant transmission from Fuller provides smooth shifting and optimal performance on the road. With a GVWR of 53,200 lbs, this sleeper cab is well-suited for long-distance trucking, offering both comfort and capability for those extended journeys. The spacious 80-inch sleeper provides a restful retreat during breaks, making it ideal for drivers who spend significant time on the road. Experience the reliability and innovation that Peterbilt is known for. Visit Rush Truck Centers – Denver today to learn more about this exceptional vehicle and how it can enhance your operations. Our team is ready to assist you in finding the perfect fit for your needs.
2026 Peterbilt 579
Est. monthly
$3,403.35
Pre-tax purchase price
$17,950
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
$162,050
Total interest
$42,151
Total cost
$222,151
Effective / month
$3,403.35
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
2026 Peterbilt 579 X15
Median Price
$188,900
This listing
−5% vs. comp median
Active listings
25