Year
2026
Engine
Cummins X15
Horsepower
500 HP
Transmission
Manual
Axle Config
6x4
Fuel
Diesel
When Efficiency Meets Comfort! The 2026 Peterbilt Model 579 UltraLoft is engineered with advanced aerodynamics and sleek styling, offering exceptional performance and fuel efficiency for budget-savvy operators. Powered by a robust 500 HP Cummins X15 engine and equipped with an Eaton automated Endurant 12-speed transmission, this truck ensures smooth handling, reduced driver fatigue, and unmatched reliability on the road. Key Features: • 7" Infotainment Display: Apple Carplay • 80" Double Bunk UltraLoft Platinum Interior Sleeper: Ideal for long hauls, complete with a refrigerator, tons of storage, sleeper walkthrough Curtain, and a work station • Peterbilt Flex Air Suspension: For a smoother, more stable ride • FlowBelow: Mudflap Hangers and Tandem Rear Axle Aero Fairings • Comfort-First Cab: Spacious and quiet with dual high-back seats, power windows and locks, and a fully adjustable multi-function steering wheel With flexible financing options and delivery available, now’s the time to add this versatile powerhouse to your fleet. Contact us or visit any Rush Truck Center location today!
Rush Truck Centers
1 / 25VIN
1XPBD49X5TD785437
NHTSA VerifiedStock #
rush-617218
Dealer
Rush Truck Centers
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When Efficiency Meets Comfort! The 2026 Peterbilt Model 579 UltraLoft is engineered with advanced aerodynamics and sleek styling, offering exceptional performance and fuel efficiency for budget-savvy operators. Powered by a robust 500 HP Cummins X15 engine and equipped with an Eaton automated Endurant 12-speed transmission, this truck ensures smooth handling, reduced driver fatigue, and unmatched reliability on the road. Key Features: • 7" Infotainment Display: Apple Carplay • 80" Double Bunk UltraLoft Platinum Interior Sleeper: Ideal for long hauls, complete with a refrigerator, tons of storage, sleeper walkthrough Curtain, and a work station • Peterbilt Flex Air Suspension: For a smoother, more stable ride • FlowBelow: Mudflap Hangers and Tandem Rear Axle Aero Fairings • Comfort-First Cab: Spacious and quiet with dual high-back seats, power windows and locks, and a fully adjustable multi-function steering wheel With flexible financing options and delivery available, now’s the time to add this versatile powerhouse to your fleet. Contact us or visit any Rush Truck Center location today!
2026 Peterbilt 579
Est. monthly
$3,675.54
Pre-tax purchase price
$19,390
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
$175,010
Total interest
$45,522
Total cost
$239,922
Effective / month
$3,675.54
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
$189,950
This listing
Near market median
Active listings
32