Year
2026
Engine
Cummins X15
Horsepower
450 HP
Transmission
Manual
Axle Config
6x4
Fuel
Diesel
The Peterbilt Model 579 combines aerodynamics and styling to deliver outstanding performance and efficiency for cost-conscious operators. Powered by a Cummins X15 450 HP engine and backed up by an Eaton Endurant 12-speed transmission, this truck provides ease of operation and less driver fatigue. A spacious 80"Ultraloft sleeper, 2 beds, Prestige level interior featuring the Peterbilt Smartsound insulation package. Includes storage space with cabinets and pocket shelves everywhere you turn. Tilt and telescope steering column, power windows and locks, SIRIUS/XM satellite radio, D4 fuel fired bunk heater, tv mount with 2800 watt inverter, pre-wired for furnished by owner fridge. Truck comes with 3-year towing, 4yr/500,000 mile base, 5yr/600,000 Protection plan plus and 5yr/600,000 mile aftertreatment warranties. Call or come by Rush Truck Center – Nashville and let one of our sales professionals tell you about any of our Model 579s in inventory as well as the great financing options currently available. Delivery available.
Rush Truck Centers
Nashville, TN
1 / 11VIN
1XPBD49X6TD791781
NHTSA VerifiedStock #
rush-615284
Dealer
Rush Truck Centers
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The Peterbilt Model 579 combines aerodynamics and styling to deliver outstanding performance and efficiency for cost-conscious operators. Powered by a Cummins X15 450 HP engine and backed up by an Eaton Endurant 12-speed transmission, this truck provides ease of operation and less driver fatigue. A spacious 80"Ultraloft sleeper, 2 beds, Prestige level interior featuring the Peterbilt Smartsound insulation package. Includes storage space with cabinets and pocket shelves everywhere you turn. Tilt and telescope steering column, power windows and locks, SIRIUS/XM satellite radio, D4 fuel fired bunk heater, tv mount with 2800 watt inverter, pre-wired for furnished by owner fridge. Truck comes with 3-year towing, 4yr/500,000 mile base, 5yr/600,000 Protection plan plus and 5yr/600,000 mile aftertreatment warranties. Call or come by Rush Truck Center – Nashville and let one of our sales professionals tell you about any of our Model 579s in inventory as well as the great financing options currently available. Delivery available.
2026 Peterbilt 579
Est. monthly
$3,600.87
Pre-tax purchase price
$18,995
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
$171,455
Total interest
$44,597
Total cost
$235,047
Effective / month
$3,600.87
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