
VIN 1XPBD49X3MD739106 · Stock #rush-612759
Miles
488,504 mi
Year
2021
Engine
Cummins X15
Horsepower
400 HP
Transmission
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 manual transmission. The chassis features a 186-inch wheelbase, and a gross vehicle weight rating of 52,000 lbs. The odometer shows 488,504 miles, and the unit is offered in fair condition. The current asking price is $55,655, 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
Fort Worth, TX
Asking
$55,655
Fort Worth, TX
Asking price over time
1 dealer-initiated drop · total −$4,244 (7.1%)
Asking now
$55,655
Initial ask
$59,899
Comp median
$55,400
Days listed
87
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 manual transmission. The chassis features a 186-inch wheelbase, and a gross vehicle weight rating of 52,000 lbs. The odometer shows 488,504 miles, and the unit is offered in fair condition. The current asking price is $55,655, 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.
Introducing the 2021 Peterbilt 579, a robust and reliable day cab that combines performance with comfort. Powered by a Cummins X15 engine delivering 400 horsepower, this truck is designed to tackle demanding routes with ease. The Eaton Fuller 12-speed transmission ensures smooth gear shifts, making it well-suited for long hauls and heavy-duty applications. With a GVWR of 52,000 pounds, this vehicle can handle substantial loads, making it ideal for various transportation needs. Having logged 488,504 miles, this used Peterbilt 579 has proven its durability and efficiency on the road. Its sleek design and advanced engineering reflect Peterbilt's commitment to quality and innovation, ensuring you get a dependable partner for your business. This vehicle has recently seen a price reduction, making it an even more attractive option for those in the market for a dependable truck. Visit Rush Truck Centers – Fort Worth today to explore this exceptional Peterbilt 579 and discover how it can enhance your fleet. Our knowledgeable team is here to assist you in finding the perfect vehicle for your needs.
2021 Peterbilt 579 · 488,504 mi
Est. monthly
$1,062.47
Pre-tax purchase price
$5,566
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
$50,590
Total interest
$13,159
Total cost
$69,314
Effective / month
$1,062.47
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
−2% vs. comp median
Active listings
244