2021 Peterbilt 579

$65,500

UsedClass 8Sleeper Truck

Fontana, CA

Miles

178,935 mi

Year

2021

Engine

PACCAR MX-13

Horsepower

455 HP

Transmission

Automated Manual

Axle Config

6x4

Description

2021 Peterbilt 579, PACCAR, MX-13, 455HP, 12 Speed Endurant Transmission, Sleeper,

Specifications

Engine

Make: PACCAR
Model: MX-13
HP: 455
Displacement: 12.9L
Fuel: Diesel

Drivetrain

Transmission: Automated Manual

Dealer

Rush Truck Centers

Fontana, CA

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2021 Peterbilt 579

$65,500

UsedClass 8Sleeper Truck

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Fontana, CA

Chassis

Wheelbase: 225"
GVWR: 52,000 lbs

Equipment

Wheels: Aluminum

Details

Mileage: 178,935 mi
Body Type: Truck-Tractor

VIN

1XPBDP9X3MD742945

NHTSA Verified

Stock #

rush-614808

Dealer

Rush Truck Centers

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Market Index

2021 Peterbilt 579 MX-13

View full index →

Median Price

$57,900

This listing

13% above market median

Active listings

118

Specifications

Engine

Make: PACCAR
Model: MX-13
HP: 455
Displacement: 12.9L
Fuel: Diesel

Drivetrain

Transmission: Automated Manual
Speeds: 12
Axle Config: 6x4
Rear Ratio: 2.67

Chassis

Wheelbase: 225"
GVWR: 52,000 lbs

Sleeper

Size: 72"

Equipment

Wheels: Aluminum

Details

Mileage: 178,935 mi
Body Type: Truck-Tractor

Description

2021 Peterbilt 579, PACCAR, MX-13, 455HP, 12 Speed Endurant Transmission, Sleeper,

Finance calculator

2021 Peterbilt 579 · 178,935 mi

Est. monthly

$1,248.56

Vehicle price

Pre-tax purchase price

Term (months)

Down payment (10%)

$6,550

Owner-ops: 10–20% typical

APR (9.50%)

Prime 7–9% · Median 9–12% · Subprime 14%+

Trade-in value

Deducted from financed amount

Condition

Drives Federal Excise Tax (FET)

Federal Excise Tax (FET)

FET applies$0

Skip if straight truck under 33k GVWR or trailer under 26k GVWR.

Off — used vehicles are exempt

Sales tax (0.00%)

Often 0% for interstate commercial use

Doc fee

Some states cap (CA $85, NY $75)

Title + registration

State title + lien fee

Balloon payment at end

Lowers monthly; paid as lump at term

Apply Section 179 first-year deduction

Heavy trucks (GVWR > 14,000 lbs) qualify for full deduction up to $1,220,000 in 2026. Assumes purchase in service this tax year. Consult a CPA.

Amount financed

$59,450

Total interest

$15,464

Total cost

$81,464

Effective / month

$1,248.56

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.

Price History

Date	Price	Change
Apr 10, 2026	$65,500	-$5,050
Mar 12, 2026	$70,550	+$50
Feb 24, 2026	$70,500	--

Apr 10, 2026

$65,500

-$5,050

Mar 12, 2026

$70,550

+$50

Feb 24, 2026

$70,500

Market Index

2021 Peterbilt 579 MX-13

View full index →

Median Price

$57,900

This listing

13% above market median

Active listings

118

2021 Peterbilt 579

Description

Specifications

Dealer

2021 Peterbilt 579

Specifications

Engine

Drivetrain

Chassis

Sleeper

Equipment

Details

Description

Finance calculator

Price History

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