2021 Peterbilt 579

$67,375

UsedClass 8Sleeper Truck

Los Angeles, CA

Miles

275,593 mi

Year

2021

Engine

PACCAR MX-13

Horsepower

455 HP

Transmission

Manual

Axle Config

6x4

Description

2021 Peterbilt 579, PACCAR, MX-13, 455HP, PACCAR 12 Speed Transmission, 80" Sleeper, 275,595 Miles, Stock # 1957761 Experience the perfect balance of power and comfort with this 2021 Peterbilt Model 579. Powered by the proven PACCAR MX13 engine and paired with a smooth PACCAR 12-Speed Endurant transmission, this truck is built to take on the miles with ease. The spacious 80” sleeper offers the comfort drivers need on long hauls, making every trip more enjoyable. With Peterbilt’s aerodynamic design, you’ll also appreciate the fuel efficiency and reduced operating costs. Designed for reliability, durability, and driver satisfaction, the 579 is a smart choice for anyone ready to elevate their time on the road.

Specifications

Engine

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

Drivetrain

Transmission: Manual

Dealer

Rush Truck Centers

Los Angeles, CA

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2021 Peterbilt 579

$67,375

UsedClass 8Sleeper Truck

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Los Angeles, CA

Trans. Model

PO-16F112C12

Chassis

Wheelbase: 232"
GVWR: 53,200 lbs
5th Wheel Type: Air Slide

Sleeper

Size: 80"
Type: Raised Roof

Equipment

Wheels: Aluminum

Details

Mileage: 275,593 mi
Body Type: Truck-Tractor

VIN

1XPBDP9X5MD742929

NHTSA Verified

Stock #

rush-626046

Dealer

Rush Truck Centers

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Market Index

2021 Peterbilt 579 MX-13

View full index →

Median Price

$57,900

This listing

16% above market median

Active listings

118

Specifications

Engine

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

Drivetrain

Transmission: Manual
Trans. Make: PACCAR
Trans. Model: PO-16F112C12
Speeds: 12
Axle Config: 6x4
Rear Ratio: 2.64

Chassis

Wheelbase: 232"
GVWR: 53,200 lbs
5th Wheel Type: Air Slide

Sleeper

Size: 80"
Type: Raised Roof

Equipment

Wheels: Aluminum

Details

Mileage: 275,593 mi
Body Type: Truck-Tractor

Description

Finance calculator

2021 Peterbilt 579 · 275,593 mi

Est. monthly

$1,284.00

Vehicle price

Pre-tax purchase price

Term (months)

Down payment (10%)

$6,738

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

$61,138

Total interest

$15,903

Total cost

$83,778

Effective / month

$1,284.00

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 1, 2026	$67,375	-$25
Mar 12, 2026	$67,400	-$25
Feb 24, 2026	$67,425	--

Apr 1, 2026

$67,375

-$25

Mar 12, 2026

$67,400

-$25

Feb 24, 2026

$67,425

Market Index

2021 Peterbilt 579 MX-13

View full index →

Median Price

$57,900

This listing

16% 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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