2021 Peterbilt 579

$67,375

UsedClass 8Sleeper Truck

Los Angeles, CA

Miles

409,861 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, 409,865 Miles, Stock # 1389649 Experience comfort, power, and efficiency with this 2021 Peterbilt 5679, built for drivers who demand more from every mile. Equipped with a PACCAR MX-13 engine delivering 450 horsepower and paired with a smooth Endurant 12-speed transmission, it offers both strength and fuel economy for long hauls. The 80” high roof sleeper creates a spacious, comfortable environment for life on the road. Added conveniences include a refrigerator, tilt and telescopic steering wheel, and power windows, locks, and mirrors. A true blend of performance and comfort.

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: 409,861 mi
Body Type: Truck-Tractor

VIN

1XPBDP9X8MD742861

NHTSA Verified

Stock #

rush-622980

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: 409,861 mi
Body Type: Truck-Tractor

Description

Features

RefrigeratorPower Windows

Finance calculator

2021 Peterbilt 579 · 409,861 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

Features

Finance calculator

Price History

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