2026 Western Star 49X

$199,990

NewClass 8Sleeper Truck

Missoula, MT

Miles

2,414 mi

Year

2026

Engine

Detroit DD15

Horsepower

505 HP

Transmission

Automated Manual

Axle Config

6x4

Specifications

Engine

Make: Detroit
Model: DD15
HP: 505
Displacement: 14.8L
Fuel: Diesel

Drivetrain

Transmission: Automated Manual

Dealer

I-State Truck Centers

Missoula, MT

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2026 Western Star 49X

$199,990

NewClass 8Sleeper Truck

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Chassis

Wheelbase: 250"
GVWR: 80,000 lbs
Front Axle: 13,300 lbs
Rear Axle: 46,000 lbs
Suspension: Air Ride

Sleeper

Size: 72"
Type: Mid Roof

Details

Mileage: 2,414 mi
Body Type: Truck-Tractor

VIN

5KJJBWDR1TLWM7359

NHTSA Verified

Stock #

istate-16386315

Dealer

I-State Truck Centers

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Market Index

2026 Western Star 49X DD15

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Median Price

$201,945

This listing

Near market median

Active listings

Specifications

Engine

Make: Detroit
Model: DD15
HP: 505
Displacement: 14.8L
Fuel: Diesel

Drivetrain

Transmission: Automated Manual
Trans. Model: Detroit DT12
Speeds: 12
Axle Config: 6x4
Rear Ratio: 3.07

Chassis

Wheelbase: 250"
GVWR: 80,000 lbs
Front Axle: 13,300 lbs
Rear Axle: 46,000 lbs
Suspension: Air Ride

Sleeper

Size: 72"
Type: Mid Roof

Details

Mileage: 2,414 mi
Body Type: Truck-Tractor

Finance calculator

2026 Western Star 49X · 2,414 mi

Est. monthly

$3,790.65

Vehicle price

Pre-tax purchase price

Term (months)

Down payment (10%)

$19,999

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

$180,491

Total interest

$46,948

Total cost

$247,438

Effective / month

$3,790.65

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.