2025 Mack MD

$73,955

UsedClass 6Cab & Chassis

TUCSON, AZ

Miles

51 mi

Year

2025

Engine

Cummins ISB6.7-300

Horsepower

235 HP

Transmission

Automated Manual

Axle Config

4x2

Specifications

Engine

Make: Cummins
Model: ISB6.7-300
HP: 235
Displacement: 6.7L
Fuel: Diesel

Drivetrain

Transmission: Automated Manual

Dealer

"Vanguard

TUCSON, AZ

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2025 Mack MD

$73,955

UsedClass 6Cab & Chassis

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TUCSON, AZ

Chassis

Wheelbase: 221"
GVWR: 26,000 lbs

Details

Mileage: 51 mi
Body Type: Truck

VIN

1M2MDBAA6SS014867

NHTSA Verified

Stock #

vanguard-1205014

Dealer

"Vanguard

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Market Index

2025 Mack MD ISB6.7-300

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Median Price

$73,955

This listing

Near market median

Active listings

Specifications

Engine

Make: Cummins
Model: ISB6.7-300
HP: 235
Displacement: 6.7L
Fuel: Diesel

Drivetrain

Transmission: Automated Manual
Axle Config: 4x2
Rear Ratio: 5.57

Chassis

Wheelbase: 221"
GVWR: 26,000 lbs

Details

Mileage: 51 mi
Body Type: Truck

Finance calculator

2025 Mack MD · 51 mi

Est. monthly

$1,408.37

Vehicle price

Pre-tax purchase price

Term (months)

Down payment (10%)

$7,396

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

$67,060

Total interest

$17,443

Total cost

$91,898

Effective / month

$1,408.37

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.