Miles
432,998 mi
Year
2021
Engine
PACCAR MX/MX-13
Horsepower
510 HP
Transmission
Manual
Axle Config
6x4
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Knoxville, TN
VIN
1XKYDP9X0MJ439316
NHTSA VerifiedStock #
worldwide-17767246
Dealer
"Worldwide
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2021 Kenworth T680 · 432,998 mi
Est. monthly
$821.38
Pre-tax purchase price
$4,290
Owner-ops: 10–20% typical
Prime 7–9% · Median 9–12% · Subprime 14%+
Deducted from financed amount
Drives Federal Excise Tax (FET)
Skip if straight truck under 33k GVWR or trailer under 26k GVWR.
Off — used vehicles are exempt
$0
Often 0% for interstate commercial use
Some states cap (CA $85, NY $75)
State title + lien fee
Lowers monthly; paid as lump at term
Amount financed
$39,110
Total interest
$10,173
Total cost
$53,573
Effective / month
$821.38
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.
Apr 15, 2026
$42,900
Mar 4, 2026
$46,900
Feb 24, 2026
$46,900
Market Index
2021 Kenworth T680 MX/MX-13
Median Price
$40,200
This listing
7% above market median
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