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1 / 292021 Kenworth T680
$49,950UsedClass 8
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Conyers, GA
1 / 29Year
2021
Engine
Cummins X15
Horsepower
400 HP
Transmission
Manual
Axle Config
6x4
Fuel
Diesel
MHC Kenworth
Conyers, GA
VIN
1XKYD49X2MJ435492
NHTSA VerifiedStock #
mhc-0618059
Dealer
MHC Kenworth
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2021 Kenworth T680
Est. monthly
$954.64
Pre-tax purchase price
$4,995
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
$45,455
Total interest
$11,823
Total cost
$62,273
Effective / month
$954.64
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.
Mar 6, 2026
$49,950
Mar 4, 2026
$51,950
Feb 25, 2026
$49,950
Market Index
2021 Kenworth T680 X15
Median Price
$54,900
This listing
9% below market median
Active listings
65