Year
2021
Engine
Cummins X15
Horsepower
450 HP
Transmission
Automatic
Axle Config
6x4
Fuel
Diesel
"JX
Bolingbrook, IL
1 / 6VIN
1XKYD49X7MJ456564
NHTSA VerifiedStock #
jx-8679931
Dealer
"JX
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2021 Kenworth T680
Est. monthly
$1,048.20
Pre-tax purchase price
$5,490
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
$49,910
Total interest
$12,982
Total cost
$68,382
Effective / month
$1,048.20
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 4, 2026
$54,900
Feb 24, 2026
$54,900
Market Index
2021 Kenworth T680 X15
Median Price
$54,900
This listing
Near market median
Active listings
65