Year
2026
Engine
Cummins X15
Horsepower
450 HP
Axle Config
6x4
Fuel
Diesel
This 2026 Kenworth T680 is a used Class 8 commercial truck. It is available for immediate purchase through the listing dealer. The truck is powered by a 450-horsepower Cummins X15 diesel engine. The unit is offered in used condition as reported by the selling dealer. The current asking price is $180,486, representing the dealer's current asking price. This truck is currently offered by MHC Kenworth, located in Knoxville, TN. Interested parties should contact the dealer directly to verify availability, confirm specifications, and arrange an on-site inspection before purchase. All specifications, odometer readings, and pricing information are provided by the selling dealer and should be independently verified prior to purchase. This listing was sourced from the dealer's active inventory feed and reflects the stock availability and specifications at the time of the most recent data synchronization.
MHC Kenworth
Knoxville, TN
Asking
$180,486
VIN 1XKYD49X2TJ225182 · Stock #mhc-0615416
Knoxville, TN
2026 Kenworth T680 — get instant answers about specs, inspection tips, or comparisons.
This 2026 Kenworth T680 is a used Class 8 commercial truck. It is available for immediate purchase through the listing dealer. The truck is powered by a 450-horsepower Cummins X15 diesel engine. The unit is offered in used condition as reported by the selling dealer. The current asking price is $180,486, representing the dealer's current asking price. This truck is currently offered by MHC Kenworth, located in Knoxville, TN. Interested parties should contact the dealer directly to verify availability, confirm specifications, and arrange an on-site inspection before purchase. All specifications, odometer readings, and pricing information are provided by the selling dealer and should be independently verified prior to purchase. This listing was sourced from the dealer's active inventory feed and reflects the stock availability and specifications at the time of the most recent data synchronization.
2026 Kenworth T680
Est. monthly
$3,421.99
Pre-tax purchase price
$18,049
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
$162,937
Total interest
$42,382
Total cost
$223,368
Effective / month
$3,421.99
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.
Market Index
2026 Kenworth T680 X15
Median Price
$190,883
This listing
−5% vs. comp median
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