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Average Score
Average Score
The International LT typically comes in $10,000-$20,000 less than a comparably equipped T680. For fleet buyers purchasing 50+ units, this price advantage is significant and impacts ROI calculations.
The T680 edges out the LT in real-world fuel economy by approximately 0.3-0.5 MPG. Over 120,000 miles annually, this translates to roughly $3,000-$5,000 in fuel savings that partially offsets the higher purchase price.
The International LT's Diamond Logic electrical system and next-gen digital dash are among the most advanced in Class 8 trucking. The T680 has a solid but less cutting-edge technology package.
The T680's PACCAR MX engine has a strong reputation for low maintenance costs and extended service intervals. International's Cummins-powered LT is reliable but historically has slightly higher per-mile maintenance costs.
Kenworth carries more prestige among drivers, and the T680 is well-regarded for ride quality. The International LT has improved dramatically but still faces some brand perception challenges among experienced drivers.
| Category | International LT | Kenworth T680 | Leader |
|---|---|---|---|
| Purchase Price | 88 | 72 | International LT |
| Fuel Economy | 82 | 88 | Kenworth T680 |
| Cab Technology | 85 | 80 | International LT |
| Maintenance Cost | 78 | 84 | Kenworth T680 |
| Driver Acceptance | 76 | 86 | Kenworth T680 |
| Overall Average | 82 | 82 | Tie |
The Kenworth T680 wins on total cost of ownership when you factor in fuel savings, maintenance costs, and stronger resale value. The PACCAR MX engine and Kenworth's premium build quality justify the higher initial investment over the life of the truck.
The International LT wins on initial purchase price and technology features. For budget-conscious fleets that prioritize upfront savings and want advanced in-cab technology, the LT delivers excellent value.
The T680 is the better long-term investment. The LT is the better short-term deal.
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Published March 25, 2026