Choose the Peterbilt 589 for OTR driver comfort — its 80" sleeper options exceed the Kenworth T680's 76" maximum. The Peterbilt 589 offers more peak power (605 hp vs 510 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Kenworth T680 793 available · from $19,999 | Peterbilt 589 257 available · from $150,000 |
|---|---|---|
| Engine Options | ||
| Engine options | PACCAR MX-13, PACCAR MX-11 | PACCAR MX-13, Cummins X15 |
| Horsepower range | 355–510 hp | 400–605 hp |
| Peak torque | 1,850 lb-ft | 2,050 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | 80,000 lbs |
| GCWR | — | 250,000 lbs |
| Transmission Options | ||
| Transmissions | PACCAR Automated Transmission, PACCAR TX-18 | Eaton Fuller 18-speed, PACCAR Automated 12-speed (TX-12), Eaton Endurant HD 12-speed |
| Dimensions | ||
| Wheelbase options | 0 options (undefined"–undefined") | 3 options (265"–295") |
Choose the Peterbilt 589 for OTR driver comfort — its 80" sleeper options exceed the Kenworth T680's 76" maximum. The Peterbilt 589 offers more peak power (605 hp vs 510 hp), giving it an edge for heavy-haul and mountainous routes.
Both the Kenworth T680 and Peterbilt 589 hold strong resale value among owner-operators and fleets. Resale depends heavily on mileage, maintenance history, and regional demand — not OEM brand alone. Check current listings on TruckRadar for real-world asking prices.
No. The Kenworth T680 is built by Kenworth and the Peterbilt 589 is built by Peterbilt. Both are Class 8 conventional tractors but differ in powertrain options, cab dimensions, dealer networks, and MSRP.
The Kenworth T680 tops out at 510 hp / 1850 lb-ft torque. The Peterbilt 589 tops out at 605 hp / 2050 lb-ft. GVWR is similar lbs for the Kenworth T680 and 80,000 lbs for the Peterbilt 589.
TruckRadar has 1,050 Kenworth T680 and Peterbilt 589 trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes | 52", 76" | 44", 58", 72", 80" |
| Pricing (estimated) |
| Base MSRP range | — | $180,000–$235,000 |