Choose the Peterbilt 579 for OTR driver comfort — its 80" sleeper options exceed the Kenworth T680's 76" maximum.
| Spec | Kenworth T680 927 available · from $18,000 | Peterbilt 579 1489 available · from $19,999 |
|---|---|---|
| Engine Options | ||
| Engine options | PACCAR MX-13, PACCAR MX-11 | PACCAR MX-13, PACCAR MX-11 |
| Horsepower range | 355–510 hp | 355–510 hp |
| Peak torque | 1,850 lb-ft | 1,850 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | — |
| GCWR | — | — |
| Transmission Options | ||
| Transmissions | PACCAR Automated Transmission, PACCAR TX-18 | PACCAR 12-Speed Automated Transmission |
| Dimensions | ||
| Wheelbase options | 0 options (undefined"–undefined") | 0 options (undefined"–undefined") |
| Sleeper sizes | ||
Choose the Peterbilt 579 for OTR driver comfort — its 80" sleeper options exceed the Kenworth T680's 76" maximum.
Both the Kenworth T680 and Peterbilt 579 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 579 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 579 tops out at 510 hp / 1850 lb-ft. GVWR is similar lbs for the Kenworth T680 and similar lbs for the Peterbilt 579.
TruckRadar has 2,416 Kenworth T680 and Peterbilt 579 trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| 52", 76" |
| 80" |
| Pricing (estimated) |
| Base MSRP range | — | $135,000–$185,000 |