Choose the Western Star 49X for OTR driver comfort — its 86" sleeper options exceed the Kenworth T680's 76" maximum. The Kenworth T680 offers more peak power (510 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Kenworth T680 947 available · from $14,999 | Western Star 49X 103 available · from $69,900 |
|---|---|---|
| Engine Options | ||
| Engine options | PACCAR MX-13, PACCAR MX-11 | Detroit DD15, Detroit DD13 |
| Horsepower range | 355–510 hp | 350–505 hp |
| Peak torque | 1,850 lb-ft | 1,850 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | 80,000 lbs |
| GCWR | — | 250,000 lbs |
| Transmission Options | ||
| Transmissions | PACCAR Automated Transmission, PACCAR TX-18 | Detroit DT12 Automated 12-speed, Eaton Fuller 18-speed, Eaton Fuller 13-speed |
| Dimensions | ||
| Wheelbase options | 0 options (undefined"–undefined") | 5 options (230"–270") |
Choose the Western Star 49X for OTR driver comfort — its 86" sleeper options exceed the Kenworth T680's 76" maximum. The Kenworth T680 offers more peak power (510 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
Both the Kenworth T680 and Western Star 49X 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 Western Star 49X is built by Western Star. 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 Western Star 49X tops out at 505 hp / 1850 lb-ft. GVWR is similar lbs for the Kenworth T680 and 80,000 lbs for the Western Star 49X.
TruckRadar has 1,050 Kenworth T680 and Western Star 49X trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes |
| 52", 76" |
| 48", 60", 72", 86" |
| Pricing (estimated) |
| Base MSRP range | — | $150,000–$210,000 |