Choose the Western Star 4900 for OTR driver comfort — its 82" sleeper options exceed the Western Star 57X's 72" maximum.
| Spec | Western Star 4900 41 available · from $19,500 | Western Star 57X 372 available · from $17,950 |
|---|---|---|
| Engine Options | ||
| Engine options | Detroit DD16, Cummins ISX15, Detroit DD13, Detroit DD15, Detroit Series 60 Tier III | Detroit DD16, Detroit DD13 Gen 5, Detroit DD15 Gen 5 |
| Horsepower range | 350–600 hp | 370–600 hp |
| Peak torque | 2,050 lb-ft | 2,050 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | — |
| GCWR | — | — |
| Transmission Options | ||
| Transmissions | — | Detroit DT12 Direct and Overdrive AMT |
| Dimensions | ||
| Wheelbase options | 1 options (448"–448") | 0 options (undefined"–undefined") |
Choose the Western Star 4900 for OTR driver comfort — its 82" sleeper options exceed the Western Star 57X's 72" maximum.
Both the Western Star 4900 and Western Star 57X 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 Western Star 4900 is built by Western Star and the Western Star 57X is built by Western Star. Both are Class 8 conventional tractors but differ in powertrain options, cab dimensions, dealer networks, and MSRP.
The Western Star 4900 tops out at 600 hp / 2050 lb-ft torque. The Western Star 57X tops out at 600 hp / 2050 lb-ft. GVWR is similar lbs for the Western Star 4900 and similar lbs for the Western Star 57X.
TruckRadar has 413 Western Star 4900 and Western Star 57X trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes |
| 34", 40", 54", 68", 82" |
| 60", 72" |
| Pricing (estimated) |
| Base MSRP range | — | — |