Choose the Western Star 49X for OTR driver comfort — its 86" sleeper options exceed the Western Star 57X's 72" maximum. The Western Star 57X offers more peak power (600 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Western Star 49X 103 available · from $69,900 | Western Star 57X 255 available · from $19,500 |
|---|---|---|
| Engine Options | ||
| Engine options | Detroit DD15, Detroit DD13 | Detroit DD16, Detroit DD13 Gen 5, Detroit DD15 Gen 5 |
| Horsepower range | 350–505 hp | 370–600 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 | Detroit DT12 Automated 12-speed, Eaton Fuller 18-speed, Eaton Fuller 13-speed | Detroit DT12 Direct and Overdrive AMT |
| Dimensions | ||
| Wheelbase options | 5 options (230"–270") | 0 options (undefined"–undefined") |
Choose the Western Star 49X for OTR driver comfort — its 86" sleeper options exceed the Western Star 57X's 72" maximum. The Western Star 57X offers more peak power (600 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
Both the Western Star 49X 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 49X 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 49X tops out at 505 hp / 1850 lb-ft torque. The Western Star 57X tops out at 600 hp / 2050 lb-ft. GVWR is 80,000 lbs for the Western Star 49X and similar lbs for the Western Star 57X.
TruckRadar has 358 Western Star 49X and Western Star 57X trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes | 48", 60", 72", 86" | 60", 72" |
| Pricing (estimated) |
| Base MSRP range | $150,000–$210,000 | — |