Choose the Western Star 57X for OTR driver comfort — its 72" sleeper options exceed the Mack Granite's 0" 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 | Mack Granite 231 available · from $36,000 | Western Star 57X 255 available · from $19,500 |
|---|---|---|
| Engine Options | ||
| Engine options | Mack MP8, Mack MP7, Cummins L9N | Detroit DD16, Detroit DD13 Gen 5, Detroit DD15 Gen 5 |
| Horsepower range | NaN–505 hp | 370–600 hp |
| Peak torque | 1,850 lb-ft | 2,050 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | — |
| GCWR | — | — |
| Transmission Options | ||
| Transmissions | Mack mDRIVE HD | Detroit DT12 Direct and Overdrive AMT |
| Dimensions | ||
| Wheelbase options | 0 options (undefined"–undefined") | 0 options (undefined"–undefined") |
| Sleeper sizes | ||
Choose the Western Star 57X for OTR driver comfort — its 72" sleeper options exceed the Mack Granite's 0" 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 Mack Granite 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 Mack Granite is built by Mack 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 Mack Granite tops out at 505 hp / 1850 lb-ft torque. The Western Star 57X tops out at 600 hp / 2050 lb-ft. GVWR is similar lbs for the Mack Granite and similar lbs for the Western Star 57X.
TruckRadar has 486 Mack Granite and Western Star 57X trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| — |
| 60", 72" |
| Pricing (estimated) |
| Base MSRP range | — | — |