Choose the Western Star 57X for OTR driver comfort — its 72" sleeper options exceed the Mack Pinnacle's 70" maximum.
| Spec | Mack Pinnacle 296 available · from $21,995 | Western Star 57X 372 available · from $17,950 |
|---|---|---|
| Engine Options | ||
| Engine options | Cummins Westport ISX12 G, Mack MP7, Mack MP8, Mack MP8HE | Detroit DD16, Detroit DD13 Gen 5, Detroit DD15 Gen 5 |
| Horsepower range | NaN–NaN hp | 370–600 hp |
| Peak torque | — | 2,050 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | — |
| GCWR | — | — |
| Transmission Options | ||
| Transmissions | Mack mDRIVE, Mack mDRIVE HD, Mack Maxitorque ES T300 | Detroit DT12 Direct and Overdrive AMT |
| Dimensions | ||
| Wheelbase options | 0 options (undefined"–undefined") | 0 options (undefined"–undefined") |
Choose the Western Star 57X for OTR driver comfort — its 72" sleeper options exceed the Mack Pinnacle's 70" maximum.
Both the Mack Pinnacle 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 Pinnacle 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 Pinnacle tops out at NaN hp / NaN lb-ft torque. The Western Star 57X tops out at 600 hp / 2050 lb-ft. GVWR is similar lbs for the Mack Pinnacle and similar lbs for the Western Star 57X.
TruckRadar has 668 Mack Pinnacle and Western Star 57X trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes |
| 48", 70" |
| 60", 72" |
| Pricing (estimated) |
| Base MSRP range | — | — |