Choose the Western Star 4900 for OTR driver comfort — its 82" sleeper options exceed the Mack Pinnacle's 70" maximum.
| Spec | Mack Pinnacle 296 available · from $21,995 | Western Star 4900 41 available · from $19,500 |
|---|---|---|
| Engine Options | ||
| Engine options | Cummins Westport ISX12 G, Mack MP7, Mack MP8, Mack MP8HE | Detroit DD16, Cummins ISX15, Detroit DD13, Detroit DD15, Detroit Series 60 Tier III |
| Horsepower range | NaN–NaN hp | 350–600 hp |
| Peak torque | — | 2,050 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | — |
| GCWR | — | — |
| Transmission Options | ||
| Transmissions | Mack mDRIVE, Mack mDRIVE HD, Mack Maxitorque ES T300 | — |
| Dimensions | ||
| Wheelbase options | 0 options (undefined"–undefined") | 1 options (448"–448") |
Choose the Western Star 4900 for OTR driver comfort — its 82" sleeper options exceed the Mack Pinnacle's 70" maximum.
Both the Mack Pinnacle and Western Star 4900 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 4900 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 4900 tops out at 600 hp / 2050 lb-ft. GVWR is similar lbs for the Mack Pinnacle and similar lbs for the Western Star 4900.
TruckRadar has 337 Mack Pinnacle and Western Star 4900 trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes |
| 48", 70" |
| 34", 40", 54", 68", 82" |
| Pricing (estimated) |
| Base MSRP range | — | — |