Choose the Western Star 4900 for OTR driver comfort — its 82" sleeper options exceed the Mack Pinnacle's 70" maximum. The Western Star 4900 offers more peak power (600 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Mack Pinnacle 92 available · from $14,850 | Western Star 4900 32 available · from $19,500 |
|---|---|---|
| Engine Options | ||
| Engine options | Mack MP8, Mack MP7, Mack MP8HE | Detroit DD16, Cummins ISX15, Detroit DD13, Detroit DD15, Detroit Series 60 Tier III |
| Horsepower range | 325–505 hp | 350–600 hp |
| Peak torque | 1,860 lb-ft | 2,050 lb-ft |
| Weight Ratings | ||
| GVWR (max) | 80,000 lbs | — |
| GCWR | 220,000 lbs | — |
| Transmission Options | ||
| Transmissions | mDRIVE 12-speed Automated, Eaton Fuller 10-speed, mDRIVE HD 14-speed Automated | — |
| Dimensions | ||
| Wheelbase options | 5 options (197"–255") | 1 options (448"–448") |
Choose the Western Star 4900 for OTR driver comfort — its 82" sleeper options exceed the Mack Pinnacle's 70" maximum. The Western Star 4900 offers more peak power (600 hp vs 505 hp), giving it an edge for heavy-haul and mountainous routes.
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 505 hp / 1860 lb-ft torque. The Western Star 4900 tops out at 600 hp / 2050 lb-ft. GVWR is 80,000 lbs for the Mack Pinnacle and similar lbs for the Western Star 4900.
TruckRadar has 124 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", 65", 70" | 34", 40", 54", 68", 82" |
| Pricing (estimated) |
| Base MSRP range | $130,000–$175,000 | — |