Choose the Western Star 4900 for OTR driver comfort — its 82" sleeper options exceed the Freightliner 108SD's 0" maximum. The Western Star 4900 offers more peak power (600 hp vs 380 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Freightliner 108SD 16 available · from $51,649 | Western Star 4900 32 available · from $19,500 |
|---|---|---|
| Engine Options | ||
| Engine options | Cummins L9, Detroit DD8, Cummins B6.7 | Detroit DD16, Cummins ISX15, Detroit DD13, Detroit DD15, Detroit Series 60 Tier III |
| Horsepower range | 220–380 hp | 350–600 hp |
| Peak torque | 1,250 lb-ft | 2,050 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | — |
| GCWR | — | — |
| Transmission Options | ||
| Transmissions | Eaton Fuller, Eaton Fuller, Allison 2000 Series, Allison 3000 Series | — |
| Dimensions | ||
| Wheelbase options | 3 options (108"–156") | 1 options (448"–448") |
Choose the Western Star 4900 for OTR driver comfort — its 82" sleeper options exceed the Freightliner 108SD's 0" maximum. The Western Star 4900 offers more peak power (600 hp vs 380 hp), giving it an edge for heavy-haul and mountainous routes.
Both the Freightliner 108SD 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 Freightliner 108SD is built by Freightliner 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 Freightliner 108SD tops out at 380 hp / 1250 lb-ft torque. The Western Star 4900 tops out at 600 hp / 2050 lb-ft. GVWR is similar lbs for the Freightliner 108SD and similar lbs for the Western Star 4900.
TruckRadar has 48 Freightliner 108SD and Western Star 4900 trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes |
| — |
| 34", 40", 54", 68", 82" |
| Pricing (estimated) |
| Base MSRP range | — | — |