Choose the Peterbilt 389 for OTR driver comfort — its 78" sleeper options exceed the Freightliner 108SD's 0" maximum. The Freightliner 108SD offers more peak power (380 hp vs 0 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Freightliner 108SD 22 available · from $51,649 | Peterbilt 389 286 available · from $46,950 |
|---|---|---|
| Engine Options | ||
| Engine options | Cummins L9, Detroit DD8, Cummins B6.7 | — |
| Horsepower range | 220–380 hp | — |
| Peak torque | 1,250 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") | 0 options (undefined"–undefined") |
| Sleeper sizes | — | |
Choose the Peterbilt 389 for OTR driver comfort — its 78" sleeper options exceed the Freightliner 108SD's 0" maximum. The Freightliner 108SD offers more peak power (380 hp vs 0 hp), giving it an edge for heavy-haul and mountainous routes.
Both the Freightliner 108SD and Peterbilt 389 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 Peterbilt 389 is built by Peterbilt. 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 Peterbilt 389 tops out at 0 hp / 0 lb-ft. GVWR is similar lbs for the Freightliner 108SD and similar lbs for the Peterbilt 389.
TruckRadar has 308 Freightliner 108SD and Peterbilt 389 trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| 72", 78" |
| Pricing (estimated) |
| Base MSRP range | — | $155,000–$215,000 |