Choose the Kenworth T680 for OTR driver comfort — its 76" sleeper options exceed the Peterbilt 520's 0" maximum. The Kenworth T680 offers more peak power (510 hp vs 500 hp), giving it an edge for heavy-haul and mountainous routes.
| Spec | Kenworth T680 947 available · from $14,999 | Peterbilt 520 85 available · from $122,500 |
|---|---|---|
| Engine Options | ||
| Engine options | PACCAR MX-13, PACCAR MX-11 | PACCAR MX-11, Cummins L9, Cummins X12 |
| Horsepower range | 355–510 hp | 260–500 hp |
| Peak torque | 1,850 lb-ft | 1,700 lb-ft |
| Weight Ratings | ||
| GVWR (max) | — | 66,000 lbs |
| GCWR | — | 66,000 lbs |
| Transmission Options | ||
| Transmissions | PACCAR Automated Transmission, PACCAR TX-18 | Allison 4500 RDS, PACCAR Automated 12-speed (TX-12) |
| Dimensions | ||
| Wheelbase options | 0 options (undefined"–undefined") | 4 options (152"–212") |
Choose the Kenworth T680 for OTR driver comfort — its 76" sleeper options exceed the Peterbilt 520's 0" maximum. The Kenworth T680 offers more peak power (510 hp vs 500 hp), giving it an edge for heavy-haul and mountainous routes.
Both the Kenworth T680 and Peterbilt 520 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 Kenworth T680 is built by Kenworth and the Peterbilt 520 is built by Peterbilt. Both are Class 8 conventional tractors but differ in powertrain options, cab dimensions, dealer networks, and MSRP.
The Kenworth T680 tops out at 510 hp / 1850 lb-ft torque. The Peterbilt 520 tops out at 500 hp / 1700 lb-ft. GVWR is similar lbs for the Kenworth T680 and 66,000 lbs for the Peterbilt 520.
TruckRadar has 1,032 Kenworth T680 and Peterbilt 520 trucks available right now from dealers nationwide. Search by make, model, price, and location at truckradar.ai.
| Sleeper sizes |
| 52", 76" |
| No sleeper |
| Pricing (estimated) |
| Base MSRP range | — | $200,000–$280,000 |