Kenworth T680 vs Peterbilt 389
Two used Cummins X15 options, compared on the numbers that decide it: used price, the failure that costs the most, and recall exposure. Every figure links back to its sourced record.
| Kenworth T680 | Peterbilt 389 | |
|---|---|---|
| Used price (observed) | $12,000 (1 comp) | $79,950–$149,950 |
| Category | Cummins X15 | Cummins X15 |
| Top documented risk | Fuel pump is the headline complaint (medium) | Roadside coolant leak (medium) |
| Recall status | None found | None found |
| Our verdict | inspect | inspect |
| Full record | T680 details → | 389 details → |
The bottom line
Kenworth T680: one observed listing at $12,000 — thin comp set. Biggest documented cost risk: Fuel pump is the headline complaint. Buy only after inspection.
Peterbilt 389: Used Peterbilt 389: $79,950–$149,950 observed used across 15 listings. The documented cost risk to price in: Engine. Buy only after inspection.
Both records show every price, failure mode and recall check with the source. Open the full record for the inspection checklist before you buy: Kenworth T680 · Peterbilt 389.