2021 Peterbilt 389 X15 — Used Market Prices & Trends
13 active listings · median 385,000 mi
Median Price
$161,863.5
90-Day Change
-20.7%
Active Listings
13
Median Odometer
385,000 mi
90-Day Median Asking Price
The 2021 Peterbilt 389 powered by the X15 is currently represented by 13 active listings on TruckRadar, with a median asking price of $161,863.5 and median odometer reading of 385,000 miles. Over the past 90 days, asking prices have moved down 20.7%. Seasonal softening in the used truck market tends to occur as fleets delay purchasing decisions during slower freight periods. Most units listed are configured as conventional cab with tandem rear axle (6x4) drivetrains. Geographically, the largest concentrations of 2021 389 inventory sit in Texas, Illinois, and North Carolina, where regional pricing ranges from $99,900 to $177,250. Common transmission pairings include 18 Speed and RTLO20918B. The 2021 389 typically appears in dealer inventory for an average of 30 to 60 days before sale, based on TruckRadar listing turnover data. Buyers comparing this configuration often also evaluate the 579 and 567. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.
Typical Configuration
Axle Config
6x4
Common Transmission
18 Speed
Active Listings
Regional Breakdown
| State | Listings | Median Price |
|---|---|---|
| Texas | 4 | $176,750 |
| Illinois | 2 | $154,250 |
| North Carolina | 2 | $154,950 |
| South Carolina | 2 | $177,250 |
| Idaho | 1 | $99,900 |
2021 Peterbilt 389 X15 — Frequently Asked Questions
What is the average price of a 2021 Peterbilt 389 X15?
The median asking price for a 2021 Peterbilt 389 X15 on TruckRadar is $161,863.5, based on 13 active listings. Prices vary by mileage, condition, and configuration.
How many 2021 Peterbilt 389 X15s are for sale right now?
TruckRadar shows 13 active 2021 Peterbilt 389 X15 listings from verified dealers, updated daily.
What states have the most 2021 Peterbilt 389 X15 inventory?
The most 2021 Peterbilt 389 X15 inventory is concentrated in Texas, Illinois, North Carolina.
What is the typical mileage on a 2021 Peterbilt 389 X15 for sale?
The median odometer reading is 385,000 miles. Used commercial trucks typically sell in the 300,000–700,000 mile range.
