2011 Peterbilt 388 ISX15 — Used Market Prices & Trends
4 active listings · median 570,000 mi
Median Price
$84,250
90-Day Change
-40.9%
Active Listings
4
Median Odometer
570,000 mi
90-Day Median Asking Price
The 2011 Peterbilt 388 powered by the ISX15 is currently represented by 4 active listings on TruckRadar, with a median asking price of $84,250 and median odometer reading of 570,000 miles. Over the past 90 days, asking prices have moved down 40.9%. 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 2011 388 inventory sit in Illinois and South Carolina, where regional pricing ranges from $59,750 to $99,250. Common transmission pairings include manual and automated options. The 2011 388 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 367 and 389. Pricing reflects active asking prices from verified dealers and is not a substitute for a formal appraisal.
Typical Configuration
Axle Config
6x4
Active Listings
Regional Breakdown
| State | Listings | Median Price |
|---|---|---|
| Illinois | 2 | $59,750 |
| South Carolina | 2 | $99,250 |
2011 Peterbilt 388 ISX15 — Frequently Asked Questions
What is the average price of a 2011 Peterbilt 388 ISX15?
The median asking price for a 2011 Peterbilt 388 ISX15 on TruckRadar is $84,250, based on 4 active listings. Prices vary by mileage, condition, and configuration.
How many 2011 Peterbilt 388 ISX15s are for sale right now?
TruckRadar shows 4 active 2011 Peterbilt 388 ISX15 listings from verified dealers, updated daily.
What states have the most 2011 Peterbilt 388 ISX15 inventory?
The most 2011 Peterbilt 388 ISX15 inventory is concentrated in Illinois, South Carolina.
What is the typical mileage on a 2011 Peterbilt 388 ISX15 for sale?
The median odometer reading is 570,000 miles. Used commercial trucks typically sell in the 300,000–700,000 mile range.