2021 Peterbilt 389 2021 Base Straight Truck – Long Conventional

Common Issues

Owners of the 2021 Peterbilt 389 may encounter issues such as fuel system problems, electrical system failures, and premature tire wear. Regular inspections can help identify these issues early.

Maintenance Tips

Regular maintenance is crucial for the longevity of the Peterbilt 389. Key maintenance practices include frequent oil changes, regular inspection of the fuel system and air filters, and monitoring tire pressure and tread wear.

Typical Repair/Owership Cost Ranges

Repair costs for the Peterbilt 389 can vary widely depending on the issue. Routine maintenance may cost between $300 to $800 annually, while more significant repairs can range from $1,000 to $5,000 or more, depending on the severity and parts needed.

Buying Advice (What to Inspect)

When considering purchasing a used 2021 Peterbilt 389, inspect the engine for leaks, check the condition of the tires, and look for any signs of electrical issues. A thorough road test will also help assess the handling and performance.

FAQ

What is the fuel economy of the 2021 Peterbilt 389? The fuel economy can vary based on load and driving conditions, but it typically averages around 6-8 miles per gallon.

How often should I change the oil? It is recommended to change the oil every 15,000 miles or every 6 months, whichever comes first.

What type of transmission does the 2021 Peterbilt 389 have? This model typically comes with an automatic or manual transmission option, depending on the configuration.

Are parts readily available for the 2021 Peterbilt 389? Yes, parts are widely available through authorized dealers as well as aftermarket suppliers.

What is the warranty on a new Peterbilt 389? New Peterbilt trucks generally come with a 1-year or 100,000-mile warranty, but it can vary by dealer.

How does the 389 compare to other models? The 389 is known for its superior comfort and performance, often favored for long-haul routes compared to other models.

Is the 2021 Peterbilt 389 suitable for all weather conditions? Yes, with proper maintenance and tire selection, it performs well in various weather conditions.

What kind of driver support is available for the Peterbilt 389? Peterbilt offers extensive customer support, including service manuals, online resources, and a network of service centers.