Differences between Peterbilt 379 and 389

Peterbilt 379 and 389 are both heavy-duty Class 8 trucks produced by Peterbilt Motors Company. While they may appear similar, there are some key differences between these two models.

Below are the main Differences Between Peterbilt 379 and 389

  1. Design: The 379 was first introduced in 1987 and was in production until 2007. The 389 was introduced in 2006 and is currently in production. The 389 has a slightly updated and more modern design compared to the 379.
  2. Interior: The 389 has an improved interior compared to the 379, with better ergonomics and improved visibility. The 389 also features a more spacious and comfortable cabin, with more headroom, legroom, and storage space.
  3. Engines: Both models offer a range of engine options, but the 389 offers more advanced engine technology. For example, the 389 is available with the PACCAR MX-13 engine, which features advanced fuel injection and emissions control technology.
  4. Fuel Efficiency: The 389 offers better fuel efficiency compared to the 379, thanks to its more advanced engine technology and aerodynamic design.
  5. Cost: The 389 is generally more expensive than the 379 due to its more modern design and advanced technology.

Overall, while the 379 and 389 share many similarities, the 389 offers more advanced features and a more modern design compared to the 379.

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