2024 Peterbilt 389 Mpg Comparison. Browse our extensive inventory of new and used 2024 peterbilt 389 trucks from local peterbilt dealers and private sellers. The 131 bbc long hood is the same as the 389 but a 121 bbc short hood option is available for daycabs, two inches shorter than a 389 daycab for better.

Its successor, the model 589, which was introduced earlier this year, now is available for. Among peterbilt’s stellar lineup, the peterbilt 389 is a model that signifies unmatched power, efficiency, and versatility.