Owners typically report 15–20 MPG depending on load and driving conditions.

The 2002 LB7 is often sought after for its lack of modern emissions equipment, such as Diesel Particulate Filters (DPF) or Exhaust Gas Recirculation (EGR) systems, which makes it simpler to maintain and highly responsive to performance tuning.

Paired with the legendary Allison 1000 5-speed automatic , the first medium-duty transmission adapted for light-duty pickups.