Mack Pioneer Pr (4) — Years to Avoid
Reliability breakdown of every Mack Pioneer Pr (4) model year. Based on NHTSA owner complaints, federal recalls, and safety investigations.
Model Years
2
Year
Risk Level
Complaints
Recalls
Invest.
TSBs
2026
0
4
0
55
View report →
2026
0 complaints4 recalls55 TSBs
2025
0
9
0
112
View report →
2025
0 complaints9 recalls112 TSBs
How we calculate this
Each year receives a composite risk score based on NHTSA owner complaints, federal recalls, safety investigations, and technical service bulletins. Years scoring more than 2x the model's average are flagged as “years to avoid.” Years in the lowest risk bracket are marked as “best years.” All data is sourced from the National Highway Traffic Safety Administration (NHTSA).
Which Mack Pioneer Pr (4) Years Should You Avoid?
The Mack Pioneer Pr (4) shows relatively consistent reliability across model years, with no single year standing out as significantly worse than others.
2 model years analyzed