Pontiac Fiero ReliabilityAll Years Ranked (1984–1987)
Side-by-side reliability scores, risk levels, and owner-cost projections for every Pontiac Fiero we've analyzed. Identify the best years to buy, the ones to avoid, and the problems that follow the Fiero across generations.
Average Score
40/100
Best Year
1985 Pontiac Fiero
Score 45
Weakest Year
1986 Pontiac Fiero
Score 35
Every Pontiac Fiero Ranked
Sorted by reliability score. Each link opens the full year-specific report.
An ambitious classic with a fiery past, demanding significant mechanical commitment and a robust repair budget.
Top risks: Engine (2.5L 'Iron Duke') · Cooling System · Electrical System
A fascinating but deeply flawed concept car, the 1984 Fiero is a high-risk project best left to experienced enthusiasts.
Top risks: Engine Firing Hazard · Electrical System · Cooling System
A fascinating but fundamentally flawed machine, demanding expert attention to avoid costly and potentially dangerous failures.
Top risks: Engine Fire Hazard (2.5L I4) · Electrical System · Cooling System (2.8L V6)
A fun, visually striking car, but one plagued by severe reliability issues that make it a highly risky proposition for the average owner.
Top risks: Engine Fire Hazard · Electrical System Malfunctions · Cooling System Vulnerabilities
Problems That Follow the Fiero Across Generations
Issues that appear in the top-3 risks across multiple model years — the cost of ownership you can actually predict.
Electrical System
Appears in 3 model years · 75% of generations
Cooling System
Appears in 2 model years · 50% of generations