Infiniti Q45 (2004–2006) Reliability
The Infiniti Q45 (2004–2006) scores 86/100 on our composite reliability index — excellent territory — drawn from NHTSA data. Estimated used prices span €7,900–€9,200.
Composite Score
86
/ 100
Excellent
Sources: NHTSA · latest 2026
Market Snapshot
Listed model years2004–2006
Est. used price€7,900–€9,200
Documented issues0
Listings in catalogue4
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Reliability by Source
Each independent organization measures reliability differently. TÜV reports inspection defect rates by age band. ADAC reports pan-European breakdowns per 1,000 vehicles. NHTSA aggregates US consumer complaints. DVSA MOT data is the UK fleet's annual safety inspection — every car 3+ years old. Lower variance across sources = higher confidence in the composite.
NHTSA (US Complaints)
Model years 2002–2008 · 2026 report · n=33
33 complaints across 3 sampled year(s); resolved model="Q45"
View source ↗86
/ 100
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