BMW 6 Series Gran Coupe (2015–2017) Reliability
The BMW 6 Series Gran Coupe (2015–2017) scores 99/100 on our composite reliability index — excellent territory — drawn from NHTSA data. Estimated used prices span €23,900–€33,400.
Composite Score
99
/ 100
Excellent
Sources: NHTSA · latest 2026
Market Snapshot
Listed model years2015–2017
Est. used price€23,900–€33,400
Documented issues0
Listings in catalogue12
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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 2013–2019 · 2026 report · n=13
13 complaints across 3 sampled year(s); resolved model="6 SERIES"
View source ↗99
/ 100
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