Reliability Report · Multi-Source Data

Alfa Romeo 156 Reliability

The Alfa Romeo 156 (current generation) scores 69/100 on our composite reliability index — average territory — drawn from DVSA data.

Composite Score
69
/ 100
Average
Sources: DVSA · latest 2023
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Buying a Alfa Romeo 156? Check its VIN history first

Reliability data covers the model. A VIN history report covers the exact Alfa Romeo 156 you're looking at — accident and write-off records, mileage rollback, outstanding finance and theft checks.

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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.

DVSA MOT (UK Inspections)
Model years 2003–2008 · 2023 report · n=717
717 UK MOT tests · overall 39.9% fail rate vs UK fleet baseline
View source ↗
69
/ 100

UK MOT Reliability Detail

Based on 717 MOT tests in the UK during the 2023 reporting period. Score for each age band reflects this model's fail rate vs the UK-fleet baseline fail rate at the same age — a generation-aware metric.

Age 1520 yrs
69
39.9% fail vs 38.8% fleet
717 tests

Most Common MOT Failure Categories

#1
Headlamp aim
161
27.4%
#2
Headlamp
117
19.9%
#3
Catalyst emissions
108
18.4%
#4
Joints
106
18.1%
#5
Condition
95
16.2%

Categories ranked across all MOT tests of this model in the UK during the 2023 period. "Condition" covers cosmetic / wear issues; suspension and braking dominate the rest.

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