Reliability Report · Multi-Source Data

Dacia Logan Reliability

The Dacia Logan (current generation) scores 56/100 on our composite reliability index — average territory — drawn from ADAC, DVSA, TÜV data.

Composite Score
56
/ 100
Average
Sources: ADAC · DVSA · TÜV · latest 2025
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Reliability data covers the model. A VIN history report covers the exact Dacia Logan 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.

ADAC (European Auto Club)
All model years · 2025 report
14.1/1000 breakdowns
View source ↗
55
/ 100
TÜV (Germany)
All model years · 2025 report
HU defect rate (TÜV Report 2025): 6-7yr 22.3%, 8-9yr 28.3%, 10-11yr 39.6%, 12-13yr 41.0%
View source ↗
54
/ 100
DVSA MOT (UK Inspections)
Model years 2010–2021 · 2024 report · n=18909
18,909 UK MOT tests · overall 23.3% fail rate vs UK fleet baseline
View source ↗
61
/ 100
DVSA MOT (UK Inspections)
Model years 2009–2020 · 2023 report · n=14435
14,435 UK MOT tests · overall 22.5% fail rate vs UK fleet baseline
View source ↗
56
/ 100

UK MOT Reliability Detail

Based on 18,909 MOT tests in the UK during the 2024 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 3–5 yrs
52
15.9% fail vs 10.9% fleet
3,654 tests
Age 6–9 yrs
61
23.7% fail vs 19.2% fleet
12,224 tests
Age 10–14 yrs
72
30.9% fail vs 32.1% fleet
3,031 tests

Most Common MOT Failure Categories

#1
Registration plate lamp(s)
1,178
23.9%
#2
Wipers
1,101
22.3%
#3
Headlamp aim
1,035
21.0%
#4
Condition
869
17.6%
#5
Tread depth
744
15.1%

Categories ranked across all MOT tests of this model in the UK during the 2024 period. "Condition" covers cosmetic / wear issues; suspension and braking dominate the rest.

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