Reliability Report · Multi-Source Data

Toyota Yaris (2015–2017) Reliability

The Toyota Yaris (2015–2017) scores 67/100 on our composite reliability index — average territory — drawn from ADAC, DVSA, NHTSA data. The most-flagged failure mode is door lock actuator failure, typically surfacing between 100,000 and 200,000 km. Workshop repair runs €200–€500. Estimated used prices span €4,500–€6,400.

Composite Score
67
/ 100
Average
Sources: ADAC · DVSA · NHTSA · latest 2026
Market Snapshot
Listed model years2015–2017
Est. used price€4,500–€6,400
Documented issues1
Listings in catalogue21
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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=59
59 complaints across 5 sampled year(s); resolved model="YARIS"
View source ↗
85
/ 100
ADAC (European Auto Club)
All model years · 2025 report
24.7/1000 breakdowns
View source ↗
41
/ 100
DVSA MOT (UK Inspections)
Model years 2004–2021 · 2024 report · n=490573
490,573 UK MOT tests · overall 21.1% fail rate vs UK fleet baseline
View source ↗
80
/ 100
DVSA MOT (UK Inspections)
Model years 2003–2020 · 2023 report · n=383412
383,412 UK MOT tests · overall 21.6% fail rate vs UK fleet baseline
View source ↗
79
/ 100

UK MOT Reliability Detail

Based on 490,573 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
83
7.3% fail vs 10.9% fleet
58,104 tests
Age 6–9 yrs
84
12.3% fail vs 19.2% fleet
146,151 tests
Age 10–14 yrs
83
21.7% fail vs 32.1% fleet
147,995 tests
Age 15–20 yrs
73
35.5% fail vs 38.8% fleet
138,323 tests

Most Common MOT Failure Categories

#1
Headlamp
46,163
32.2%
#2
Wipers
28,780
20.1%
#3
Condition
24,614
17.2%
#4
Position lamp
22,374
15.6%
#5
Headlamp aim
21,381
14.9%

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.

Known Issues

Specific failure modes documented across European workshops, owner forums, and TSBs. Costs in EUR (and USD reference) reflect typical retail European labor + parts ranges — specialist shops at the low end, dealer pricing at the high end.

Door lock actuator failure
Typical at 100,000–200,000 km
XP130 Yaris door lock actuators wear, doors refuse to lock/unlock electrically. Front pair commonly fail first.
€200–€500low

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