Reliability Report · Multi-Source Data

Kia Niro Reliability

The Kia Niro (current generation) scores 75/100 on our composite reliability index — good territory — drawn from DVSA, NHTSA data.

Composite Score
75
/ 100
Good
Sources: DVSA · NHTSA · latest 2026
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Reliability data covers the model. A VIN history report covers the exact Kia Niro 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.

NHTSA (US Complaints)
Model years 2015–2021 · 2026 report · n=189
189 complaints across 4 sampled year(s); resolved model="NIRO HYBRID"
View source ↗
64
/ 100
DVSA MOT (UK Inspections)
Model years 2015–2021 · 2024 report · n=69139
69,139 UK MOT tests · overall 9.5% fail rate vs UK fleet baseline
View source ↗
80
/ 100
DVSA MOT (UK Inspections)
Model years 2014–2020 · 2023 report · n=34986
34,986 UK MOT tests · overall 9.4% fail rate vs UK fleet baseline
View source ↗
79
/ 100

UK MOT Reliability Detail

Based on 69,139 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
78
8.8% fail vs 10.9% fleet
50,185 tests
Age 6–9 yrs
86
11.5% fail vs 19.2% fleet
18,954 tests

Most Common MOT Failure Categories

#1
Condition
4,467
40.1%
#2
Wipers
3,094
27.7%
#3
Tread depth
1,622
14.5%
#4
Windscreen
1,266
11.4%
#5
Side repeaters
701
6.3%

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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