Reliability Report · Multi-Source Data

Mini Cooper s Reliability

The Mini Cooper s (current generation) scores 81/100 on our composite reliability index — good territory — drawn from DVSA, NHTSA data.

Composite Score
81
/ 100
Good
Sources: DVSA · NHTSA · latest 2026
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Reliability data covers the model. A VIN history report covers the exact Mini Cooper s 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 2003–2020 · 2026 report · n=26
26 complaints across 1 sampled year(s); resolved model="COOPER S CONVERTIBLE"
View source ↗
73
/ 100
DVSA MOT (UK Inspections)
Model years 2004–2021 · 2024 report · n=152691
152,691 UK MOT tests · overall 9.9% fail rate vs UK fleet baseline
View source ↗
86
/ 100
DVSA MOT (UK Inspections)
Model years 2003–2020 · 2023 report · n=73057
73,057 UK MOT tests · overall 11.6% fail rate vs UK fleet baseline
View source ↗
81
/ 100

UK MOT Reliability Detail

Based on 152,691 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
82
7.8% fail vs 10.9% fleet
69,258 tests
Age 6–9 yrs
89
10.2% fail vs 19.2% fleet
64,689 tests
Age 10–14 yrs
91
15.2% fail vs 32.1% fleet
16,416 tests
Age 15–20 yrs
80
29.5% fail vs 38.8% fleet
2,328 tests

Most Common MOT Failure Categories

#1
Condition
11,645
32.6%
#2
Windscreen
9,984
28.0%
#3
Wipers
8,101
22.7%
#4
Registration plate lamp(s)
3,105
8.7%
#5
Tread depth
2,879
8.1%

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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