Reliability Report · Multi-Source Data

Ford Grand C-Max Reliability

The Ford Grand C-Max (current generation) scores 64/100 on our composite reliability index — average territory — drawn from DVSA data.

Composite Score
64
/ 100
Average
Sources: DVSA · latest 2024
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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 2010–2021 · 2024 report · n=45787
45,787 UK MOT tests · overall 27.0% fail rate vs UK fleet baseline
View source ↗
66
/ 100
DVSA MOT (UK Inspections)
Model years 2009–2020 · 2023 report · n=34397
34,397 UK MOT tests · overall 26.4% fail rate vs UK fleet baseline
View source ↗
62
/ 100

UK MOT Reliability Detail

Based on 45,787 MOT tests in the UK during the 2024reporting 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 35 yrs
41
18.8% fail vs 10.9% fleet
1,407 tests
Age 69 yrs
64
22.2% fail vs 19.2% fleet
21,648 tests
Age 1014 yrs
70
32.1% fail vs 32.1% fleet
22,732 tests

Most Common MOT Failure Categories

#1
Condition
5,007
26.5%
#2
Joints
4,879
25.8%
#3
Registration plate lamp(s)
3,386
17.9%
#4
Brake pads
3,086
16.3%
#5
Tread depth
2,558
13.5%

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

Compare Against Alternatives

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