Reliability Report · Multi-Source Data

MG Gs Reliability

The MG Gs (current generation) scores 66/100 on our composite reliability index — average territory — drawn from DVSA data.

Composite Score
66
/ 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 2015–2021 · 2024 report · n=4137
4,137 UK MOT tests · overall 19.9% fail rate vs UK fleet baseline
View source ↗
65
/ 100
DVSA MOT (UK Inspections)
Model years 2014–2020 · 2023 report · n=2704
2,704 UK MOT tests · overall 15.6% fail rate vs UK fleet baseline
View source ↗
67
/ 100

UK MOT Reliability Detail

Based on 4,137 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
38
19.8% fail vs 10.9% fleet
590 tests
Age 69 yrs
69
19.9% fail vs 19.2% fleet
3,547 tests

Most Common MOT Failure Categories

#1
Headlamp aim
240
23.0%
#2
Anti-lock braking system
235
22.5%
#3
Tread depth
225
21.5%
#4
Condition
174
16.7%
#5
Wipers
171
16.4%

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

See how the MG Gs stacks up against direct rivals — same segment, similar price band, side-by-side risk + reliability.

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