MG Gs: MOT pass rate and reliability data
The MG Gs passes its MOT first time more often than the average UK car, by 2.8 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 2,883 individual MG Gs tests. Nothing here is an estimate or a survey.
The numbers
| First-time pass rate | 79.5% |
| UK national average | 76.7% |
| Difference | +2.8 points |
| Tests analysed | 2,883 |
| Average mileage at test | 47,592 miles |
| Average year of manufacture | 2017 |
| Reliability rank | 1,461 of 2,005 models |
What this means if you are buying one
A 79.5% first-time pass rate means roughly 21 in every 100 MG Gs presented for MOT fail on the first attempt. That is better than average, so a well-kept example is a reasonably safe used buy. The average MG Gs tested had covered 47,592 miles and was built around 2017.
What this means at salvage auction
Pass rate is a proxy for what a car costs to keep on the road. On a MG Gs bought as a repairable salvage, the mechanical side is less likely to spring surprises, so your repair estimate should hold up reasonably well.
Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.
Looking at a specific MG Gs rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged MG Gs actually sold for at UK salvage auction.
Most common MOT failures on a MG Gs
- ESC MIL indicates a system malfunction, 1.9% of tests (12.76x the national rate for this defect)
- A tyre pressure monitoring system malfunctioning or obviously inoperative, 1.7% of tests (9.08x the national rate for this defect)
- Warning device shows system malfunction, 2.7% of tests (8.81x the national rate for this defect)
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction, 1.3% of tests (4.09x the national rate for this defect)
- Brake disc or drum significantly and obviously worn, 1.3% of tests (2.19x the national rate for this defect)
- Lambda coefficient outside the default limits or the range specified by the manufacturer, 0.7% of tests (1.77x the national rate for this defect)
- The aim of a headlamp is not within limits laid down in the requirements, 3.1% of tests (1.74x the national rate for this defect)
- a brake lining or pad worn below 1.5mm, 2.6% of tests (1.67x the national rate for this defect)
- Tyre tread depth not in accordance with the requirements, 2.8% of tests (1.21x the national rate for this defect)
- A tyre seriously damaged, 1.9% of tests
From 4,427 DVSA-tracked MG Gs tests, 2024. DVSA testers marked 5.54% of these flagged MG Gs defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.
MG Gs pass rate by model year
Pass rates fall steadily as cars age, so the model year matters as much as the model. First-time pass rate for each MG Gs year:
- 2016 MG Gs - 80.8% first-time pass, 577 tests
- 2017 MG Gs - 78.8% first-time pass, 947 tests
- 2018 MG Gs - 80.8% first-time pass, 962 tests
- 2019 MG Gs - 78.6% first-time pass, 384 tests
Other MG models
- MG Zs - 81.4%
- MG 3 - 80.1%
- MG Zs Exclusive Ev - 90.6%
- MG Tf - 72.4%
- MG Mgf - 69.6%
- MG 5 Exclusive - 91.6%
- MG Zs Exclusive Vti-Tech - 90.3%
- MG Hs Exclusive S-A - 91.9%
Models with a similar pass rate
- SEAT Leon - 79.5%
- Volkswagen Sharan - 79.5%
- Vauxhall Vivaro 2900 Sportive S/S - 79.5%
- Land Rover Unclassified - 79.5%
- MINI Countryman Cooper - 79.5%
- Kia Sportage - 79.4%
If this car is a salvage or write-off
- What does Cat N mean? Category N explained
- What does Cat S mean? Category S explained
- Cat S vs Cat N: the real differences
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