MG GS
Reliability, estimated running costs, and MOT data across 4 model years from 5,205 MOT tests in 2024.
Avg Pass Rate
84%
Total Tests
5,205
Highest Pass Rate
2018 (85%)
Years Covered
4
About the MG GS
The MG GS was MOT tested 5,205 times in 2024 (DVSA data, retests included) across 4 model years (2016 to 2019), with an average pass rate of 84%. That's slightly above the average of 82% across all models in our data. Our records list petrol versions.
Best and Worst Years
Of the years with at least 100 tests, the 2018 model has the highest pass rate at 85% from 1,644 tests. The 2019 model has the lowest at 83%. With just a 2 point gap, pass rates are similar across these years. Newer cars usually pass more often simply because they are younger.
Reliability Trend
The MG GS has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.
Mileage Across Years
The oldest model in our data (2016) averages 57,578 miles, while the newest (2019) averages 37,544 miles.
Estimated Running Costs
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2019 detailsHow reliable is the MG GS?
MG GS by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the MG GS
Is the MG GS reliable?
Across its 4 model years in our data (2016 to 2019), the MG GS averages an 84% MOT pass rate, from 5,205 tests (DVSA MOT data for tests in 2024, retests included). That's 2 points above the average of 82% across all models in the same data. The 2018 model has the highest pass rate of the years with at least 100 tests, at 85%.
Which year MG GS has the best MOT pass rate?
Of the years with at least 100 tests, the 2018 MG GS has the highest MOT pass rate at 85%, while the 2019 model has the lowest at 83%, a 2 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer MG GSs more reliable?
The MG GS has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.
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