How reliable is the MG 3?
Owner-reported reliability data — inspection results, typical mileage, and the most common failures.
The MG 3 passes first-time inspections at roughly the European average. Typical mileage by age and a year-by-year breakdown of reliability are shown below. All figures are owner-reported real-world data, not a marketing rating.
Above average reliability
Based on 21,084 inspection tests. First-time pass rate: 84.7%.
MG 3 reliability by year
How the MG 3 performs at first-time inspection, broken down by the year cohort. Empty cells mean we don't have enough owner-reported data for that year yet.
| Year cohort | Pass rate | Typical mileage @ 5 yrs |
|---|---|---|
| 0 | 84.7% | 35,568 km |
| 2013 | 77.1% | — |
| 2014 | 75.5% | — |
| 2015 | 76.5% | — |
| 2016 | 79.4% | — |
| 2017 | 78.8% | 52,907 km |
| 2018 | 82.6% | 48,501 km |
| 2019 | 87.7% | 45,441 km |
| 2020 | 89.6% | 41,737 km |
| 2021 | 91.1% | — |
| 2022 | 90.9% | — |
Model-level pattern, not per-car prediction
These figures describe the MG 3 as a model. The reliability of any individual MG 3 also depends on service history, accident history, and how it was driven. Run a free VIN check to see the records attached to a specific car you're considering.
Frequently asked questions
Is the MG 3 reliable?
Based on owner-reported inspection records, the MG 3 passes first-time inspections at roughly the European average. Its first-time inspection pass rate sits around 85%. Reliability varies by year and engine — see the year-by-year breakdown on this page for the specific cohort you're considering.
What are the common problems on the MG 3?
Common-issue data for this model is still being aggregated. Run a free VIN check to see the issues recorded for the specific vehicle you're looking at.
What mileage is normal for a MG 3?
For a typical MG 3, owner-reported average mileage works out to about — at 3 years, 35,568 km at 5 years, and — at 10 years. The mileage section on this page shows the full distribution — high-use vs low-use cars often differ by a factor of three.
How do I check a specific MG 3 before buying?
Enter the 17-character VIN on Carlytics. The free check shows decoded specs and open safety recalls. The full vehicle history report (from EUR 8.90) cross-references owner-reported issues, mileage records, and stolen-vehicle databases for the specific car — model-level reliability tells you the pattern, the VIN check tells you the car.