MG Mgbgt Reliability, MOT Pass Rate & Common Faults
Free MG Mgbgt car check
Is the MG Mgbgt reliable? We analysed 2,202 real MOT tests across 243 vehicles to find out.
Got a specific MG Mgbgt? Enter the reg for a free check:
The MG Mgbgt is above average for reliability based on real UK MOT data. Common problems include windscreen washer provides insufficient washer liquid, brake binding and parking brake: efficiency below requirements. Here's everything you need to know before buying a used MG Mgbgt.
MG Mgbgt Number Plates
Number plates registered to a MG Mgbgt. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
MG Mgbgt MOT Pass Rate by Year
How likely is a MG Mgbgt to pass its MOT? Here's the pass rate for each registration year, newest first.
MG Mgbgt Problems — What Goes Wrong?
The most common reasons a MG Mgbgt fails its MOT, ranked by how often they occur. Check for these problems before you buy.
MG Mgbgt Mileage — What's Normal?
How many miles does a typical MG Mgbgt owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
MG Mgbgt MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the MG Mgbgt year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 1981 | 139 | 72.7% | 13,066 | 55,872 | 73,120 |
| 1980 | 52 | 76.9% | 12,044 | 79,269 | 87,855 |
| 1979 | 67 | 76.1% | 6,888 | 74,269 | 84,508 |
| 1978 | 183 | 75.4% | 24,382 | 76,950 | 88,000 |
| 1977 | 114 | 71.9% | 14,619 | 28,918 | 48,791 |
| 1975 | 189 | 73.0% | 15,111 | 51,461 | 79,823 |
| 1974 | 195 | 71.3% | 23,182 | 41,555 | 57,330 |
| 1973 | 172 | 78.5% | 15,619 | 36,682 | 74,196 |
| 1972 | 346 | 79.2% | 15,292 | 37,229 | 73,198 |
| 1971 | 88 | 75.0% | 5,996 | 17,861 | 61,868 |
| 1970 | 152 | 69.1% | 12,633 | 40,276 | 54,762 |
| 1969 | 135 | 82.2% | 24,672 | 44,993 | 79,615 |
| 1968 | 60 | 83.3% | 4,230 | 22,435 | 38,064 |
| 1967 | 138 | 79.7% | 13,998 | 23,430 | 51,469 |
| 1966 | 67 | 89.6% | 8,424 | 50,804 | 67,230 |
How Long Does a MG Mgbgt Last?
Based on 243 MG Mgbgt vehicles on UK roads.
MG Mgbgt Mileage Distribution
Total mileage recorded across all MG Mgbgt MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
Best Year to Buy a Used MG Mgbgt
Based on MOT pass rates across all registration years with sufficient test data.
89.6% MOT pass rate from 67 tests
69.1% MOT pass rate from 152 tests
The best year to buy a used MG Mgbgt is 1966, which has the highest MOT pass rate at 89.6% across 67 tests. The 1970 model year has the lowest pass rate at 69.1% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the MG Mgbgt Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| MG Mgbgt THIS CAR | 75.8% | 2,202 | 41,106 mi | 60 yrs |
| MG Zr | 69.8% | 651,705 | 57,257 mi | 25 yrs |
| MG Mgf | 66.7% | 546,238 | 62,469 mi | 31 yrs |
| MG Tf | 72.8% | 475,348 | 45,249 mi | 24 yrs |
| Yamaha FZ600 | 78.9% | 2,177 | 27,960 mi | 39 yrs |
Compared to the MG Zr (69.8% pass rate) and the MG Mgf (66.7% pass rate), the MG Mgbgt outperforms both on MOT reliability.
Found a MG Mgbgt you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific MG MgbgtShould you buy a used MG Mgbgt?
The MG Mgbgt has an overall MOT pass rate of 75.8% across 2,202 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common problems on the MG Mgbgt are windscreen washer provides insufficient washer liquid (61 recorded failures), brake binding (54), and parking brake: efficiency below requirements (54). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.
A typical MG Mgbgt owner drives around 419 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
In terms of longevity, most MG Mgbgt models stay on UK roads for around 60 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.