Bsa D7 Reliability, MOT Pass Rate & Common Faults
Free Bsa D7 car check
Is the Bsa D7 reliable? We analysed 901 real MOT tests across 221 vehicles to find out.
Got a specific Bsa D7? Enter the reg for a free check:
The Bsa D7 is above average for reliability based on real UK MOT data. Common problems include headlamp at least one does not illuminate on main beam, headlamp at least one does not illuminate on dipped beam and position lamp does not illuminate immediately when it is switched on. Here's everything you need to know before buying a used Bsa D7.
Bsa D7 Number Plates
Number plates registered to a Bsa D7. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Bsa D7 MOT Pass Rate by Year
How likely is a Bsa D7 to pass its MOT? Here's the pass rate for each registration year, newest first.
Bsa D7 Problems — What Goes Wrong?
The most common reasons a Bsa D7 fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Bsa D7 Mileage — What's Normal?
How many miles does a typical Bsa D7 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Bsa D7 MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Bsa D7 year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 1966 | 194 | 85.6% | 11,278 | 16,676 | 22,625 |
| 1965 | 152 | 87.5% | 4,338 | 9,414 | 26,694 |
| 1964 | 68 | 92.6% | 7,937 | 12,409 | 21,906 |
| 1963 | 61 | 91.8% | 21,814 | 24,733 | 35,708 |
| 1961 | 51 | 82.4% | 5,360 | 8,138 | 22,550 |
| 1960 | 61 | 83.6% | 900 | 15,058 | 15,430 |
How Long Does a Bsa D7 Last?
Based on 221 Bsa D7 vehicles on UK roads.
Bsa D7 Mileage Distribution
Total mileage recorded across all Bsa D7 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 Bsa D7
Based on MOT pass rates across all registration years with sufficient test data.
92.6% MOT pass rate from 68 tests
82.4% MOT pass rate from 51 tests
The best year to buy a used Bsa D7 is 1964, which has the highest MOT pass rate at 92.6% across 68 tests. The 1961 model year has the lowest pass rate at 82.4% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Bsa D7 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Bsa D7 THIS CAR | 87.3% | 901 | 14,758 mi | 66 yrs |
| Bsa A10 | 92.2% | 10,105 | 12,338 mi | 74 yrs |
| Bsa Bantam | 89.9% | 7,723 | 13,212 mi | 77 yrs |
| Bsa C15 | 90.2% | 6,096 | 14,541 mi | 67 yrs |
| Honda Sh 125 Ad-n | 87.8% | 686 | 27,044 mi | — yrs |
Compared to the Bsa A10 (92.2% pass rate) and the Bsa Bantam (89.9% pass rate), the Bsa D7 trails behind on MOT reliability.
Found a Bsa D7 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 Bsa D7Should you buy a used Bsa D7?
The Bsa D7 has an overall MOT pass rate of 87.3% across 901 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 Bsa D7 are headlamp at least one does not illuminate on main beam (10 recorded failures), headlamp at least one does not illuminate on dipped beam (10), and position lamp does not illuminate immediately when it is switched on (9). 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 Bsa D7 owner drives around 75 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 Bsa D7 models stay on UK roads for around 66 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.