Austin 7 Reliability, MOT Pass Rate & Common Faults
Free Austin 7 car check
Is the Austin 7 reliable? We analysed 3,419 real MOT tests across 662 vehicles to find out.
Got a specific Austin 7? Enter the reg for a free check:
The Austin 7 is above average for reliability based on real UK MOT data. Common problems include service brake: efficiency below requirements, brake recording little or no effort and service brake: efficiency below requirements. Here's everything you need to know before buying a used Austin 7.
Austin 7 Number Plates
Number plates registered to a Austin 7. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Austin 7 MOT Pass Rate by Year
How likely is a Austin 7 to pass its MOT? Here's the pass rate for each registration year, newest first.
Austin 7 Problems — What Goes Wrong?
The most common reasons a Austin 7 fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Austin 7 Mileage — What's Normal?
How many miles does a typical Austin 7 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Austin 7 MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Austin 7 year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 1938 | 207 | 93.2% | 8,062 | 43,022 | 71,022 |
| 1937 | 332 | 86.7% | 7,723 | 53,626 | 76,703 |
| 1936 | 288 | 88.5% | 5,834 | 16,450 | 64,739 |
| 1935 | 229 | 92.1% | 3,438 | 19,630 | 54,342 |
| 1934 | 360 | 91.7% | 1,982 | 11,164 | 47,040 |
| 1933 | 314 | 92.0% | 3,768 | 17,140 | 50,889 |
| 1932 | 244 | 95.1% | 4,456 | 7,727 | 16,444 |
| 1931 | 234 | 94.0% | 1,262 | 4,407 | 6,644 |
| 1930 | 244 | 92.2% | 2,053 | 5,304 | 8,162 |
| 1929 | 111 | 96.4% | 1,926 | 5,397 | 7,851 |
| 1928 | 210 | 97.1% | 1,388 | 2,880 | 5,571 |
| 1927 | 150 | 94.7% | 1,192 | 3,813 | 8,999 |
| 1926 | 53 | 96.2% | 1,435 | 6,320 | 8,358 |
How Long Does a Austin 7 Last?
Based on 662 Austin 7 vehicles on UK roads.
Austin 7 Mileage Distribution
Total mileage recorded across all Austin 7 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 Austin 7
Based on MOT pass rates across all registration years with sufficient test data.
97.1% MOT pass rate from 210 tests
86.7% MOT pass rate from 332 tests
The best year to buy a used Austin 7 is 1928, which has the highest MOT pass rate at 97.1% across 210 tests. The 1937 model year has the lowest pass rate at 86.7% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Austin 7 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Austin 7 THIS CAR | 92.4% | 3,419 | 7,910 mi | 100 yrs |
| Austin Mini Mayfair | 64.7% | 51,788 | 54,118 mi | 44 yrs |
| Austin Mini 1000 City E | 64.5% | 44,703 | 54,880 mi | 44 yrs |
| Austin Mini | 75.1% | 18,242 | 47,796 mi | 66 yrs |
| Kawasaki VN900 | 88% | 4,354 | 12,054 mi | 20 yrs |
Compared to the Austin Mini Mayfair (64.7% pass rate) and the Austin Mini 1000 City E (64.5% pass rate), the Austin 7 outperforms both on MOT reliability.
Found a Austin 7 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 Austin 7Should you buy a used Austin 7?
The Austin 7 has an overall MOT pass rate of 92.4% across 3,419 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 Austin 7 are service brake: efficiency below requirements (34 recorded failures), brake recording little or no effort (29), and service brake: efficiency below requirements (22). 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 Austin 7 owner drives around 197 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 Austin 7 models stay on UK roads for around 100 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.