Bajaj Unknown Reliability, MOT Pass Rate & Common Faults
Free Bajaj Unknown car check
Is the Bajaj Unknown reliable? We analysed 786 real MOT tests across 231 vehicles to find out.
Got a specific Bajaj Unknown? Enter the reg for a free check:
The Bajaj Unknown is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Bajaj Unknown.
Bajaj Unknown Number Plates
Number plates registered to a Bajaj Unknown. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Bajaj Unknown MOT Pass Rate by Year
How likely is a Bajaj Unknown to pass its MOT? Here's the pass rate for each registration year, newest first.
Bajaj Unknown Problems — What Goes Wrong?
The most common reasons a Bajaj Unknown fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Bajaj Unknown Mileage — What's Normal?
How many miles does a typical Bajaj Unknown owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Bajaj Unknown MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Bajaj Unknown year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2021 | 52 | 94.2% | 980 | 2,288 | 8,129 |
| 2020 | 64 | 87.5% | 1,290 | 4,006 | 6,591 |
| 2019 | 139 | 87.1% | 1,333 | 2,991 | 5,613 |
| 2018 | 127 | 88.2% | 1,293 | 2,288 | 4,490 |
| 2017 | 132 | 82.6% | 1,346 | 3,010 | 4,670 |
| 2016 | 73 | 90.4% | 848 | 4,463 | 8,081 |
| 2015 | 103 | 89.3% | 642 | 1,748 | 7,879 |
How Long Does a Bajaj Unknown Last?
Based on 231 Bajaj Unknown vehicles on UK roads.
Bajaj Unknown Mileage Distribution
Total mileage recorded across all Bajaj Unknown 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 Bajaj Unknown
Based on MOT pass rates across all registration years with sufficient test data.
94.2% MOT pass rate from 52 tests
82.6% MOT pass rate from 132 tests
The best year to buy a used Bajaj Unknown is 2021, which has the highest MOT pass rate at 94.2% across 52 tests. The 2017 model year has the lowest pass rate at 82.6% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Bajaj Unknown Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Bajaj Unknown THIS CAR | 86.9% | 786 | 2,737 mi | 11 yrs |
| Bajaj Chetak | 82.6% | 734 | 6,469 mi | 32 yrs |
| Vauxhall Astra Gs Turbo | 90% | 723 | 21,825 mi | — yrs |
| Man . | 74.7% | 846 | 334,322 mi | — yrs |
| Yamaha SZR660 | 82% | 1,525 | 15,290 mi | 30 yrs |
Compared to the Bajaj Chetak (82.6% pass rate) and the Vauxhall Astra Gs Turbo (90.0% pass rate), the Bajaj Unknown sits in the middle of the pack on MOT reliability.
Found a Bajaj Unknown 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 Bajaj UnknownShould you buy a used Bajaj Unknown?
The Bajaj Unknown has an overall MOT pass rate of 86.9% across 786 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.
The most common failure point is headlamp aim beam image kick up to the offside with 4 recorded occurrences. Check for this on any test drive or pre-purchase inspection.
A typical Bajaj Unknown owner drives around 326 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 Bajaj Unknown models stay on UK roads for around 11 years. 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.