Quadzilla H 300 Reliability, MOT Pass Rate & Common Faults
Free Quadzilla H 300 car check
Is the Quadzilla H 300 reliable? We analysed 397 real MOT tests across 109 vehicles to find out.
Got a specific Quadzilla H 300? Enter the reg for a free check:
The Quadzilla H 300 is above average for reliability based on real UK MOT data. Common problems include registration plate missing, headlamp aim too low and stop lamp not working. Here's everything you need to know before buying a used Quadzilla H 300.
Quadzilla H 300 Number Plates
Number plates registered to a Quadzilla H 300. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Quadzilla H 300 MOT Pass Rate by Year
How likely is a Quadzilla H 300 to pass its MOT? Here's the pass rate for each registration year, newest first.
Quadzilla H 300 Problems — What Goes Wrong?
The most common reasons a Quadzilla H 300 fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Quadzilla H 300 Mileage — What's Normal?
How many miles does a typical Quadzilla H 300 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Quadzilla H 300 MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Quadzilla H 300 year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2012 | 85 | 80.0% | 310 | 975 | 1,400 |
| 2011 | 127 | 74.0% | 272 | 679 | 1,377 |
| 2010 | 127 | 78.7% | 262 | 619 | 1,418 |
How Long Does a Quadzilla H 300 Last?
Based on 109 Quadzilla H 300 vehicles on UK roads.
Quadzilla H 300 Mileage Distribution
Total mileage recorded across all Quadzilla H 300 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 Quadzilla H 300
Based on MOT pass rates across all registration years with sufficient test data.
80.0% MOT pass rate from 85 tests
74.0% MOT pass rate from 127 tests
The best year to buy a used Quadzilla H 300 is 2012, which has the highest MOT pass rate at 80.0% across 85 tests. The 2011 model year has the lowest pass rate at 74.0% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Quadzilla H 300 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Quadzilla H 300 THIS CAR | 76.8% | 397 | 844 mi | 16 yrs |
| Quadzilla Cf | 84.1% | 711 | 1,190 mi | 13 yrs |
| Quadzilla 300 | 83.1% | 539 | 1,361 mi | 13 yrs |
| Quadzilla Cf 500-2A (quad Bike) | 82.6% | 523 | 1,452 mi | 18 yrs |
| Subaru Legacy 4 Cam 2.5 AWD | 71% | 670 | 101,985 mi | 30 yrs |
Compared to the Quadzilla Cf (84.1% pass rate) and the Quadzilla 300 (83.1% pass rate), the Quadzilla H 300 trails behind on MOT reliability.
Found a Quadzilla H 300 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 Quadzilla H 300Should you buy a used Quadzilla H 300?
The Quadzilla H 300 has an overall MOT pass rate of 76.8% across 397 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 Quadzilla H 300 are registration plate missing (12 recorded failures), headlamp aim too low (10), and stop lamp not working (8). 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 Quadzilla H 300 owner drives around 91 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 Quadzilla H 300 models stay on UK roads for around 16 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.