Quadzilla 300 Reliability, MOT Pass Rate & Common Faults
Free Quadzilla 300 car check
Is the Quadzilla 300 reliable? We analysed 539 real MOT tests across 161 vehicles to find out.
Got a specific Quadzilla 300? Enter the reg for a free check:
The Quadzilla 300 is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Quadzilla 300.
Quadzilla 300 Number Plates
Number plates registered to a Quadzilla 300. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Quadzilla 300 MOT Pass Rate by Year
How likely is a Quadzilla 300 to pass its MOT? Here's the pass rate for each registration year, newest first.
Quadzilla 300 Problems — What Goes Wrong?
The most common reasons a Quadzilla 300 fails its MOT, ranked by how often they occur. Check for these problems before you buy.
Quadzilla 300 Common Faults & Problems
These are the most common serious faults found on Quadzilla 300 models during MOT testing — flagged as dangerous or major failures that need immediate attention.
Quadzilla 300 Mileage — What's Normal?
How many miles does a typical Quadzilla 300 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Quadzilla 300 MOT Data by Registration Year
Full breakdown of pass rate and mileage for each year. Use this to compare the Quadzilla 300 year you're looking at.
| Year | Tests | Pass Rate | Low Mi. | Typical Mi. | High Mi. |
|---|---|---|---|---|---|
| 2016 | 72 | 88.9% | 578 | 1,195 | 2,356 |
| 2015 | 146 | 82.9% | 803 | 1,500 | 2,757 |
| 2014 | 115 | 84.3% | 544 | 1,172 | 2,078 |
| 2013 | 87 | 82.8% | 976 | 1,714 | 2,172 |
How Long Does a Quadzilla 300 Last?
Based on 161 Quadzilla 300 vehicles on UK roads.
Quadzilla 300 Mileage Distribution
Total mileage recorded across all Quadzilla 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 300
Based on MOT pass rates across all registration years with sufficient test data.
88.9% MOT pass rate from 72 tests
82.8% MOT pass rate from 87 tests
The best year to buy a used Quadzilla 300 is 2016, which has the highest MOT pass rate at 88.9% across 72 tests. The 2013 model year has the lowest pass rate at 82.8% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.
How Does the Quadzilla 300 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Quadzilla 300 THIS CAR | 83.1% | 539 | 1,361 mi | 13 yrs |
| Quadzilla Cf | 84.1% | 711 | 1,190 mi | 13 yrs |
| Quadzilla Cf 500-2A (quad Bike) | 82.6% | 523 | 1,452 mi | 18 yrs |
| Quadzilla H 300 | 76.8% | 397 | 844 mi | 16 yrs |
| Peugeot 208 Access A/c | 95.2% | 478 | 45,002 mi | — yrs |
Compared to the Quadzilla Cf (84.1% pass rate) and the Quadzilla Cf 500-2A (quad Bike) (82.6% pass rate), the Quadzilla 300 sits in the middle of the pack on MOT reliability.
Found a Quadzilla 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 300Should you buy a used Quadzilla 300?
The Quadzilla 300 has an overall MOT pass rate of 83.1% across 539 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 suspension arm has excessive play in a pin/bush with 5 recorded occurrences. Check for this on any test drive or pre-purchase inspection.
On the safety side, the most frequently flagged dangerous fault is parking brake efficiency less than 50% of the required value. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Quadzilla 300 with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.
A typical Quadzilla 300 owner drives around 148 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 300 models stay on UK roads for around 13 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.