2018 Mazda 3 2.0L Petrol · DO07 LEY

A clear pattern emerges from the MOT history of this 2018 Mazda 3, defined by four consecutive clean passes from 2021 through 2024 followed by a 2025 test that, although a pass, was accompanied by a cluster of advisories all pointing to the braking system and one tyre. The disc and pad wear advisories on both axles, combined with the pitted/scored disc observations, suggest the braking components have reached the latter portion of their service life and are likely approaching the point at which replacement will be required. The fact that all four corners were flagged simultaneously indicates even wear progression rather than a single sticking caliper or uneven load, which is consistent with the vehicle's age and accumulated mileage. The nearside rear tyre damage advisory is relatively minor but should not be ignored, as perished sidewalls can fail under load. Overall, the vehicle has not failed any test in the recorded period, but the 2025 advisory cluster marks a turning point from a mechanically uneventful record to one requiring near-term attention. With five recorded MOT tests over the years 2021 to 2025 and a recorded mileage of 40,364 miles on an eight-year-old car, the annual accumulation works out to roughly 5,000 miles per year, which is notably low for the vehicle's age. The test intervals are remarkably regular at approximately twelve months apart, with no significant gaps that would suggest the car was laid up off the road for extended periods. This consistency implies the vehicle has been in continuous, albeit light, use, which generally reduces the risk of issues such as seized brake calipers, dry-rotten suspension bushes, or 12V battery deterioration associated with long-term standing. However, lower annual mileage does mean that components do not always wear out through use alone; rubber seals, boots, and bushes can still degrade with age, and brake discs can pit from environmental exposure and infrequent heavy braking rather than pad wear alone, which may partly explain the pitted disc advisories seen here. A prospective purchaser should focus their pre-purchase inspection on the braking system flagged in the 2025 advisories. On a test drive, listen for any grinding or scraping from the front or rear wheels, and pay attention to brake pedal feel: a spongy pedal, excessive travel, or pulsation through the pedal under firm braking could indicate that the pitted discs have now reached a serviceable minimum thickness or that a caliper slide pin has begun to bind. With the front and rear pads noted as wearing thin, budget for a full axle pad replacement and likely disc refurbishment or replacement, and obtain a quote from a Mazda specialist or competent independent garage, as Mazda 3 rear brake servicing often requires electronic parking brake retraction via diagnostic tooling. Visually inspect the nearside rear tyre for any sidewall bulges, cracks extending into the tread, or uneven shoulder wear, replacing it if any structural damage is evident rather than simply superficial cracking. Beyond the flagged items, a road test should include pressing firmly on each corner of the vehicle to check for knocking or excessive movement from the front suspension arms, anti-roll bar bushes, and rear trailing arm bushes, all of which are known wear points on Mazda 3s of this generation. Listen for clonks over speed bumps, particularly from the rear, and check for any steering pull or vibration that could indicate worn front suspension geometry or wheel bearing deterioration. Inspect the underside for any signs of fluid seepage from the engine oil sump, gearbox, or power steering rack, and check the exhaust system for corrosion around the mounting rubbers and joint clamps, as eight-year-old exhaust components on a lightly driven car can still suffer internal corrosion. Finally, verify that the engine bay and service intervals have been kept in line with Mazda's schedule, as the MOT record alone cannot confirm servicing has been carried out to the manufacturer's requirements.