2020 Mazda CX-30 SE-L LUX Mhev 2.0L Petrol · P12 PAT

The 2020 Mazda CX-30 SE-L Luxury MHEV’s most recent MOT test on 2025-11-05 resulted in a clean pass, marking a return to full compliance after a period of recurring advisories. While the vehicle’s 2023 and 2025 MOTs were without defects, the 2024 test revealed persistent issues with the offside and nearside rear shock absorbers, both showing light oil misting—a condition that typically indicates wear in the shock seals or internal components. This pattern suggests a maintenance trend that stabilised after the 2023 MOT, with the 2024 advisories likely reflecting either a delayed response to wear progression or a transient issue requiring closer attention. For a buyer, this implies that while the vehicle is currently roadworthy, the shock absorber wear may warrant proactive servicing before further degradation compromises ride quality or handling. The recorded mileage of 37,016 miles for a 2020 model represents a moderate annual usage rate of around 6,169 miles, which is within the expected range for a vehicle of this age and class. Such mileage accumulation is neither unusually high nor low for a well-maintained car, but it does imply consistent exposure to road conditions and operational stresses over the past six years. The absence of significant mileage gaps suggests the vehicle has been in active use, though prolonged periods of inactivity could have contributed to minor standing-related wear, such as corrosion on brake components or fluid degradation. For a buyer, this usage profile means the vehicle’s suspension, brakes, and drivetrain components have experienced typical wear patterns, and further inspection should focus on identifying any accelerated deterioration beyond the baseline expected for its mileage. Given the recent MOT history and the vehicle’s age and mileage, the buyer should conduct a thorough physical inspection to address the identified advisories and ensure long-term reliability. The light oil misting in the rear shock absorbers indicates that the seals or internal components may be nearing failure, leading to reduced damping effectiveness, clunking noises during cornering or over bumps, and potential uneven tyre wear. On a test drive, listen for excessive suspension clunks or a loss of ride comfort, and check for any visible oil leaks around the shock absorber mounts. Impending maintenance should include a full shock absorber service, ideally replacing the affected units before they fail completely, which could result in a harsh ride, compromised handling, or even structural damage from unchecked suspension collapse. For practical checks beyond the MOT advisories, the buyer should verify the condition of the vehicle’s tyres, ensuring they meet minimum legal tread depths and inspecting for sidewall cracking or perishing, which can weaken the tyre structure over time. Given the vehicle’s age, the 12V battery should be tested for capacity and cleanliness, as prolonged standing or high ambient temperatures can accelerate battery degradation. Additionally, the brake system should be examined for signs of corrosion on discs or binding calipers, particularly if the vehicle has been stationary for extended periods. Fluid levels, including brake fluid, coolant, and transmission fluid, should be checked for contamination or degradation, as these fluids degrade over time regardless of mileage. Finally, the service history should be reviewed to confirm that routine maintenance, such as oil changes and filter replacements, has been conducted according to Mazda’s recommended intervals, which for this model’s hybrid powertrain may include specific checks for the electric motor and inverter components.