2023 Mazda CX-30 GT Sport Tech Mhev Auto 2.0L Petrol · DX23 KZB

The latest DVSA MOT test for the 2023 Mazda CX-30 GT Sport Tech MHEV Auto recorded a passing result on 2026-05-29, with no major defects or failures reported. However, the presence of two advisories—both concerning the rear suspension—indicates a recurring issue with the nearside and offside rear shock absorbers, each showing light oil misting. This pattern suggests a maintenance trend that requires attention, as oil misting in shock absorbers typically signals wear at the seals or internal components, which can degrade further if left unaddressed. While the vehicle has passed its most recent MOT, the advisories imply that the suspension system may be approaching a point where more significant wear or failure could occur, particularly if the vehicle is subjected to rough road conditions or heavy loads. This is not a failing condition but a clear indication that the shocks should be inspected or replaced sooner rather than later to prevent reduced handling performance, increased ride harshness, or even suspension failure during operation. The recorded mileage of 23,172 miles for a vehicle aged three years represents a reasonable annual usage rate of approximately 7,724 miles, which aligns with typical driving patterns for this model class. This level of mileage is not excessively high for a three-year-old car, though it does suggest some regular use, particularly if the vehicle was driven in mixed conditions rather than standing idle for extended periods. However, the absence of significant mileage gaps or rapid accumulation over the past year does not necessarily indicate excessive wear beyond what is expected. The suspension system, for instance, may have accumulated some stress from this usage, which is why the oil misting advisories are present. Brakes, tyres, and fluids should also be monitored closely, as higher mileage can accelerate wear on consumables like brake pads, suspension components, and engine lubricants. It is prudent to consider the vehicle’s usage history to gauge whether the mileage figures reflect typical operational demands or if there were periods of heavy or aggressive driving. Given the advisories on the rear shock absorbers, the prospective buyer should prioritise a thorough inspection of the suspension system. On a test drive, listen for unusual clunking or knocking noises from the rear axle area, particularly when the vehicle is driven over bumps or at higher speeds, as these could indicate further wear in the suspension mounts or bushings. Inspect the shocks visually for any signs of bulging or oil leaks, and check for uneven ride height or excessive body roll, which may suggest internal damage. If the shocks are confirmed to be worn beyond the advisory threshold, replacement is strongly recommended to maintain roadworthiness and handling performance. Additionally, verify the condition of the rear tyres for signs of uneven wear, which could be linked to suspension misalignment or imbalance. If the vehicle has been parked for extended periods, check for standing corrosion on the rear suspension components, particularly around the wheel arches and undercarriage, as prolonged exposure to moisture can accelerate rust formation. For the broader vehicle inspection, given the vehicle’s age and moderate mileage, the buyer should also focus on several key areas. First, examine the tyres for sidewall cracking or perishing, which can occur even at moderate mileage if the vehicle has been stored in hot or dry conditions for prolonged periods. Check the tread depth for uniformity and signs of hydroplaning resistance, ensuring compliance with legal minimum standards. Next, inspect the brake system for signs of corrosion on the discs or binding calipers, particularly if the vehicle has been stationary for significant periods. A firm but even brake pedal travel and no pulsation or shudder during braking should be observed. The 12V battery should be tested for voltage when the engine is off and while the lights are on, aiming for at least 10.5 volts; a weak battery could lead to starting issues or electrical gremlins. Finally, consider the fluid levels and condition of the engine oil, transmission fluid, and coolant, as these should be serviced according to Mazda’s recommended intervals, even if the vehicle has not reached the full 100,000-mile mark. Check for any fluid leaks under the vehicle, particularly around the oil pan, transmission, and exhaust manifold, as these could indicate failing seals or gaskets. If the MHEV system is operational, verify that the hybrid components are functioning correctly, though this is less critical for a passing MOT but still worth noting for long-term reliability.