2017 Mitsubishi ASX 4 DI-D 4X4 Auto 2.3L Diesel · WN17 ZMZ

The 2017 Mitsubishi ASX 4x4 DI-D has achieved a clean MOT pass on 2026-05-22, following five consecutive tests since 2021 without any recorded defects or advisories. This consistent performance over the past five years suggests a stable maintenance regime, though the absence of any failures does not guarantee absolute reliability—particularly for a diesel engine of this age, where wear in the turbocharger, diesel particulate filter (DPF), or drivetrain components may not yet manifest in MOT failures but could develop over time. The lack of advisories, such as fluid leaks or excessive emissions, also indicates that the vehicle has likely avoided common issues like coolant leaks (which could lead to overheating) or exhaust system corrosion (which might cause smoke or reduced efficiency). However, the absence of defects does not eliminate the need for proactive checks, especially given the vehicle’s age and the potential for latent wear in critical systems. The recorded mileage of 97,686 miles for a nine-year-old ASX represents a moderate annual usage rate of approximately 10,854 miles per year, which is within the expected range for this vehicle class. This figure does not suggest either excessive wear from high mileage or prolonged idleness, though the exact usage pattern cannot be determined from the MOT records alone. A mileage of this level, however, does imply that consumables like brake pads, tyres, and suspension components may have experienced some wear, particularly if the vehicle was driven in mixed conditions (e.g., rough roads, off-road use, or frequent stops). The absence of significant mileage gaps does not rule out minor standing corrosion in the undercarriage or wheel arches, where moisture can accumulate over long periods, or potential issues with the 12V battery, which may degrade more rapidly in older vehicles if not regularly tested. Additionally, the diesel engine’s turbocharger and diesel particulate filter could be approaching their operational limits, especially if the vehicle has been driven in stop-start city traffic, which can accelerate turbo wear and DPF clogging. Given the clean MOT history and moderate mileage, the prospective buyer should conduct a thorough physical inspection of the vehicle’s structural integrity and consumable components. Begin with the tyres, checking for sidewall perishing or cracking, which can occur even at moderate mileage due to age-related degradation of the rubber compound. Inspect the tread depth and look for signs of uneven wear, which may indicate misalignment, suspension issues, or poor wheel balance. Next, examine the undercarriage for signs of rust or corrosion, particularly around the wheel arches, exhaust system, and suspension mounts, as standing fluids and road salt can accelerate deterioration in these areas. Pay close attention to the exhaust system for leaks, cracks, or excessive emissions, as these can lead to MOT failure if not addressed, and check for any unusual noises or vibrations during the test drive, which might indicate drivetrain or suspension problems. During the test drive, listen for any abnormal noises such as clunking from suspension bushes or coil springs, which can signal wear or failure in the front or rear suspension. Check for uneven tyre wear patterns, which may point to alignment issues or camber problems, and inspect the brake system for signs of binding calipers, excessive brake dust, or warping of brake discs, which can occur if the vehicle has been left standing for prolonged periods. Test the steering for any play or resistance, which could indicate a failing steering rack or tie rod ends. Additionally, verify that all fluid levels—oil, coolant, brake fluid, and windscreen washer fluid—are topped up and free from contamination, as fluid degradation over time can lead to engine damage, overheating, or brake failure. Finally, consider having the 12V battery tested for charge capacity and ensuring the alternator is functioning correctly, as a failing battery or alternator can cause electrical gremlins and reduce the vehicle’s reliability. While the MOT history is clean, these checks will help identify any latent issues that may not yet affect roadworthiness but could become problematic as the vehicle ages further.