2021 Volvo XC90 R-Design B5 Mhev AWD Auto 2.0L Electric diesel · YY71 NCC

The most recent official DVSA MOT test for this 2021 Volvo XC90 R-Design B5 MHEV AWD took place on 7 November 2025 and resulted in a clean pass with no defects or advisories recorded, which is the most favourable possible outcome at this stage of the vehicle's life. The previous test on 11 October 2024 also returned a clean pass with no recorded defects. Although the available history is relatively short, covering only the two most recent tests, there is no negative trend, repeat failure pattern, or accumulating advisories to suggest that the vehicle has been deteriorating mechanically between examinations. A vehicle achieving successive passes without advisories indicates that the consumable items typically monitored at test, such as brakes, tyres, suspension components, lighting, and emissions equipment, were within legal limits at both points. For a prospective buyer, this represents a reassuring baseline, though it remains essential to verify that any remedial work suggested by service intervals has been carried out independently of the MOT process. The recorded mileage of 34,566 miles over a five-year period equates to an average annual usage of approximately 6,913 miles, which is broadly typical for a vehicle of this age and class. There are no significant gaps or sudden spikes in the recorded mileage history that would suggest extended periods of standing or exceptionally heavy use in any particular interval. This moderate and consistent usage pattern is generally favourable, as the mechanical components, including the mild hybrid powertrain, all-wheel drive system, automatic transmission, and braking equipment, will have been regularly exercised without being subjected to the accelerated wear associated with very high mileage accumulation. The B5 MHEV powertrain combines a diesel engine with a 48-volt mild hybrid system, and regular use is beneficial for keeping the electrical system, battery management, and regenerative functions in good working order, whereas prolonged standing can lead to specific concerns such as battery degradation and oil seal drying. Given the clean MOT history and moderate mileage, there are no specific recurring defects or advisories to investigate further, but a prospective buyer should still undertake a thorough age-and-usage-appropriate physical inspection. Although the recorded mileage is not exceptionally low, tyres on a vehicle of this age can suffer from sidewall perishing and cracking due to UV exposure and environmental conditions rather than tread wear alone, so all four tyres and the full-size spare if fitted should be examined for signs of rubber degradation, and the manufacturing date codes should be checked to ensure they are not excessively old even if tread depth remains adequate. Brake discs on a vehicle that may have experienced periods of light use or standing are susceptible to surface corrosion, which can manifest as brake shudder or vibration under heavy pedal application, and any binding calipers should be identified by checking for uneven pad wear or signs of resistance when the wheel is rotated by hand. The 12-volt battery, which supports the mild hybrid system's control electronics, should be tested for state of charge and load capacity, as a five-year-old battery is approaching the upper end of its typical service life and replacement may be imminent regardless of test results. In addition to the mechanical inspection points already noted, time-based servicing items should be scrutinised closely because the MOT test does not cover internal condition of fluids, filters, or drivetrain wear. Brake fluid is hygroscopic and degrades with calendar age, typically requiring replacement every two years regardless of mileage, and a service history stamp confirming this should be verified. Coolant, transmission fluid for the automatic gearbox, and the diesel fuel system should be inspected in line with Volvo's published service schedule, paying particular attention to the condition of the diesel particulate filter and the AdBlue system, which are critical to emissions compliance and can incur substantial rectification costs if neglected. The full Volvo service book and ideally a main dealer or specialist independent stamp record should be present, and it is worth ensuring that any diagnostic software updates for the mild hybrid control modules and the AdBlue dosing system have been applied. On a test drive, particular attention should be paid to smooth engagement from the automatic transmission, any warning messages relating to the hybrid system, unusual knocking or squeaking from the suspension over uneven surfaces, and confirmation that the diesel engine starts readily both cold and warm. These checks will help ensure that the clean MOT history reflects genuine mechanical integrity rather than simply a lack of defects at the point of test.