2001 Mazda Bongo 2.5L Diesel · BC51 NVF

The 2001 Mazda Bongo presents a stable and well-maintained roadworthiness profile heading into mid-2026. The most recent test on 14 October 2025 at 276,766 miles passed with zero defects, a clean sheet that repeats the outcome of the May 2025 test at 276,137 miles. That consistency is significant. It indicates the vehicle has moved from a period of flagged oil leaks and tyre wear into a phase where all monitored systems met standard. The maintenance trend is clearly improving. The mileage pattern warrants close attention. Between the June 2024 pass at 275,809 miles and the October 2025 pass at 276,766 miles, the Bongo covered just 957 miles over roughly sixteen months. That is extremely low annualised use, well below the already typical 11,071 miles per year suggested by its age. Such minimal accumulation raises the possibility of long periods standing idle, which can introduce its own risks: deteriorated rubber components, stale fuel, and moisture ingress into brake and suspension systems despite the clean test results. The July 2024 failure at 276,039 miles is the critical data point in this record. A continuous oil leak from the transmission posed a serious risk to road safety under item 8.4.1 (a) (ii), and the same test day saw a retest pass at the identical mileage. That confirms the leak was repaired promptly, but any prospective buyer should still inspect the transmission area thoroughly. Check the gearbox casing, selector shaft seal, and rear main seal for fresh weeping or residue that could indicate a recurring weep. The earlier June 2024 advisories on nearside rear and offside front tyre wear, along with a flat spare, suggest tyre maintenance was neglected before the current clean run. Inspect all four tyres for uneven wear patterns and verify the spare is inflated and serviceable. Given the low recent mileage but the age of the vehicle at twenty-five years, focus the physical inspection on rubber and structural components that degrade with time rather than distance. Examine suspension bushes, coil spring seats, and the chassis rails for perishing or corrosion, particularly around the rear load floor where commercial use often concentrates moisture and road salt. Check brake calipers for binding and flexible hoses for cracking, as infrequent use can cause seals to dry and discs to surface-corrode. The clean MOT record is encouraging, but it reflects a snapshot. A hands-on inspection of these age-sensitive areas will confirm whether the Bongo's mechanical condition truly matches its paperwork.