2004 Volkswagen Passat 1.9L Diesel · GD04 GWM

The most recent MOT test for the 2004 Volkswagen Passat occurred on 2025-07-08, resulting in a passing outcome with no recorded defects. However, the vehicle’s MOT history reveals a pattern of failure and passing tests over the past two years, with two failures in July 2024—specifically on 2024-07-20 and 2024-07-15—followed by a subsequent passing on 2024-07-23. While the failures themselves do not list specific mechanical issues, the repeated testing suggests underlying wear or potential issues that may have been either overlooked during initial inspections or were resolved only to reappear. The earlier passing on 2023-06-06 and 2024-07-23 indicates that the vehicle has maintained roadworthiness in the absence of critical failures, but the trend warrants cautious attention, particularly regarding suspension, braking, or drivetrain components, which are common failure points in high-mileage vehicles of this age. The recorded mileage of 150,940 miles for a 22-year-old Passat reflects a moderate annual usage rate of approximately 6,861 miles per year, which is within the expected range for a vehicle of this age and class. However, the mileage data does not reveal any extreme outliers that would suggest either excessive wear from high annual mileage or prolonged idleness, which could lead to specific issues such as fluid degradation or corrosion from standing. The gap between the 2023 and 2024 MOTs spans nearly 12 months, which is relatively long for a vehicle under test, potentially allowing wear to progress unchecked. Over time, high-mileage vehicles like this often experience accelerated wear in suspension components, brake systems, and drivetrain elements, particularly if the vehicle has been driven in harsh conditions or over rough terrain. Given the MOT history’s relative cleanliness aside from the two recent failures, the buyer should prioritise a thorough mechanical inspection to identify any underlying issues that may have caused those failures. Focus on the suspension system, checking for worn suspension bushes, damaged coil springs, or binding strut mounts, which can lead to clunking noises, uneven ride quality, or excessive play in the steering wheel. Inspect the braking system for signs of excessive brake pad or rotor wear, binding calipers, or corrosion on brake discs, which could result in a shuddering brake pedal or reduced stopping power. Listen for unusual noises during acceleration, braking, or cornering, as these may indicate drivetrain or exhaust system issues. Additionally, verify the condition of the exhaust system for leaks, rust, or structural integrity, as emissions-related failures are common in older vehicles. For a vehicle of this age and mileage, the buyer should also conduct a visual and functional inspection of fluid levels and condition. Check the engine oil for contamination or darkening, which may indicate wear or overheating, and the coolant system for signs of leakage or corrosion. The 12-volt battery should be tested for voltage output and overall health, as older batteries in high-mileage vehicles can fail unexpectedly. Inspect the tyre tread depth and sidewall condition for signs of perishing, cracking, or excessive dry rot, which can compromise tyre integrity and safety. Finally, verify that the vehicle’s service history is up to date, particularly for fluid replacements such as brake fluid, differential fluid, and transmission fluid, which degrade over time and should be serviced every 60,000 to 100,000 miles or every 5 to 10 years, depending on the manufacturer’s recommendations. If the vehicle has been stored for extended periods, check for standing corrosion on the undercarriage, particularly around wheel arches and exhaust components, as prolonged exposure to moisture can accelerate rust formation.