2021 Volkswagen Passat SE NAV TDI S-A 2.0L Diesel · DD08 AGE

The most recent DVSA examination on 10 August 2026 resulted in a PASS with no defects recorded, indicating that the vehicle has cleared its statutory roadworthiness requirements at the time of test. Looking back across the recorded history, the pattern shows a repeating cycle where initial failures for non-compliant front and rear registration plates were addressed and subsequently cleared, allowing the vehicle to pass on a clean sheet. The more mechanically relevant item is the offside front service brake, which appeared as an advisory for fluctuating grab in August 2025, escalated to a major failure for excessive fluctuation four days later in 2026, and has now returned to a pass. This trajectory is best described as stable but with a monitored component, rather than a clear improvement or deterioration, and the brake issue should be treated as a known weak point rather than a resolved fault. With 108,074 miles recorded on a 2021 model, this Passat is covering approximately 21,615 miles per year, which is considerably above the national average and places it firmly in the high-use category. There are no significant gaps in the MOT record to suggest long periods of standing, and the consistent annual accumulation indicates regular driving, likely a mix of motorway and urban use. High mileage of this nature accelerates wear on consumable items such as brake pads, discs, clutch components if manual, tyres, and ancillary drive belts, while also bringing forward major service intervals for timing belts, water pumps, and dual-mass flywheels on diesel automatics. The DSG automatic gearbox fitted to this TDI S-A variant, in particular, benefits from regular oil and filter changes, and any evidence of jerky changes or delayed engagement should be noted. The recurring offside front brake fluctuation is the principal area for physical inspection. Fluctuation under braking typically points to a seized or sticking caliper slide pin, a binding caliper piston, a warped or excessively worn brake disc, or uneven pad wear, and it will often manifest on a test drive as a pulsing or juddering sensation through the brake pedal and steering wheel under firm deceleration, accompanied by uneven tyre wear on the inside or outside edges of the offside front tyre. You should check the offside front disc for visible lipping, ridging, or bluish heat discolouration, and confirm the caliper slides freely without corrosion. Equally important on a high-mileage diesel automatic is verifying the timing belt or cam belt service interval; for the 2.0 TDI engine, replacement is generally required around the 80,000 to 100,000 mile mark depending on specification, and a missing or undocumented change is a significant risk given the current odometer reading. Additionally, inspect the underside for any oil leaks from the sump, cam chain area, or DSG mechatronic, as these can develop silently on high-mileage examples. Beyond the recorded defects, several practical age-related and mileage-driven checks are warranted. Tyres should be examined closely for both tread depth and sidewall condition, as high-mileage motorway use can produce shoulder wear while age-related perishing or cracking remains a risk on a five-year-old vehicle regardless of tread. The 12V battery should be tested for state of health, particularly given that diesel starting systems place higher loads on it. Brake fluid, coolant, and DSG transmission oil all degrade with calendar age as well as mileage, so verify the service history shows recent changes to these fluids rather than relying solely on the MOT record. Given the persistent registration plate compliance failures in earlier tests, confirm that the current plates meet the current font, spacing, and reflectivity requirements, as this has historically caused repeat advisories. Finally, a thorough road test listening for suspension clonks over speed humps, uneven pulling under braking, and any hesitation or vibration from the drivetrain will help confirm whether the documented fluctuations were isolated brake issues or symptoms of broader wear.