2016 SEAT Ateca 2.0L Diesel · WK66 TNN

The vehicle remains roadworthy, but the maintenance record shows a worsening trend regarding underbody corrosion. In the most recent test conducted in November 2025 at 76,529 miles, the tester identified heavy corrosion on the nearside and offside rear suspension arms as well as the rear sub-frame. While these components were not yet severely weakened enough to fail, the progression from light corrosion in 2024 to heavy corrosion in 2025 indicates that oxidation is accelerating. The mileage pattern is consistent with the vehicle's age, averaging approximately 7,600 miles per year over the ten-year period. Data shows a steady accumulation, from 38,877 miles in September 2021 to 76,529 miles in late 2025. This regular usage suggests the car has not been stationary for long periods, which generally helps maintain mechanical seals. However, the low annual mileage has not prevented the structural degradation issues typically arising from environmental factors or road salt exposure on the vehicle's lower chassis. A buyer must perform a thorough physical inspection of the rear sub-frame and lower suspension arms to determine if the corrosion has compromised structural integrity. The recurring reports of oil misting on the nearside front shock absorbers, noted in 2022 and again in 2024, suggest these units are nearing the end of their functional life. Additionally, the thin brake pads flagged in October 2023 at 61,282 miles necessitate a check of the current braking system components to ensure they have been replaced since that advisory.