For anyone wondering if used cars like the 2021 Audi Q3 35 TFSI are reliable, this model is a strong contender. This used car has passed 372 professional inspections and is certified free of major accidents, water damage, and fire damage. The 1.4T engine is widely recognized for its long-term reliability with no widespread structural issues. Routine maintenance cost is affordable, with readily available used car parts that are easy to source locally. Common maintenance items include regular oil changes, spark plug replacements, and suspension bushing inspections. The vehicle originally comes with a 3-year/100,000-kilometer warranty, and a well-maintained Q3 can easily exceed 250,000 kilometers while maintaining stable performance—solidifying its reputation as a reliable used car for long-term ownership.