As one of the reliable used cars in its class, the core powertrain components of the 2019 Q3 35 TFSI are generally reliable with low long-term failure rates. Potential buyers looking to buy used cars should be aware of minor common problems reported by owners, including occasional air conditioning refrigerant leaks, slight transmission rough shifting at low speeds, and average cabin noise insulation. This specific used car, sourced from a reputable used car dealer, has 0 ownership transfers, passed comprehensive inspections confirming no major accidents, fire damage, or water submersion, and is in well-maintained condition, minimizing the risk of such common issues.