What is car reliability and how is it measured in the UK?

Car reliability refers to a vehicle's ability to perform as expected over time under normal UK driving conditions, measured through metrics like failure rates, lifespan, and maintenance requirements. In the UK market, reliability is a key factor when purchasing popular models like the Toyota Corolla, Vauxhall Corsa, or Volkswagen Golf. The main aspects of reliability include: 1) Fault-free performance - measured by reliability rates and failure probability; 2) Durability - assessed through average lifespan metrics and mileage benchmarks; 3) Maintainability - evaluated by service intervals, repair times, and typical UK servicing costs. UK-specific reliability data is available through sources like What Car? reliability surveys and the Driver Power customer satisfaction reports.