A well-maintained refrigerator can easily run for 12-15 years. Simple habits make a real difference: keep the coils dust-free, don't overpack shelves (airflow matters), check door seals for gaps, and avoid setting the thermostat colder than necessary.
If you notice your fridge running louder than usual or struggling to stay cold, don't wait ù small issues caught early are far cheaper to fix than a full compressor failure later.