Modern synthetic oils run in circles around the ones my dad used, and can easily get 7-10K miles. But it will also depend on the temperature of your engine (higher temp, less life). And also contaminants. If some humidity or coolant filters to your oil because of a bad gasket or because of bad combustion, after some time the oil can become a sludge and seize your engine.
So it's a good to change oil every so often even if you don't do a lot of mileage. A year and a half or two might be OK (unless you're doing tens of thousands of miles a year), but five years... over the top, I think.
I just expend 150 a year on the yearly maintenance (oil and filter change, air filter, some other stuff...) and forget about it.
(Mind my English, not my first language and I might be butchering the car terminology)
So it's a good to change oil every so often even if you don't do a lot of mileage. A year and a half or two might be OK (unless you're doing tens of thousands of miles a year), but five years... over the top, I think.
I just expend 150 a year on the yearly maintenance (oil and filter change, air filter, some other stuff...) and forget about it.
(Mind my English, not my first language and I might be butchering the car terminology)