Normal oil change intervals:
Short trips, Less than 10 miles typical drive per engine warm up - Change Oil every 3000 miles or 3 months.
Long trips, Over 10 miles average drive per engine warm up -
Change Oil every 5000 miles or 3 months.
Continuous extended driving, 100+ miles per warm up -
Change Oil every 7000 miles or the maximum permitted oil change interval recommended by the vehicle manufacturer.
A full synthetic oil is capable of at least doubling these intervals, but do not do it until your engine is out of warranty! How often should I change the oil in a 1.8T?same as for any other car ... every 3-5000 miles depending on usage
if you rev it high, or drive ir hard , change it more often, if you baby it then use the latter number
Better to change too often than not often enough