Is it necessary to replace the spark plugs on my Audi 80 every 30,000 miles?

I have a 1990 Audi 80 and was wondering if there is any specific recommendation for replacing the spark plugs. Should I wait until they start failing or do they need to be replaced every 30,000 miles? Any tips on prolonging their lifespan?

It is recommended to replace the spark plugs on your Audi 80 every 30,000 miles to ensure optimal performance and fuel efficiency.

Old or worn spark plugs can cause issues with starting your car, decrease in fuel efficiency, and even engine misfires. It's best to replace them according to the manufacturer's recommendations.