How often should I change the spark plugs in my Audi A6?

I just bought a used Audi A6 and I'm not sure when the spark plugs were last changed. Can you advise me on the recommended interval for changing spark plugs in an Audi A6 and any signs that might indicate they need to be replaced?

It is recommended to change the spark plugs in your Audi A6 every 60,000 miles. However, if you notice any of these signs, it's best to change them sooner: difficulty starting the car, rough idling, poor acceleration, and decreased fuel efficiency.

I would recommend changing the spark plugs every 30,000 miles to ensure optimal engine performance. You can also check your owner's manual for the specific interval for your model year Audi A6.