The S3 is a performance sports sedan based on Audi's luxurious entry level vehicle, the A3. Like most other Audi vehicles, the S3 comes packed with a number of safety and driver assistance features to make for a safer and more enjoyable driving experience. These features could also help to reduce your auto insurance rates. According to our estimates, auto insurance for an Audi S3 costs about $132 a month, or $1,584 per year, roughly $250 more than the national average of $1,318. However, your actual cost may differ, as there are a number of factors that influence the price of car insurance. Your driving history, build options on your vehicle and location are just a few of the many variables. For example, living in California could have you paying closer to its average of $1,962, whereas residents of Idaho might pay a more manageable $1,053. This is why it's always important to compare your options before deciding on a policy and provider. Filter car insurance companies by your state to get a quote.