The average discount for seniors on car insurance is not explicitly stated in the provided information. However, it is mentioned that seniors pay on average $1,315 per year or $110 per month for auto insurance, and that insurance rates for seniors may vary depending on factors such as age, location, and level of coverage. Some companies, such as Geico, AutoOwners, State Farm, USAA, and Erie, offer competitive rates for senior drivers, and may also offer discounts for factors such as customer loyalty, accident-free driving, and good driving habits. Additionally, the AARP Auto Insurance Program through The Hartford offers special discounts on auto insurance for seniors, which can result in average savings of $507.