I know they do for motorcyclists even tho’ I pay only $100 year for that coverage (Liability w/extra coverage). “increasing your deductible from $200 to $500 could reduce your collision and comprehensive coverage cost by 15 to 30 percent. Going to a $1,000 deductible can save you more than 40%.” Wow, I’ve never seen such a huge discounts for California car insurance.Auto, more like 5 to 10%discount per jump in deductible. Ramit, thank you!We saved $700 by switching from farmers to Costco Ameriprise!. costs go up if you buy a high-performance or more expensive automobile auto insurance discount tips. Talk to your agent about the cost of insurance before you buy.