More Americans are shopping for new car insurance policies this year than ever before, as rising premiums push drivers to switch providers in search of big savings, according to a recent study.

Johnny Farias has three personal cars and two work vehicles for his electrician business. That means five sets of car keys—and a lot of insurance policies to manage.

When his premiums went up on renewal, he started shopping.

"They said they had to do a monthly increase of $1,088," Farias said. "If it went up $100 I'm pretty sure we wouldn't have done anything."

After switching providers, he said he saved about $2,000 over six months.

"That's a mortgage payment," he said.

Study shows record-high number of shoppers

J.D. Power released a study in May that found 57 percent of auto insurance custo

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