San Diego car insurance because is a turist city and to mention that is one of the most expensive cities in the USA.
Check out http://www.kanetix.com/san-diego-auto-insurance-ca for a list of inurace agents in San Diego.
There are several websites that offer car insurance quote for San Diego, CA. I would suggest trying www.geico.com.
Wawanesa Auto Insurance is a car insurance agency serving just the San Diego area. They are the cheapest in the area and provide good service as well.
The best rates in San Diego can be found, simply on the web, just go to www.geico.com
San Diego offers Allstate, State Farm, Progressive, GMAC and many other carriers.
San Diego is 502.31 miles away from San Francisco by car.
David Muscat State Farm Insurance and Financial Services Office is very good - www.davidmuscat.com - (619) 795-3853
For cheap car insurance, you can choose many places offered all around the country. You can easily access them online. A good company is Geico.com
Los Angeles is approximately 2 hours by car from San Diego. Sacramento is about 8 or 9 hours by car.
Use esurance.com. It lets you compare lots of different insurers by location.
Yes you just must purchase the Mexican insurance to drive into MX
Use esurance (esruance.com) or Progressive (progressive.com) to compare quotes from multiple repuatable agencies.