This comes up every once in a while with the same answers from a regular unprotected 7805 to multiple protection levels. If this is a non-critical electronic item, nothing more than an automotive spec regulator is needed (LM2937 or LM2940 is fine) and maybe a TVS. I have old electronics that use nothing more than a reverse protection diode and a standard (non-automotive spec) regulator that have been running for years in a few vehicles with no issues and these are modified vehicles with less than stellar electrical systems. I have over a couple dozen items in cars/motorcycles now running LM2937's alone and I've never had a problem with the power supply.
If this is a critical electronics item, meaning vehicle won't run without it, then go ahead and add additional surge suppression and protection. That LT4356 from BrownOut's link looks really good and has good quantity at Digikey. With all its supporting components it will increase the size of most of my little boards by 50%, though. If I do another ECU or critical controller, I would definitely consider using it.