Sooooooooo, one size fits all? Every driving situation and every environment is the same? That may be a good recommendation for those that know nothing about their vehicle, but may not be the end-all, be-all for those that do understand something about their vehicle.

And let's face it, the auto manufacturers and oil slingers have mixed loyalties on this subject. Their own economics play a role in their recommendations. That situation is most evident when you look at the SRT oil recommendations.