I think 6K or 7.5K miles is the typical recommendation for modern cars that use synthetic oil. I know my BRZ's manual recommended 7.5K unless I'm taking it to

I think 6K or 7.5K miles is the typical recommendation for modern cars that use synthetic oil. I know my BRZ's manual recommended 7.5K unless I'm taking it to the race track. 10K is probably fine with full synthetic oil if you're driving conservatively.