21 escape 211,000 miles

I agree with 15K after a used oil analysis. Also, isn't Amsoil XL their lowest tier oil? I'd probably use Mobil 1 Extended Performance or Castrol EDGE gold for probably the same cost as that Amsoil.
 
300 Highway miles a day, 5 days a week driving? Mobil 1 5w30 15K or a boost on the Amsoil and 20k or if me, I'd give the HPL a shot at 25k with a used oil analysis!!
 
I agree with 15K after a used oil analysis. Also, isn't Amsoil XL their lowest tier oil? I'd probably use Mobil 1 Extended Performance or Castrol EDGE gold for probably the same cost as that Amsoil.
It's their "mid grade" on par with most off the shelf extended drains. Their OE is the next lowest tier and recommends following OLM from manufacturers.
 
I agree with 15K after a used oil analysis. Also, isn't Amsoil XL their lowest tier oil? I'd probably use Mobil 1 Extended Performance or Castrol EDGE gold for probably the same cost as that Amsoil.
XL = Mid level, very good oil. Not sure why the recommendation to change oils.

I do agree, a used oil analysis would be wise. 15K should be doable.
 
300 miles a day?? Wow. And I imagine it gets driven a little on the weekends too…so let’s say…1,6000 miles a week, 6,400ish a month. Yeah, I’d just go with Amsoil Signature Series and double that interval you’re doing to 14,000-15,000 miles (with an analysis afterwards). I imagine you’re using the vehicle for work, the expense of the analysis and expensive oil will be a right off anyway. Or try what HPL has to offer - you’re the perfect candidate for a boutique oil with the amount of driving you do.
 
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