Castrol Edge Extended Performance 5w30

RBYM · 2026-02-15T22:16:15-0600

Anybody running this oil? Is it any good for the Fiesta ST 1.6L turbo?

Intuit · 2026-02-15T22:59:00-0600

Normal 'Edge' but not 'extended' or 'high mileage' or any of the other variants.
Main reason for changing isn't break down, but contamination.
Filter and additive package can only do so much.

RBYM · 2026-02-15T23:51:02-0600

Intuit said:

So your saying go only for the Edge not the Extended Protection? Or you’ve only tried just the regular Edge?

lemonjs · 2026-02-16T01:42:56-0600

I’ve used regular edge for 8 years, no issues

Intuit · 2026-02-16T18:05:36-0600

Have not tried and have no intention on doing so.
If for some reason you're keeping your oil in extra long, it might make sense to try.
But it is better to simply change it.

Capri to ST · 2026-02-16T18:20:40-0600

I use Mobil 1 extended performance but don't use it to lengthen the oil change interval.The reason I use the extended performance is that it has a more robust additive package than the regular Mobil 1.
I change it once a year which for me is at about 3500 MI. I figure this gives me the best of both worlds, the more robust additive package of the extended performance version with the shorter oil change interval of the regular version.
I don't know for sure that it makes any difference but it only costs a couple dollars more than the basic version for a 5 quart jug at Walmart so I figure why not?
You could apply this same logic to the Castrol Edge which you're asking about.

XanRules · 2026-02-16T19:30:14-0600

I'm not running it, but if it meets factory specs, it's fine.

killer5280 · 2026-02-16T19:52:38-0600

I run STP full synthetic 5w30 from Autozone or Super Tech.
I would run that Castrol too.

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Castrol Edge Extended Performance 5w30

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