Spark plug OEM Toyota or Motorcraft

Toyota Corolla (2017) gets 30/36 mpg and cost $13K with 80K miles on it. Insurance $100/month for maximum coverage. I have had it since 2019 and have never had any maintenance except spark plugs (once), battery (once) and tires (once), and oil changes. So I have spent maybe $1000 on maintenance in 6 years.

My feels like it’s running brand new with 100k plus miles ????

I bought six OEM spark plugs at the Toyota dealership parts counter and it was $12!

OEM Toyota plugs will probably last forever but it depends if your gas mileage is like 5 to 10 miles less that's the only way I would change the back plugs.

Spark plugs 100k miles - $25

Oem Motorcraft plugs are always my go-to. They generally last around 80k miles.

Modern Ford engines tend to work best with Motorcraft or NGK spark plugs.

I heard from an old ford mechanic once that ford designed their ignition system around the motor craft plugs and no other brand plug will run right if installed. Since then only motorcraft or autolite in my fords.

Last thing on my agenda is the spark plugs. Got it with 131K and I’m pretty sure the previous owner literally sold it to avoid doing them. I know I should have done them yesterday, but god it looks like a bitch, even with Car Care Nut’s guide. I’m planning on doing the job with the new plenum gaskets, and ignition coils while I’m back there.

That's better than the Motorcraft plugs I received from Rockauto. They were bouncing around (no longer in their original little boxes) in a large shipping box with 2 sets of brake pads.