I’ve had an APR stage 1 ECU tune on my 2017 GTI since 2020 with zero issues. I don’t track it. Just change plugs every 20k miles and have VW use OEM plugs.
I changed the spark plugs in my nieces 2.5L VW Jetta because it was idling at 1300rpm. Rock solid idle at 700rpm afterwards. Easy way to save some gas.
Changing the spark plugs, spark plug wires, ignition coil and the coolant temperature sensor fixed the cold start issue.
2005 Camry 2.4L just changed original plugs at 130k miles. I go 5k on synthetic oil and don't have to add any between oil changes.
These are OEM plugs without the VW branding so cheaper, I run these in my stage 1 Mk7 GTi and they are good just need to gap them down quite a bit as out the box they are I think .32? I change them every 15,000km or every 2nd oil change
The OEM plugs are iridium and are good for 120k miles, per Toyota. I paid about $16 per from a dealership (which I was happy to do, because its a job I dont want to be doing again in 50k miles).
Customer had misfires, bought oem spark plugs and coil pack. Customer came back couple months later, misfire came back. Found that port injector was bad.
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.
A regional tire store / repair center "recommend" spark plugs on my Sienna at 92K for $850 (intake manifold has to come off to get at 3 of the plugs). I asked them what benefit would there be in replacing spark plugs at 92K considering Toyota sets the spark plug replacement at 120K.
Hope you screwed them in with the correct torque, unlike my VW dealer. They started to unscrew themselves and causing instant misfire and rpm drops to 200 and engine shutoff.
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If choosing spark plug across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare spark plug across these categories:
In March 2026 on PartReview, spark plug OEM Volkswagen were overall better than OEM Toyota.
In March 2026 on PartReview, spark plug OEM Volkswagen were overall more popular than OEM Toyota.
By vote balance, spark plug OEM Volkswagen surpassed OEM Toyota:
By number of reviews, spark plug OEM Volkswagen surpassed OEM Toyota:
In March 2026, according to PartReview, spark plug OEM Toyota led more car-specific ratings than OEM Volkswagen:
OEM Toyota are chosen by owners of cars such as: Toyota Corolla, Toyota Camry, and others.
Spark plug OEM Volkswagen have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of spark plug OEM Toyota with: NGK, Bosch, Denso, Autolite, Champion, AC DELCO, BRISK, Motorcraft, OEM FORD, OEM BMW.
Also available: comparisons of spark plug OEM Volkswagen with: NGK, Bosch, Denso, Autolite, Champion, AC DELCO, BRISK, Motorcraft, OEM FORD, OEM BMW.
You can also see who is better among other spark plug manufacturers: Bosch or NGK, NGK or Denso, NGK or Autolite, NGK or Champion, NGK or AC DELCO.
