vs
Spark plug Autolite or OEM Subaru
Reviews
The most expensive proposition was a new windshield, but your particular insurance could solve that. Spark plug replacement was a surprise as far as cost is concerned. I've routinely changed the oil and cvt fluid once. No other maintenance issues. I love the car. Incredible roominess in the cabin and very capable offroad when needed.
Pros: no other maintenance issues, capable offroad
Cons: expensive windshield, costly spark plug replacement
Vehicle:
Subaru Forester
Mileage: 98000 km
I've been running autolite in pretty much every domestic that comes through my shop for years since they’re usually the workhorse for Ford and GM tunes. Also, I haven’t seen any dip in the plug quality lately so that's a good sign. The iridiums are still pulling clean gaps right out of the box.
Pros: clean gaps, good quality
Vehicle:
Ford
My 2015 outback has 140k miles. I just did spark plugs and belt, brakes. That's the only maintenance I've ever done other than tires and batteries.
Vehicle:
Subaru Outback
Mileage: 140000 km
I have a 3.5 ecoboost. All 6 of my Ford plugs failed because of cracks. I replaced them with AutoLite iridium XP5863. They are all still going strong after over 50k miles.\n\nThe Ford plugs failed with a cylinder misfire error code. The engine would also bog down under havy accelaration
Pros: still going strong
Cons: cracks, cylinder misfire
Mileage: 80467 km
Part number: XP5863
It\u2019s true that you dont\u2019 get quite as good performance as with the Bosch, but this is my second set of autolites and I\u2018m over 200k miles already.
Pros: high mileage, second set
Cons: not as good performance
Vehicle:
Volkswagen
Mileage: 321869 km
Dont use autolite garbage, this isnt uncommon with cheap plugs. Get NGK Iridums
Cons: cheap plugs, not uncommon issues
Pulled the spark plugs and #3 has burnt away the centre electrode. Plugs aren't all that old. Plug brand is Auto lite. Any ideas on what may be the cause?
Cons: center electrode burnt away
Vehicle:
Nissan
A quick search shows that autolite spark plugs don't seem to perform well in modern vehicles, you might have to go for a higher quality closer to OEM quality plugs.
Pros: higher quality, OEM quality
Cons: don't perform well
I now dread doing spark plugs. Something that’s super easy to do on most 4 cyl cars is a PITA doing on my ej25.
Cons: spark plugs difficult to replace
Homie, do not run Autolite plugs.
Cons: do not run
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Which spark plug to choose — Autolite or OEM Subaru?
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:
- PR Score.
- Overall ranking.
- Vote balance.
- Average rating.
- Number of reviews.
- Feature ratings.
- Car owners’ choice.
Which spark plug are better — OEM Subaru or Autolite?
In March 2026 on PartReview, spark plug OEM Subaru were overall better than Autolite.
- Autolite received a PR Score of 41 out of 100, and OEM Subaru scored 69 points.
- Autolite ranked 17 in the overall ranking, and OEM Subaru ranked 13.
- The average rating is higher for OEM Subaru (3.7) than for Autolite (2.5).
-
Spark plug OEM Subaru have better feature ratings than Autolite:
- Starting - owners believe, that this property for OEM Subaru is better than Autolite.
- Acceleration - drivers claim, that this property for OEM Subaru is outperforms Autolite.
- Idle - reviews suggest, that this property for OEM Subaru is preferred to Autolite.
Which spark plug are more popular — Autolite or OEM Subaru?
Spark plug Autolite and OEM Subaru were equally popular according to data in March 2026.
By vote balance, spark plug OEM Subaru surpassed Autolite:
- For Autolite, the ratio of positive (181) to negative (253) votes is -72 votes.
- For OEM Subaru, the ratio of positive (32) to negative (14) votes is 18 votes.
By number of reviews, spark plug Autolite surpassed OEM Subaru:
- For spark plug Autolite there are 140 reviews: 51 positive, 14 neutral, 75 negative.
- For spark plug OEM Subaru there are 15 reviews: 10 positive, 1 neutral, 4 negative.
Which spark plug do car owners prefer — Autolite or OEM Subaru?
In March 2026, according to PartReview, spark plug Autolite and OEM Subaru have not taken top places in car-specific ratings. You can help by adding your review about these manufacturers.
Other comparisons of spark plug
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of spark plug Autolite with: NGK, Bosch, Denso, Champion, AC DELCO, BRISK, OEM Volkswagen, OEM Toyota, Motorcraft, OEM FORD.
Also available: comparisons of spark plug OEM Subaru with: NGK, Bosch, Denso, Champion, AC DELCO, BRISK, OEM Volkswagen, OEM Toyota, Motorcraft, OEM FORD.
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.