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Spare parts reviews ➔ All comparisons ➔ Bosch ➔ Autolite

Spark plug Bosch or Autolite

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Bosch
Autolite
Autolite › Spark plug
Cations-Kashana
  • Starting:
Rating 5.0

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
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Bosch › Spark plug
Wacky_Engineer1975
  • Starting:
Rating 5.0

It doesn't look eroded. It looks like the centre electrode tip has fallen off. That shouldn't happen. I usually only use Bosch or NGK plugs. I've never heard of Auto lite...

Pros: reliable
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Bosch › Spark plug
treegangster
  • Starting:
Rating 3.0

Changed valve cover/gasket and installed new Bosch plugs and NGK boots.

Car had slightly higher rpms at cold startup but didn\u2019t think anything was wrong. After a few days engine started to misfire. I did some research and it sounded like I should use OEM plugs. I purchased Nissan plugs from the dealer and replaced the Bosch plugs. Misfire went away, but higher rpms at cold start persisted.

Pros: misfire went away
Cons: higher rpms at cold start
Mileage: 90000 km
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Bosch › Spark plug
Br0boc0p
  • Acceleration:
Rating 3.5

Yes. However as a long time old car mechanic I learned the hard way some new cars are super picky about what spark plugs you put in them. It kind of caught me by surprise. Parts store gave me Bosch plugs their system matched to my GF's Pilot, and it fell on its face hard about a half hour into the next drive.

Pros: new cars picky about plugs
Cons: Bosch plugs caused issues
Vehicle: Honda Pilot
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Autolite › Spark plug
questionauthoritie
  • Starting:
Rating 1.0

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
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Bosch › Spark plug
nock6687
  • Acceleration:
Rating 2.0

I have a 21 xlt 4wd 2.7 and I do A LOT of driving for work. Recently crossed 80k miles and it started misfiring like crazy shortly after that and threw a code. Pulled the plugs and they were definitely fouled. I did some reading and saw most people change the plugs out around this interval so I went ahead and did it. EVERY auto part store near me only had 1 or 2 oem plugs and I couldn\u2019t really wait so I went ahead and got BOSCH iridium plugs. Well I\u2019m noticing when I get on it or go to speed up at higher RPMs/gears, I\u2019m getting what feels like stuttering or very minor misfires every now but it\u2019s not throwing any codes.

Cons: stuttering, minor misfires
Mileage: 128747 km
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Autolite › Spark plug
HeidenShadows
Rating 2.0

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
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Which spark plug to choose — Bosch or Autolite?

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:

Comparison of spark plug Bosch and Autolite
  1. PR Score.
  2. Overall ranking.
  3. Vote balance.
  4. Average rating.
  5. Number of reviews.
  6. Feature ratings.
  7. Car owners’ choice.

Which spark plug are better — Autolite or Bosch?

In March 2026 on PartReview, spark plug Bosch were overall better than Autolite.

  1. Bosch received a PR Score of 61 out of 100, and Autolite scored 41 point.
  2. Bosch ranked 3 in the overall ranking, and Autolite ranked 17.
  3. The average rating is higher for Bosch (3.3) than for Autolite (2.5).
  4. Spark plug Bosch have better feature ratings than Autolite:
    • Idle - owners believe, that this property for Bosch is better than Autolite.
    • Acceleration - drivers claim, that this property for Bosch is outperforms Autolite.
    • Starting - reviews suggest, that this property for Bosch is preferred to Autolite.

Which spark plug are more popular — Bosch or Autolite?

In March 2026 on PartReview, spark plug Bosch were overall more popular than Autolite.

By vote balance, spark plug Bosch surpassed Autolite:

  • For Bosch, the ratio of positive (515) to negative (317) votes is 198 votes.
  • For Autolite, the ratio of positive (181) to negative (253) votes is -72 votes.

By number of reviews, spark plug Bosch surpassed Autolite:

Which spark plug do car owners prefer — Bosch or Autolite?

In March 2026, according to PartReview, spark plug Bosch led more car-specific ratings than Autolite:

Bosch are chosen by owners of cars such as: Nissan Altima, Audi S4, Ford Ranger, Volkswagen Beetle, Volkswagen Corrado, and others.

Spark plug Autolite have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.

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 Bosch with: NGK, Denso, Champion, AC DELCO, BRISK, OEM Volkswagen, OEM Toyota, Motorcraft, OEM FORD, OEM BMW.

Also available: comparisons of spark plug Autolite with: NGK, Denso, Champion, AC DELCO, BRISK, OEM Volkswagen, OEM Toyota, 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.

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