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r/StupidCarQuestions↗

Easy Car questions for non car people and car people who don't know how

Non judgmental advice on car problems or questions relating to cars

57k subscribers282 posts / mo in Sep 2026265 authors / mosince 2017

r/StupidCarQuestions has 57k members (+37% over the last 12 months). It gets about 282 posts a month from 265 people. Top topics: Tire Issues, Mystery Car Parts and Tire Issues.

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When to post on r/StupidCarQuestions

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Size and growth

How r/StupidCarQuestions has grown

r/StupidCarQuestions

Subscriber growth

Subscribers over time

+37%in 12 months · +6.6% in 3 months · +3.3% in 1 month
Oct 202657k
Growing57k subscribers
Data since Mar 2018Live · through Oct 2026
r/StupidCarQuestions

Monthly activity

Posts, comments and authors per month

+4.1%vs Sep 2025 · −4.2% last 3 months vs the 3 before
Sep 2026282
BusierPeaked at 368 in May 2026
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/StupidCarQuestions

Top topics

Share of the subreddit's posts

  1. Tire Issues3.4%
  2. Mystery Car Parts2.9%
  3. Tire Issues1.6%
  4. Noise Issues1.4%
  5. Tire Pressure Management1.3%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. AutoZone
  2. Car-Part.com--Used Auto Parts Market
  3. Crutchfield
  4. eBay
  5. Walmart

The full report

Everything else about r/StupidCarQuestions

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research