r/JDM
Cars of Japan
Founded May 2011 · Public — anyone can post
Subreddit about Japanese Cars, in Japan and abroad.
Members
377,797
378K
Online now
—
not captured in the last snapshot
Posts per day
0.3
from the last 100 posts, spanning 301.8 days
Comments per post
—
no sample yet
Growth · 7d
—
not enough history yet
Growth · 30d
—
not enough history yet
Promo tolerance
—
not assessed yet
Last post
Oct 10
sampled Oct 19
Distinct posters
96%
of the last 100 posts
Tracking since Oct 19 · growth spans are the real distance between snapshots, not rounded windows. Posts/day is measured from the community’s own newest posts on Reddit, not from what Prowlo happens to crawl.
Member growth
Tracking since Oct 19 — growth charts appear after a week of history.
Similar by content
Communities that discuss what r/JDM discusses.
Welcome back! /r/Nissan is a forum for all things Nissan/Infiniti! Hakosukas through Jukes. Questions, pictures, articles, build threads, track videos, we will eat it up. Please share!
/r/WRX is a place for Subaru fanatics to show off their rides, discuss modifications, mechanical issues, industry news, and more. It is not a place to buy/sell/trade or spread negativity/hate. Please read the rules, they will be enforced.
Dedicated to online enthusiasts of pre- and post-war European, Asian, and American antique, classic, and vintage sports, racing, and classic autos. Historic context is always appreciated (nay, encouraged!).
See the full lists on similar subreddits.
r/JDM — frequently asked
How many members does r/JDM have?
r/JDM has 377,797 members as of our most recent crawl on Oct 19. Prowlo re-checks tracked communities on a rolling schedule, so this figure moves rather than sitting frozen at whatever it was when a scraper last ran.
Is r/JDM growing?
We don't have 30 days of snapshot history for r/JDM yet, so we're not going to invent a growth number. We've been tracking it since Oct 19; the chart fills in as history accumulates.
How active is r/JDM?
Around 0.3 posts per day, measured from the newest 100 posts on Reddit, which span 301.8 days. Posting rate matters more than subscriber count when you're deciding where to spend your time — it determines how long your comment stays visible.
When was r/JDM created?
r/JDM was founded in May 2011 and is a public — anyone can post community. Age matters: an older community with steady growth has survived Reddit's moderation churn; a young one with a spike may not.
Who posts in r/JDM?
Of the last 100 posts we sampled, 96% came from distinct accounts; the newest was published Oct 10. A low share means a feed dominated by a handful of accounts (bots, mods, or one prolific poster) rather than a community.
Can I promote my product in r/JDM?
We don't have a promo-tolerance read for r/JDM yet. Default to the safe approach: read the sidebar rules, contribute in threads where you gain nothing, and mention your product only when it is the honest answer to someone's question.
How do I monitor r/JDM for mentions?
Hit Watch on this page. Prowlo starts crawling r/JDM into your Dataset — every new post indexed and embedded, searchable semantically, queryable by your AI agent over MCP, and able to trigger keyword alerts in Slack. Prowlo is read-only; it never posts on your behalf.
Can my AI agent read r/JDM's stats?
Yes. Everything on this page is one MCP tool call away: catalog_get_subreddit returns r/JDM's members, growth, promo tolerance and similar communities as typed JSON — free, no credits. Connect your agent to api.prowlo.com/mcp and it can vet the community and start watching it in the same conversation.
Read-only · Human-in-the-loop
Prowlo never posts for you
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