r/cars for brand marketing: what AI answers cite and where we have posted
r/cars threads were cited 147 times in 119 AI answers we tracked (Jun 6, 2026 to Oct 2, 2026), which ranks it #37 of the 138 subreddits cited 50 or more times. We have placed under 50 verified comments there, so none of our own placement numbers for it are published.
147
AI citations of its threads
34
different threads cited
under 50
verified comments we placed
#37
of 138 by AI citations
How AI answers use r/cars
| Engine | Citations | Share |
|---|---|---|
| Perplexity (Sonar) | 112 | 76% |
| Gemini (2.0 and 2.5 Flash) | 33 | 22% |
| OpenAI models (GPT-4o, GPT-5.1) | 2 | 1% |
| Question type | Citations | Share |
|---|---|---|
| Describing a problem | 69 | 47% |
| Comparing products or competitors | 62 | 42% |
| Looking for a product to buy | 16 | 11% |
The r/cars threads AI answers cite most
| Thread (from its link) | Times cited |
|---|---|
| How trustworthy are carfax reports | 17 |
| Whats your favorite website to buy parts from and… | 14 |
| Best website for aftermarket parts for american… | 12 |
| What is the best website to buy car modification… | 10 |
| What is your opinion on the car parts website… | 9 |
These 5 threads account for 62 of the 147 citations.
Our verified comments in r/cars
We have placed under 50 verified comments in r/cars, so we publish no placement numbers for it.
Reading the r/cars numbers
Perplexity supplies the largest share of the citations (76%, 112 of 147), ahead of Gemini at 22%.
By question type, describing a problem accounts for 47% of the answers that cited r/cars, then comparing products or competitors (42%) and looking for a product to buy (11%).
Citations are spread out: the most-cited thread accounts for 12% of them and the top three for 29%, out of 34 different threads.
1% of the 4,766 comments we scanned in r/cars contained a link, so a comment that names a brand without linking is the norm here.
Of 589 posts we sampled in r/cars, 5% linked out to another site.
Before you post anything yourself, read the rules of r/cars; moderators change them. For how these threads reach answers, see the AI search guide.
Frequently asked questions
Do AI answers cite r/cars?
Yes. In 66,986 AI answers we tracked between Jan 9, 2026 and Oct 2, 2026, r/cars threads were cited 147 times across 119 answers and 34 different threads.
How many comments has CommunityMentions placed in r/cars?
Fewer than 50 verified comments, so we do not publish a count for it.
Similar car and auto subreddits
| Subreddit | AI citations | Our verified comments | Members |
|---|---|---|---|
| r/UsedCars | 151 | under 50 | 77,864 |
| r/leasehacker | 63 | 109 | 30,479 |
| r/G35 | 84 | 92 | 20,083 |
| r/askcarguys | 95 | under 50 | |
| r/CarLeasingHelp | 82 | 121 | 14,851 |
| r/370z | 108 | 104 | 42,301 |
Related lists and guides
Method
Counts come from CommunityMentions' AI-answer tracking and delivery database; anything under 50 shows as "under 50". The page text is generated from those counts. Full method.
Get your brand into threads like these
Run the free sample: real comments for your brand, no card.
Run my free sample