r/UsedCars for brand marketing: what AI answers cite and where we have posted
r/UsedCars threads were cited 151 times in 129 AI answers we tracked (Apr 3, 2026 to Oct 2, 2026), which ranks it #35 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.
151
AI citations of its threads
35
different threads cited
under 50
verified comments we placed
77,864
members at last check
How AI answers use r/UsedCars
| Engine | Citations | Share |
|---|---|---|
| Perplexity (Sonar) | 97 | 64% |
| Gemini (2.0 and 2.5 Flash) | 44 | 29% |
| OpenAI models (GPT-4o, GPT-5.1) | 10 | 7% |
| Question type | Citations | Share |
|---|---|---|
| Comparing products or competitors | 85 | 56% |
| Describing a problem | 44 | 29% |
| Looking for a product to buy | 22 | 15% |
The r/UsedCars threads AI answers cite most
| Thread (from its link) | Times cited |
|---|---|
| Alternative for carmax | 38 |
| Where is the best siteapp to buy a used car online… | 19 |
| Any downside to buying from autonation vs private… | 12 |
| What is the best value used car for under 5k | 11 |
| I am riddled with fear and trust issues re buying… | 11 |
These 5 threads account for 91 of the 151 citations.
Our verified comments in r/UsedCars
We have placed under 50 verified comments in r/UsedCars, so we publish no placement numbers for it.
Reading the r/UsedCars numbers
Perplexity supplies the largest share of the citations (64%, 97 of 151), ahead of Gemini at 29%.
By question type, comparing products or competitors accounts for 56% of the answers that cited r/UsedCars, then describing a problem (29%) and looking for a product to buy (15%).
Citations are spread out: the most-cited thread accounts for 25% of them and the top three for 46%, out of 35 different threads.
Under 1% of the 568 comments we scanned in r/UsedCars contained a link, so a comment that names a brand without linking is the norm here.
Of 1,316 posts we sampled in r/UsedCars, 2% linked out to another site, so posts here are mostly text.
The subreddit had about 77,864 members when we last checked it.
Before you post anything yourself, read the rules of r/UsedCars; moderators change them. For how these threads reach answers, see the AI search guide.
Frequently asked questions
Do AI answers cite r/UsedCars?
Yes. In 66,986 AI answers we tracked between Jan 9, 2026 and Oct 2, 2026, r/UsedCars threads were cited 151 times across 129 answers and 35 different threads.
How many comments has CommunityMentions placed in r/UsedCars?
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/cars | 147 | under 50 | |
| r/leasehacker | 63 | 109 | 30,479 |
| r/G35 | 84 | 92 | 20,083 |
| r/CarLeasingHelp | 82 | 121 | 14,851 |
| r/askcarguys | 95 | under 50 | |
| 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.
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