Visibility index · United States
Car rental
40 AI answers to 13 prompts name 24 brands. Enterprise leads with 14.3% of mentions; the top 3 hold 36.1%.
Level 3n = 40 answers13 promptsupdated Oct 9, 2026AI Mode10ChatGPT10AI Overviews10Gemini10
AI answers
40
13 prompts
Last run Oct 9, 2026
Brands seen
24
Top 3 hold 36.1%
n = 40 answers
Concentration
Fragmented
HHI 771 · leader 14.3%
Leader
Enterprise
14.3% of mentions
Avg. position #2.3
Top engine
AI Mode
25% of answers
4 engines sampled
Sources cited
118
Top: enterprise.com 7.6%
n = 40 answers
What AI answers show
Brands and sources in the sampled answers
n = 40 answers13 promptsOct 9, 2026
Brands AI recommends
Share of brand mentions in Car rental answers
- 1Enterpriseavg. #2.314.3%35
- 2Hertzavg. #4.312.3%30
- 3Avisavg. #4.79.4%23
- 4Turoavg. #7.58.6%21
- 5Budgetavg. #4.77.8%19
n = 40 answers24 brands seen in total
Market concentrationFragmented
FragmentedModerateConcentrated
HHI 771Leader 14.3%Top 3 36.1%
Fragmented: no brand dominates. The top 3 hold 36.1% of mentions; the leader 14.3%.
Answers behind the ranking
Every engine sampled
- Google AI Mode10
- ChatGPT10
- AI Overviews10
- Gemini10