Rooftop Signal

AI Visibility for Dealers

GM Houston Metro AI Visibility Index

Comparing 27 GM dealerships on how well AI models can discover and recommend them

Last updated: 2026-03-04

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Highest Score
68
Median Score
52
Average Score
51
Lowest Score
14

How to Read This Index

🟢 Green (75-100)

Strong AI visibility — AI models can easily discover and accurately represent this dealer

🟡 Yellow (50-74)

Moderate visibility — some information is accessible but key details may be missed

🟠 Orange (25-49)

Weak visibility — AI can find this dealer but struggles to accurately represent them

🔴 Red (0-24)

Limited visibility — significant gaps make it hard for AI to recommend this dealer

Rank Dealer Name Overall Discoverability Content Quality Technical Health Information Currency Agent Ready
#1 Tom Peacock Cadillac 68 93 85 90 70 0
#2 Finnegan Chevrolet Buick GMC 68 93 85 90 70 0
#3 Bayway Cadillac Southwest 68 93 85 90 70 0
#4 Bayway Cadillac 68 93 85 90 70 0
#5 DeMontrond Buick GMC 68 93 85 90 70 0
#6 Gay Buick GMC 68 93 85 90 70 0
#7 Classic Buick GMC Galveston 67 93 85 90 65 0
#8 Classic Cadillac Galveston 67 93 85 90 65 0
#9 Don Davis Buick GMC 67 93 85 90 65 0
#10 Central Houston Cadillac 56 65 62 90 65 0
#11 Martin Chevrolet GMC 52 80 85 75 0 0
#12 Group 1 GMC Southwest 52 80 85 75 0 0
#13 Group 1 GMC Southwest 52 80 85 75 0 0
#14 Group 1 Buick GMC North 52 80 85 75 0 0
#15 Sewell Cadillac Collision Center of Houston 52 80 85 75 0 0
#16 Ron Carter Chevrolet GMC in Alvin 52 80 85 75 0 0
#17 Big Star Buick GMC 52 80 85 75 0 0
#18 Group 1 Buick GMC South 52 80 85 75 0 0
#19 Sewell Cadillac of Houston 52 80 85 75 0 0
#20 Texan GMC Buick 52 80 85 75 0 0
#21 Wiesner Buick GMC 45 65 20 90 65 0
#22 Gulf Coast Chevrolet Buick GMC 45 65 20 90 65 0
#23 Ron Craft Cadillac 39 45 10 90 65 0
#24 Classic Buick GMC 21 55 0 50 0 0
#26 Big Star Cadillac 14 30 0 40 0 0
#27 Martin Chevrolet GMC 14 30 0 40 0 0

Methodology

AI visibility scores measure how well a dealership website can be discovered and understood by AI models like ChatGPT, Claude, and Perplexity. We analyze four key dimensions:

  • Discoverability: Can AI systems find your website?
  • Content Quality: Does AI understand what your dealership offers?
  • Technical Health: Does your website work well with AI systems?
  • Information Currency: Is your online information up to date?
  • Agent Readiness: Can AI assistants take actions for your customers?

Scores range from 0-100, with higher scores indicating better AI visibility. This index is updated monthly to track improvements and changes across the cohort.

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