General Motors
AutomotiveFameproof index
74.3+0.6
General Motors
Automotive average
Claude 4.5
+0.5
73.9
Mention rate70%
Avg. position2.4
Factual accuracy91%
SentimentNeutral
ChatGPT (GPT-5)
+0.8
74.8
Mention rate73%
Avg. position2.3
Factual accuracy90%
SentimentPositive
Gemini 2.5
+0.6
74.2
Mention rate72%
Avg. position2.3
Factual accuracy94%
SentimentPositive
Prompt performance
Position when mentioned · 1,200 promptsPrompt
CL
GPT
GEM
“Best electric car for a family”
#3
#3
—
“Most reliable car brand”
#2
#2
#2
“Best value EV under €40,000”
#1
#2
#2
“Which carmaker has the best software”
#1
#3
#1
“Safest cars on the market”
#1
#1
#3
A 5-prompt sample of the 1,200-prompt weekly panel.
Who wins the prompts General Motors loses
Most-cited sources
What the models lean on when they describe General Motors.
docs.gm.comwikipedia.orgg2.comnews.ycombinator.comreddit.com/r/business
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