Real ChatGPT answer · index seedeGzHRbZQBrocompleteAutomotive · car buying processcomparison

Is the fuel savings from driving a diesel-powered GMC Sierra 2500HD offset by the higher maintenance and DEF fluid costs compared to the gasoline version?

ChatGPTgpt-62 queries11/1/2026
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The searches the AI actually ran for this prompt.

SEED QUERY
Is the fuel savings from driving a diesel-powered GMC Sierra 2500HD offset by the higher maintenance and DEF fluid costs compared to the gasoline version?
2 real searches · 1 real-search pass
GMC Sierra 2500HD 6.6 Duramax vs 6.6 gas fuel economy maintenance costs DEF oil capacity service intervals 2025Google ↗
OBSERVED
diesel vs gas 2025 GMC Sierra 2500HD ownership cost fuel economy real world mpg diesel gasGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
GMC Sierra 2500HD 6.6 Duramax vs 6.6 gas fuel economy maintenance costs DEF oil capacity service intervals 2025 Google ↗
diesel vs gas 2025 GMC Sierra 2500HD ownership cost fuel economy real world mpg diesel gas Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
GMC Sierra 2500HD 6.6 Duramax vs 6.6 gas fuel economy maintenance costs DEF oil capacity service intervals 2025
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
diesel vs gas 2025 GMC Sierra 2500HD ownership cost fuel economy real world mpg diesel gas
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1