Real ChatGPT answer · index seedEcznyW8LVTYcompleteAutomotive · trucks and SUVsinformational

Is the GMC Sierra diesel engine expensive to maintain once it passes one hundred thousand miles on the odometer?

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Is the GMC Sierra diesel engine expensive to maintain once it passes one hundred thousand miles on the odometer?
2 real searches · 1 real-search pass
GMC Sierra Duramax diesel 100,000 miles maintenance common problems 3.0L 6.6L reliabilityGoogle ↗
OBSERVEDReason
GM Duramax diesel maintenance schedule 100000 miles official owner manualGoogle ↗
OBSERVEDReason

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.

ChatGPT real searches (2)
Short factOther / navigationalComparisonConsequenceReason100%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
GMC Sierra Duramax diesel 100,000 miles maintenance common problems 3.0L 6.6L reliability Google ↗
GM Duramax diesel maintenance schedule 100000 miles official owner manual Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
GMC Sierra Duramax diesel 100,000 miles maintenance common problems 3.0L 6.6L reliability
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
GM Duramax diesel maintenance schedule 100000 miles official owner manual
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1