Real ChatGPT answer · index seedhnaOgQ4nRIQcompleteAutomotive · trucks and SUVscomparison

How do the maintenance costs of the latest diesel trucks compare to turbocharged gas engines over a five year commercial lifecycle?

ChatGPTgpt-64 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
How do the maintenance costs of the latest diesel trucks compare to turbocharged gas engines over a five year commercial lifecycle?
4 real searches · 1 real-search pass
2025 2026 commercial pickup diesel vs gasoline turbo engine maintenance costs oil changes fuel filters DEF emissions system fleet lifecycle costGoogle ↗
OBSERVEDComparison
Ford Super Duty 6.7L Power Stroke maintenance schedule oil capacity fuel filter interval 2025Google ↗
OBSERVEDReason
Ford 7.3L gas engine maintenance schedule 2025 Super Duty spark plugs oil intervalGoogle ↗
OBSERVEDReason
GM 3.0 Duramax 6.6 gas maintenance schedule 2025 Silverado HDGoogle ↗
OBSERVEDOther / navigational

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 (4)
Short factOther / navigational25%Comparison25%ConsequenceReason50%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 4 of 4 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT4 real searches · gpt-6
2025 2026 commercial pickup diesel vs gasoline turbo engine maintenance costs oil changes fuel filters DEF emissions system fleet lifecycle cost Google ↗
Ford Super Duty 6.7L Power Stroke maintenance schedule oil capacity fuel filter interval 2025 Google ↗
Ford 7.3L gas engine maintenance schedule 2025 Super Duty spark plugs oil interval Google ↗
GM 3.0 Duramax 6.6 gas maintenance schedule 2025 Silverado HD Google ↗
  1. Power Stroke Diesel Service in Washougal, WA · westlieford.com
  2. Untitled · fordservicecontent.com
  3. 6.7 Powerstroke Oil Change Guide · dieselhub.com
  4. 2025 Ford Super Duty Maintenance Schedule · mahonford.com

Queries

4 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
2025 2026 commercial pickup diesel vs gasoline turbo engine maintenance costs oil changes fuel filters DEF emissions system fleet lifecycle cost
OBSERVED
Google ↗
AI Mode ↗
—Comparison——1x
of 1
Ford Super Duty 6.7L Power Stroke maintenance schedule oil capacity fuel filter interval 2025
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
Ford 7.3L gas engine maintenance schedule 2025 Super Duty spark plugs oil interval
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
GM 3.0 Duramax 6.6 gas maintenance schedule 2025 Silverado HD
OBSERVED
Google ↗
AI Mode ↗
—Other / navigational——1x
of 1