Real ChatGPT answer + Gemini simulation · index seedjXnrq7I79wccompleteAI OverviewAutomotive · car buying processinformational
How many miles or years of battery degradation is normal when shopping for an affordable used electric vehicle?
ChatGPTgpt-6Geminigemini-3.5-flash-lite3 passes + 1 real-search35 queries10/30/2026
Download run
Gemini unique queries
34
2 in ≥ half the passes · stability 35%
ChatGPT real searches predicted
100%
1 of 1 matched the simulation
Fan-out diagram
Seed → topic clusters → sub-queries, per model.
SEED QUERY
How many miles or years of battery degradation is normal when shopping for an affordable used electric vehicle?
34 unique queries · 3 passes
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.
Gemini simulated (34)ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 23 of 35 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
What the models actually searched
Each model answered the query with its own web search. These are the searches it ran, matched to the closest simulated query.
ChatGPT1 real searches · gpt-6100% predicted
average electric vehicle battery degradation per year mileage study Geotab 2025 battery health used EV buying guide Google ↗
- EV Battery Health: Key Findings from 22,700 Vehicle Data Analysis · geotab.com
- EV Battery Health Study: New Data on Fast Charging & Degradation · geotab.com
- Consumer Perspectives on Battery Electric Vehicles: A Literature Review · tsapps.nist.gov
- DCI: Consumer Valuation of Battery Health Information in Used Electric Vehicle Markets · tsapps.nist.gov
Semantic map
Every query placed by meaning (EmbeddingGemma 2, 256-d). Shaded regions are topics, nearby points are near-paraphrases, and a circle's size is how often the query came back.
Colour
SimulatedReal search
Hover a query to see its counterpart · click a topic to focus it · zoom with Ctrl/⌘ + scroll, a pinch, double-click or +
Queries
34 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
average used electric vehicle battery degradation percentage per year REFORMULATION | Google ↗ AI Mode ↗ | The user wants to know the standard annual percentage loss for EV batteries. | Consequence | web_article | average battery degradation data | 2x of 3 | |
is 80 percent battery health good for a used ev RELATED | Google ↗ AI Mode ↗ | Find out if an 80 percent capacity retention threshold is considered acceptable for a secondhand electric vehicle. | Comparison | forum/qna | best affordable used ev models | 2x of 3 | |
acceptable battery degradation percentage used electric car REFORMULATION | Google ↗ AI Mode ↗ | The user wants to know the standard or acceptable percentage of battery capacity loss for a second-hand EV. | Consequence | web_article | average battery degradation data | 1x of 3 | |
acceptable battery state of health used EV buyers guide IMPLICIT | Google ↗ AI Mode ↗ | The user needs a benchmark for what constitutes a healthy battery when purchasing a second-hand electric car. | Comparison | buyers_guide | battery health inspection checklist | 1x of 3 | |
acceptable battery health percentage used ev buying guide RELATED | Google ↗ AI Mode ↗ | Determine what constitutes an acceptable state of health (SoH) when purchasing a secondhand EV. | Consequence | buyers_guide | battery health inspection checklist | 1x of 3 | |
average ev battery lifespan in years and miles RELATED | Google ↗ AI Mode ↗ | The user is looking for general expectations on how long modern EV batteries last before needing replacement. | Reason | faq_page | average battery degradation data | 1x of 3 | |
normal EV battery capacity loss after 100k miles RELATED | Google ↗ AI Mode ↗ | The user wants to understand long-term mileage impact on EV battery capacity. | Consequence | faq_page | battery degradation comparison by model | 1x of 3 | |
how to check battery health on used nissan leaf and chevy bolt ENTITY EXPANSION | Google ↗ AI Mode ↗ | Learn the specific diagnostic methods for checking battery degradation in popular affordable used EVs. | Instruction | how_to_steps | battery health inspection checklist | 1x of 3 | |
how to check battery health on a used nissan leaf ENTITY EXPANSION | Google ↗ AI Mode ↗ | The user needs to know practical methods for assessing battery degradation on a specific affordable EV model. | Instruction | how_to_steps | battery health inspection checklist | 1x of 3 | |
nissan leaf vs chevy bolt battery degradation over time comparison COMPARATIVE | Google ↗ AI Mode ↗ | The user wants to compare battery durability between two popular affordable used EVs. | Comparison | comparison_table | battery degradation comparison by model | 1x of 3 | |
used ev battery replacement cost vs car value COMPARATIVE | Google ↗ AI Mode ↗ | Compare the cost of replacing a degraded EV battery against the overall market value of an affordable used electric car. | Comparison | comparison_table | battery replacement cost analysis | 1x of 3 | |
chevy bolt battery degradation real world data ENTITY EXPANSION | Google ↗ AI Mode ↗ | The user wants to see actual performance and degradation data for another popular affordable electric vehicle. | Reason | dataset | battery degradation comparison by model | 1x of 3 | |
affordable used electric vehicles under 15000 with good battery health ENTITY EXPANSION | Google ↗ AI Mode ↗ | The user is looking for specific budget EV models known for long-lasting batteries. | Comparison | review_roundup | best affordable used ev models | 1x of 3 | |
does high mileage degrade ev batteries faster than calendar aging IMPLICIT | Google ↗ AI Mode ↗ | Understand whether distance driven or time passed is the primary driver of EV battery capacity loss. | Consequence | faq_page | factors affecting battery health | 1x of 3 | |
used ev battery warranty transfer rules IMPLICIT | Google ↗ AI Mode ↗ | The user needs to understand if the original manufacturer battery warranty remains active for a second owner. | Reason | pdf_whitepaper | used ev battery warranty | 1x of 3 | |
how to check battery state of health on a used tesla or e-golf PERSONALIZED | Google ↗ AI Mode ↗ | The user wants practical instructions on how to test battery degradation themselves before buying. | Instruction | how_to_steps | battery health inspection checklist | 1x of 3 | |
best affordable used electric cars with liquid cooled batteries PERSONALIZED | Google ↗ AI Mode ↗ | Identify budget-friendly used EVs that feature thermal management systems to minimize degradation. | Comparison | review_roundup | best affordable used ev models | 1x of 3 | |
air-cooled vs liquid-cooled ev battery degradation comparison COMPARATIVE | Google ↗ AI Mode ↗ | The user wants to compare how different thermal management systems impact long-term battery health. | Comparison | comparison_table | battery degradation comparison by model | 1x of 3 | |
EV battery warranty transfer rules used buyers RELATED | Google ↗ AI Mode ↗ | The user wants to know if the manufacturer battery warranty covers subsequent owners for degradation. | Reason | pdf_whitepaper | used ev battery warranty | 1x of 3 | |
state of health soh ev meaning REFORMULATION | Google ↗ AI Mode ↗ | Understand the definition and measurement of State of Health in electric vehicle batteries. | Definition | glossary/definition | understanding state of health | 1x of 3 | |
how much does it cost to replace a used electric car battery RELATED | Google ↗ AI Mode ↗ | The user wants to know the financial risk if the battery degradation is worse than expected. | Reason | pricing_page | battery replacement cost analysis | 1x of 3 | |
what is EV battery state of health Soh definition REFORMULATION | Google ↗ AI Mode ↗ | The user wants a clear definition of the metric used to measure battery degradation. | Definition | glossary/definition | understanding state of health | 1x of 3 | |
used electric car battery warranty transfer rules RELATED | Google ↗ AI Mode ↗ | Check if original manufacturer battery warranties transfer to secondary owners for older EVs. | Reason | pdf_whitepaper | used ev battery warranty | 1x of 3 | |
used electric vehicle battery health checklist REFORMULATION | Google ↗ AI Mode ↗ | The user wants a structured list of items to inspect regarding the battery before purchasing a used EV. | Reason | checklist | battery health inspection checklist | 1x of 3 | |
bmw i3 vs chevy bolt battery life expectancy COMPARATIVE | Google ↗ AI Mode ↗ | The user wants to contrast the longevity of liquid-cooled versus air-cooled affordable used EV batteries. | Comparison | comparison_table | battery degradation comparison by model | 1x of 3 | |
leaf battery degradation over 10 years data ENTITY EXPANSION | Google ↗ AI Mode ↗ | Review real-world degradation data for older, affordable models like the Nissan Leaf over a decade of use. | Consequence | case_study | average battery degradation data | 1x of 3 | |
does fast charging ruin used EV battery health quickly RELATED | Google ↗ AI Mode ↗ | The user wants to know the impact of DC fast charging habits on long-term battery wear. | Consequence | forum/qna | factors affecting battery health | 1x of 3 | |
does fast charging ruin used ev batteries quickly RELATED | Google ↗ AI Mode ↗ | The user wants to know if frequent DC fast charging significantly accelerates battery degradation. | Consequence | web_article | factors affecting battery health | 1x of 3 | |
used EV battery replacement cost vs residual value IMPLICIT | Google ↗ AI Mode ↗ | The user wants to weigh the financial risk of buying an EV with a degraded battery. | Comparison | calculator/tool | battery replacement cost analysis | 1x of 3 | |
ev battery degradation calculator tool RELATED | Google ↗ AI Mode ↗ | Use an interactive tool to estimate expected range loss based on vehicle age and mileage. | Instruction | calculator/tool | average battery degradation data | 1x of 3 | |
best affordable used electric cars with minimal battery degradation PERSONALIZED | Google ↗ AI Mode ↗ | The user wants recommendations for specific budget-friendly used EVs known for durable batteries. | Comparison | buyers_guide | best affordable used ev models | 1x of 3 | |
fleet data on electric vehicle battery degradation limits ENTITY EXPANSION | Google ↗ AI Mode ↗ | The user wants empirical data and scientific studies regarding real-world EV battery loss. | Consequence | dataset | average battery degradation data | 1x of 3 | |
used ev checklist battery inspection test drive REFORMULATION | Google ↗ AI Mode ↗ | Get a comprehensive inspection checklist for evaluating an affordable used EV before purchase. | Consequence | checklist | battery health inspection checklist | 1x of 3 | |
ev state of health soh meaning REFORMULATION | Google ↗ AI Mode ↗ | The user wants a clear definition of State of Health (SoH) in the context of electric vehicle batteries. | Definition | glossary/definition | understanding state of health | 1x of 3 |
Passes
Does another pass still surface new queries? A flattening curve means the fan-out has stabilised.
Geminix = pass, y = cumulative unique queries
| Model | Pass | Target | Generated | Seconds | Tokens (in / out) | Notes |
|---|---|---|---|---|---|---|
| gemini-3.5-flash-lite | 1 | 12 | 12 | — | 911 / 1,459 | |
| gemini-3.5-flash-lite | 2 | 12 | 12 | — | 911 / 1,542 | |
| gemini-3.5-flash-lite | 3 | 12 | 12 | — | 911 / 1,469 |