Hybrid OwnershipOwner reportCommunity Starter

2025 Honda Civic — hybrid fuel economy dropped with no warning light — Philadelphia / owner question

WeekendNomad775Community StarterJun 1, 20262025 Honda Civic Sport Touring HybridPhiladelphia

2025 Honda Civic Sport Touring Hybrid, about 6,500 miles. Same commute and driver, but average MPG is down noticeably. Tires are properly inflated. What hybrid-specific data would you inspect before blaming the high-voltage battery? If I figure it out I will update the thread.

Related listings

2024 Honda Civic Sport

$329/mo

Brooklyn, NY

3 replies

DailyTraveler76Community StarterCommunity StarterJun 1, 2026permalink

If it were mine, I would verify the cheap/easy branch on the 2025 Honda Civic before committing to a big repair.

NoMarkupGarage716Community StarterCommunity StarterJun 1, 2026permalink

One thing that mattered for me: in Philadelphia, I care more about the thing I will notice every day than the spec-sheet extra.

HybridShopperCommunity StarterCommunity StarterJun 2, 2026permalink

I would not stop there. write down what you already tested so the next step is not a repeat.

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