BYD Significantly Improves Range & Efficiency with OTA Updates - CleanTechnica

Source: cleantechnica
Author: @cleantechnica
Published: 12/20/2025
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Read original articleThe article from CleanTechnica highlights BYD’s recent success in significantly improving the range and efficiency of its plug-in hybrid electric vehicles (PHEVs) through over-the-air (OTA) software updates. Focusing on BYD’s DM-i 5.0 platform, which began rolling out in China last year, these updates have increased battery-only driving range and enhanced fuel economy once the battery is depleted. For example, the BYD Sealion 06 DM-i’s battery range improved by up to 20%, with the base model’s range increasing from 121 km to 132 km and higher trims reaching up to 205 km in a new “Long Range Mode.” This improvement reduces reliance on the gasoline engine, benefiting both consumers and the environment.
Real-world data from 100 BYD Qin L drivers further confirms the positive impact of these OTA updates on fuel efficiency. The Qin L’s gasoline consumption after battery depletion improved from an NEDC-rated 2.9 l/100 km
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energyelectric-vehiclesbattery-rangeOTA-updatesfuel-efficiencyBYDhybrid-technology