Summary: The average curb weight of new passenger vehicles produced in China reached 1,704 kilograms in 2024, up from 1,312 kilograms in 2012, and the pace of gain accelerated markedly between 2020 and 2024 compared with the preceding eight years.
Several large NEV models from Nio, XPeng, Li Auto, and BYD are now approaching three metric tonnes, driven by larger battery packs, bigger body structures, and the addition of features including refrigerators, large screens, and premium seating, China Daily notes. An electric SUV at that weight can consume more than 20 kWh per 100 kilometres, and industry estimates suggest every 100 kilogram reduction in vehicle weight cuts electricity consumption by around 7.5 percent per 100 kilometres. A 10 percent increase in vehicle weight also extends braking distance by approximately 5 percent.
As Chinese brands accelerate exports globally, including into Australia at record volumes, these are not abstract engineering statistics. Heavier vehicles do more damage in collisions, wear road surfaces and bridges faster, and cost owners more to run. The weight trajectory baked into Chinese EV development between 2022 and 2024 is the same trajectory arriving on Australian, European, and emerging-market roads through 2026 and beyond.
Brands mentioned: Nio, XPeng, Li Auto, BYD, Tesla
Sources:
• Chinadaily: Growing concern as vehicles get heavier
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