The BYD Seal 6 running cost picture depends most on fuel or charging use, tyres, insurance and the chosen variant price. The available running-cost clue is 2026 485km Premium: 56.64 kWh; 2026 485km Dynamic: 56.64 kWh; 2025 485km Premium: 56.64 kWh; 2025 485km Dynamic: 56.64 kWh; 2026 485km Premium: LFP battery; 3 more variants. Lower energy use helps in daily commuting, while a sensible purchase price keeps insurance and financing easier to manage over the ownership period.