The Aston Martin Valhalla features a mid-mounted 4.0-litre V8 twin-turbo engine (supplied by Mercedes-AMG but heavily reworked by Aston Martin), paired with a 6.1 kWh lithium battery and three electric motors in a PHEV plug-in hybrid all-wheel drive system. The combustion engine produces 828 hp, while the total system output is 1,079 hp with 1,100 Nm of peak torque.
Aston Martin Valhalla 採用中置 4.0 公升 V8 雙渦輪增壓引擎（源自平治 AMG，經 Aston Martin 大幅改良）配合 6.1kWh 鋰電池及 3 個摩打，組成 PHEV 插電式混能四驅系統。引擎本體輸出 828 匹馬力，配合摩打後綜合輸出達到 1,079 匹馬力，峰值扭力 1,100 Nm。
