The U7 is available in both a plug-in hybrid and pure electric powertrains. Both versions were initially equipped with the same four-motor individual wheel drive system consisting of permanent magnet synchronous motors each outputting and of torque, for a total of and of torque. At the
2025 Guangzhou Auto Show, the U7's rear motors were upgraded with units for a total of . The U7 EV is equipped with BYD's LFP blade battery with a capacity of 135.5kWh which is capable of charging from 3080% in 20 minutes at a peak rate of 500kW made possible with the use of dual charging ports, The U7 PHEV is equipped with BYD's self-developed 2.0-liter turbocharged
flat-four engine, which debuts in the U7 as the company's first flat engine. The engine configuration was chosen for its lower height of compared to around for a conventional inline engine, which was needed to package the engine underneath the low hood while also accommodating the front drive motors underneath. Additional benefits include a lower
center of gravity and reduced
NVH compared to a conventional inline engine. To help reduce its height, the engine is equipped with a
dry sump oiling system. The engine outputs and of torque. It is equipped with a 52.4kWh
LFP Blade battery which is capable of charging from 3080% in 10 minutes at a peak rate of 230kW. It can accelerate from 0 to in 2.9 seconds, or 4.1 seconds when the battery is low. It has a comprehensive range of with a fuel tank, and a CLTC pure electric range of . It has a curb weight of . == Sales ==