For some novice drivers, whenever they encounter car problems, they will definitely be at a loss. This paper introduces the gearbox used by Erffa, hoping to help some novice friends to take fewer detours, better enjoy the fun of car life and bring help to car use and travel. Okay, let's get down to business. Erffa pure gasoline version adopts 8-speed automatic manual transmission, and the hybrid version adopts ecvt transmission. In addition, the pure gasoline version uses a 3.5-liter naturally aspirated engine, and the hybrid version uses a 2.5-liter naturally aspirated engine. The 3.5-liter naturally aspirated engine has a maximum power of 22 1kw and a maximum torque of 36 1Nm. This engine can output maximum power at 6600 rpm and maximum torque at 4600 to 4700 rpm. This engine is equipped with mixed injection technology and adopts aluminum alloy cylinder head and cylinder block. The 2.5-liter naturally aspirated engine of the hybrid vehicle has a maximum power of 86kw and a maximum torque of 198Nm. This engine can output the maximum power at 4,700 rpm and the maximum torque at 2,800 to 4,000 rpm. This engine is equipped with vvt-i technology and mixed injection technology. It adopts aluminum alloy cylinder head and cylinder block. Matching the engine are two motors, one on the front axle and the other on the rear axle. The maximum power and torque of the motor of the front axle are 105kw and 270Nm, and the maximum power and torque of the motor of the rear axle are 50kw and 139Nm. The front suspension of the pure gasoline version of Erffa is McPherson independent suspension, and the rear suspension is multi-link independent suspension. The front suspension of the hybrid version of Erffa is McPherson independent suspension, and the rear suspension is double wishbone independent suspension.