First of all, these products belong to the 1:14 series of remote control cars. Except for the outer shell, front and rear anti-collision elements, internal support, battery, shock absorber size, and tire size, other accessories are basically the same. 1. First of all, the default factory battery of 14301 14302 is 3S 1050mah, while the default factory battery of 16208 16209 16210 H16 is 2S 1050mah. 2. Secondly, their car shells are different. The installation method is also different. 14301 14302, 16209, 16210 are fixed with R-Shape Clips. The 16208 car shell can be quickly disassembled and installed through the overall anti-collision strip. 3 Shock absorbers have different lengths. The 14301 14302 has a long front shock (approximately 7.5cm air-to-air suspension distance) and a short rear shock (approximately 65cm air-to-air suspension distance). 16208 The front and rear shock absorbers of 16208 are both long, and the air-to-air distance of the shock absorbers is about 7.5cm. The front and rear shock absorbers of 16209 are short, and the air-to-air distance of the shock absorbers is about 6.5cm. 4. The height of the chassis is different. That is, their tire sizes and heights are different. The bottom of the body of 14301 14302 is about 3.5cm from the ground, which belongs to off-road vehicles. The bottom of 16208 and 16209 is about 4cm from the ground, which belong to the Bigfoot model. The bottom of the 16210 is about 3.1cm from the ground, which is a racing car.