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What is the difference between part-time four-wheel drive and on-demand four-wheel drive?

1 Answers

LeAnna

07/29/25 3:57pm

Here are the differences between part-time four-wheel drive and on-demand four-wheel drive: 1. Different switching modes: On-demand four-wheel drive usually operates in two-wheel drive mode and automatically switches to four-wheel drive when necessary. The part-time four-wheel drive system requires manual switching between two-wheel drive, high-speed four-wheel drive, and low-speed four-wheel drive modes. 2. Different technologies: Part-time four-wheel drive allows the driver to choose between two-wheel drive or four-wheel drive mode by engaging or disengaging the transfer case. Its advantage is that it ensures both the vehicle's power and off-road capability while maintaining fuel economy. The slight drawback is that the driver needs to judge the road conditions and manually operate the drive mode. On-demand four-wheel drive uses a computer chip to control the switching between two-wheel drive and four-wheel drive. It can automatically identify the driving environment and switch between two-wheel drive and four-wheel drive modes based on changes in the driving environment. On rough, hilly, or low-traction roads, the vehicle automatically sets to four-wheel drive mode, while on flat urban roads, it switches to two-wheel drive.

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