4WD refers to four-wheel drive, also called 4×4. It is something that relates to two-axle vehicle drivetrain that provide torque to all of its wheels concurrently. With torque on both axles, 4WD is also referred to as all-wheel drive (AWD) because a common vehicle has four wheels. 4WD is sometimes provided in the vehicle by a manufacturer or an additional output drive-shaft is fixed on demand or sometimes additional gear range create this option.
There are advantages of four-wheel drive. This is the best drivetrain when additional torque is needed in case of heavy loads and tough situations such as rocky roads, snow, mud sand, etc. The main benefits of 4WD are traction and power. 4WD improves traction in dangerous driving conditions and in off-roading.
Aspects of 4WD maintenance
This is a costlier option because a person intending to own 4WD vehicle is required to spend far more money compared to regular front-wheel or rear-wheel drive vehicle and also more is 4WD maintenance. AWD or 4WD vehicles have become favorite of sophisticated society that has resulted in improved sale of these vehicles. Automobile manufacturers also enjoy advantages of selling 4WD cars by charging higher costs for these vehicles. 4WD cars are expensive to maintain and expensive to service. The transmissions of 4WD vehicles demand rugged performance because of use in tough road conditions. Change of fluids, repair cost and regular service require spending of more money compared to 2WD vehicles. When components of 4WD are costly, the labor charges are apparently also high.
Is 4WD purchase a good option?
The decision to buy 4WD car is a difficult option not only due to the reason that its purchase price is high but also because 4WD maintenance is also high. One-time acquision cost may not be such a big problem, but after sales maintenance needs meticulous thinking. It is still a better option when smooth road conditions are not available in your city or your vehicle has commercial use.