what is the difference between all-wheel drive and four-wheel drive?
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Generally, an all-wheel drive system uses a center differential to distribute the engine's torque between the two axles, while four-wheel drive relies on a transfer case, which functions like a locked differential. ... But four-wheel drive often doesn't work on the road for the exact same reason it works so well off road.
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So, to drive on these slippery surfaces, traction is crucial. All-wheel-drive systems deliver power to all four wheels at the same time, or they automatically engage torque to all four wheels when needed. That's why all-wheel drive is best for driving on snowy and icy roads.
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All-wheel drive is often associated with road-going vehicles, such as sedans, wagons, crossovers, and even some larger SUVs. ... All-wheel drive is similar to the part-time four-wheel-drive system we just described, except it's used on cars and crossovers.
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A quad is an ATV with four wheels, and can be either two wheel drive or four wheel drive. A four wheeler is a quad with four wheel drive or all wheel drive only.
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Typically, 2WD vehicles are smaller than 4WD vehicles. 2WD vehicles are powered by only two wheels, either in the front or in the back, while 4WD vehicles are powered by all the four wheels.
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FWD the front wheels are the drive wheels and RWD the rear wheels are driven. ... 2WD refers to RWD or FWD. AWD and 4WD are related, but not exactly the same. In classical 4WD, the front and rear wheels are locked together and forced to spin at the same speed.
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Four-wheel drive, often designated 4WD or 4x4, has the same goal as AWD – to power all four of a vehicle's wheels. ... A key difference between AWD and 4WD relates to driver decision-making. In many (but not all) cases, a 4WD or 4x4 system needs to be turned on when its services are needed.
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In cars with four-wheel drive, an equal amount of power is sent to all four wheels. ... And you don't get traction with all-wheel drive. You do, however, get it with snow tires. All-wheel drive can help get a car begin moving in snow because it increases the odds that at least some of the tires are going to gain traction.
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Two of these layouts are FWD (Front Wheel Drive) and 4WD (Four Wheel Drive). The main difference between FWD and 4WD, obviously, is the number of wheels they can supply power to. ... A 4WD uses a driveshaft in order to deliver power from the engine mounted on the front to the rear wheels.
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Many of our Mitsubishi models come with all-wheel drive (AWD) and some come with four-wheel drive (4WD). Both of these drivetrains offer different benefits in varying road conditions and weather. AWD gives power to the wheels that need it most when the vehicle is in operation. ... You can find AWD on sedans.
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Four-wheel drive (4WD) refers to vehicles with two axles providing torque to four axle ends. In the North American market, the term generally refers to a system optimized for off-road driving conditions.
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All-Wheel Drive (AWD) is a fairly recent driving system which transfers power to the wheels with the most traction. Power can be split between the front and rear wheel axles or individual wheels, via three 'differentials': central, front and rear.
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Rear-wheel drive may be more fun to drive, but it also makes it more difficult to master. With modern stability and traction controls, however, the driving differences of RWD don't present a problem for most drivers. ... RWD weighs slightly more than FWD, but less than 4WD and AWD.
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Front-Wheel Drive (FWD): ... Four-Wheel Drive (4WD or 4×4): Four-wheel vehicles tend to feature a two speed transfer case* with both high and low ranges. Most 4WD vehicles tend to operate in RWD mode until four-wheel traction is required.
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While a four-wheel-drive system tries to send as much power to the four wheels as equally as possible for maximum traction, all-wheel drive is all about varying the amount of power sent to each wheel, either mechanically or electronically.
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Depending on your daily driving activities, you need to choose either a 2WD (two-wheel drive) or a 4WD (wheel drive) vehicle. Typically, 2WD vehicles are smaller than 4WD vehicles. 2WD vehicles are powered by only two wheels, either in the front or in the back, while 4WD vehicles are powered by all the four wheels.
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High- and low-range explained (basically) You use 2H for normal road driving. ... In 4L (four-wheel drive, low range), all four wheels are driving your vehicle and a low gear ratio is being used. Your vehicle's wheels will turn much more slowly than they would in high range, so slower speeds and more torque are the go.