What are the advantages and better features of 4WD than 2WD?

Question

Pleaase explain clearly :-)

does it help tire condition? improve engines? enhance speed? quicker start? what would be the reasons that make someone want to choose 4WD instead of 2WD?

And how each one is different from FWD front wheel drive?

I am in southern california where there's almost none snow at all.

and how V6 is better than 4cyl? higher speed (performance)?

Answer 1

All wheel drive cars, SUV's and 4 wheel - (selectable 4 wheel drive or 2 wheel drive vehicles) ALWAYS use more fuel than their counterpart 2 wheel drive models. They are much heavier and carry an extra set of differential gears which wastes power torque and gasoline.

Depending upon where you live there is generally absolutely no reason to select all wheel or four wheel drive cars, SUV's and 4 wheel drive trucks. Watch four lane highways during the winter. Chances are you'll see more SUV's in the ditch or on their roof than all 2 wheel drive vehicles combined.

All wheel drive cars and SUV's drive 4 wheels every time you start the car winter and summer. You have no choice. All four wheels are driving and unnecessarily wearing out tires and forever wasting fuel.

If you live in an area where you deal with a foot or more of snow for 3 - 4 months a 4 wheel drive pick-up truck is by far the best choice. You the operator can determine if a four wheel drive is warranted by pushing a button from 2 wheel drive to four wheel drive. Just because a 4 wheel drive pickup has the capability of being driven in 4 wheel drive you do have a choive of flipping a button then driving it in 2 wheel drive which saves fuel and tires.
You can easily add weight to the rear any amount of weight for increased traction in the winter time. A pickup has a longer wheelbase, stronger transmission, wider choice of motors, and is much more controllable than a light weight, top heavy, short wheel base SUV.

All wheel and 4 wheel driven cars and trucks are SLOWER on acceleration in 1/4 mile elapsed time and miles per hour with the same given engine. These vehicles soak up torque and horespower just to move the added weight.

Answer 2

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You can only put so much force through the contact patch (the part of the tire that actually touches the ground) of two wheels. How much force that is depends on the surface the car is sitting on, the stickiness of the tires, and how much weight is over the wheels. All that being equal (or roughly equal, since 4WD weighs more than 2WD), a 4WD has twice as much traction as 2WD, and, assuming the limit of the tires is lower than the total output of the engine, can put more power to the road than 2WD. Also, in some really sophisticated AWD systems (a type of 4WD that is more complex, and offers more subtle improvement in handling, at the expense of generally not being able to handle certain extreme terrain situations, or as much brute force), it can aid with cornering, by adjusting how much power goes to a particular wheel. Anyhow, the main reason for 4WD/AWD is for low-traction environments, where you might expect to get stuck. Either climbing uneven terrain where you won't always have all 4 wheels on the ground (4WD) or ice and snow and mud and sand where two wheels just can't put enough power to the ground to move the car around (4WD or AWD). Unless you are going to be living on unmaintained roads, or driving off road in extreme conditions, you do not need to have a 4WD vehicle in Colorado, or anywhere. A 2WD car with good snow tires should be more than enough. For an inexperienced driver (particularly if you don't have a good awareness of what your car is doing, regarding wheels slipping or slight yawing motions), a front-wheel-drive car is probably best. But if you get a 2WD SUV, even a CRV, that makes you a poseur. edit: Also: 4WD does NOT help you stop! And not every AWD system is a great help in cornering (and NO true off-road 4x4 system is)! A lot of people get this sense of invincibility from their 4WD in inclement weather, and it puts them in the ditch.

Answer 3

4wd drive helps get traction to accelerate/ steer but your are still using 4 tires to stop just like a 2wd. 4wd vehicles have more weight than their 2wd copys so they are slower and handle worse but the extra weight will increase traction. I take it you never had to shovel your car out of the snow?

FWD Front wheels pull the car
RWD rear push the car
4WD pull and push

I hate FWD ( torque steer)
RWD (fish tail)
4WD ( false sense of security)

4 vs.6 -(Many hands make light work) 4 and 6 in the same car should get the same top speed but the 6 will get you there faster.

Answer 4

This will all depend on how you use the vehile and if you "need" 4wd. In areas where you have snow or alot of ice during the winter months, it is a great advantage to have traction from 2 more tires helping you to stay in control of you vehicle. Now if you have things to pull like big trailers or boat or atv trailers where you will be on off road, or wet surface conditions at times of needed traction, it is to the same advantage to have to more wheels pulling. There aren't any power or speed enhancements or quiker starts. Now depending on what type of make/model your referring to, there might be a slight difference in fuel economy along with some other minor differneces, but like I said it all depends on what exactly we are talking about in vehicle. Hope this helps.

Answer 5

Advantages Of Four Wheel Drive

Answer 6

4WD is essentially for off-road, maybe also sharp inclines, and mud. All 4 tires are 'moved' by the engine, so they have more grip. That's why Jeeps are so popular for off-roads.

Another way to see it: Japanese "rally" cars are 4WD like Subarus, and Mitsubishi Lancer Evo. These races have plenty of sharp curves, mud, snow, gravel, etc.

4WD is not really practical on paved roads, you will benefit more from traction control and ABS.

Answer 7

If you live in southern Cal. and only drive on paved roads there is absolutely no reason whatsoever to own an AWD vehicle.

AWD costs more, consumes more fuel, has higher maintenance costs and has special requirements for tire replacement. The only benefit it provides is improved acceleration on slippery pavement, which you will see very little of.

Answer 8

4wd is good in snow, rain and mud as all 4 wheels are propelling the car

Answer 9

Drinks more gas......