Four-wheel drive is a typical pseudo-demand, not off-road, do you really need four-wheel drive? A foreign institution once conducted a survey among more than 1,100 home four-wheel drive users, and 71% felt that four-wheel drive was useless, and 34% of them said that they had never used four-wheel drive.
What is the use of four-wheel drive?
There is no need to talk about full-time four-wheel drive, time-sharing four-wheel drive, time-time four-wheel drive, nor do we need to say anything about the Audi Quattro, Volkswagen 4Motion or BMW's xDrive, we only start from the perspective of use. What is the use of four-wheel drive?
As we all know, the front drive is the front wheel tow the car, the rear drive is the rear wheel push the car to run, and the four wheel drive is that all four wheels are powered. What are the benefits of this? At the end of the day, there are only three points:
1, better stability (higher control limit):
Have you ever seen a tire slip? If the horsepower of the car is too large, exceeding the limit of the tire's grip, the drive wheel will slip. If it is a four-wheel drive vehicle, the four wheels grasp the ground together, and the grip of the tire is doubled in theory, and it is not easy to slip. The same is true on some snow, snow and rain roads, because the road is slippery, the grip of the tires is reduced, and there will also be slippage, while the four wheels of the four-wheel drive car share the grip, which is more stable than the two-wheel drive car.
This stability is more obvious in climbing, bending and other road conditions, for example, there is a saying circulating in the car circle, called uphill is not with Highlander, downhill is not with Camry, of which, the first half of the sentence is related to two-wheel drive, four-wheel drive. Because of its domineering appearance, Highlander gives people the illusion of being able to cross-country. Forget which model it is, in short, a two-wheel drive Highlander, a small dirt slope that is not steep, Highlander tires all kinds of scratching the ground, is not going up, the back of a large row, so that highland owners lose face.
In fact, the principle is also very simple, Highlander is the front drive, and when going uphill, the vehicle center of gravity is backward, the two front wheels because there is not enough downforce, resulting in insufficient grip on the uphill, and the front drive is related, but also related to the body counterweight. Perhaps, at that time, sitting two fat people on the front chassis cover, this slope went up. (Danger, that is, jokes, don't try) If it is a four-wheel drive, the front wheel grip is insufficient, and the rear wheel, this will not happen.
On the curve, the low-speed turn two-wheel drive car is no problem (not the ice and snow road), and if the speed is too fast, the front drive will have understeering, also known as the push head, the back drive is prone to oversteering, also known as tail flicking. In fact, the reason is also easy to understand, when the vehicle turns, it is affected by centrifugal force, and the pressure on the inner and outer wheels is different, resulting in a change in grip. For example, when making a sharp turn to the right, the vehicle's center of gravity is biased towards the left wheel, the grip of the left wheel is increased, the grip of the right wheel is reduced, and in extreme cases, the right wheel may leave the ground or even roll over.
If it's a front-drive vehicle with insufficient grip on the right front wheel, the front of the car is shifted to the left front, and you want to turn to the right, this will cause understeer. If it is a rear-drive car, the right rear wheel has insufficient grip, but the left rear wheel has enough grip, and the result is that the butt is thrown to the left, that is, the tail is flicked (oversteered).
The four-wheel drive car will avoid this situation to the greatest extent, and higher stability means higher cornering limit, which is also the biggest effect of four-wheel drive vehicles, especially four-wheel drive cars and sports cars.
2, stronger out of difficulties:
This is easier to understand, like the highland Highlander mentioned earlier, climbing the hill can be regarded as a kind of get out of trouble. For example, the front wheel of the car is stuck in mud pits and sand, dry and slippery and do not go forward, the front drive car can not be moved, and the four wheel drive can transmit power to the rear wheel through torque distribution to help the vehicle get out of trouble.
3, can sell you higher price:
Why is it useless for you to buy 4WD?
1. Do you need high stability in 4WD?
If you want to get off the track, whether it's a rear drive or a four-wheel drive, casually, you buy a car not for home, you want to play, you need four-wheel drive, you need stimulation, you need extreme control, you need cornering performance, there's nothing wrong with it. However, how many people who play with cars care about money? And you and I are so pursuing cost performance, we have not yet reached the level of playing with cars, right?
You said your home is in the northeast, on the Songhua River... I often walk on snow and ice roads in winter – to be honest, I am also from the Northeast and have just written a post about how to drive safely on ice and snow roads not long ago. On snowy and snowy roads, the safest way to drive is not to drive. If there is no way, it must be opened, four-wheel drive is not as good as two-wheel drive snow tires, it is better to install snow chains.
If you just want a rainy day, the wet and slippery road can be a little more stable, a little safer, yes, no problem. But you might as well slow down. The four-wheel drive option does not have any value for money, and if you want to be cheap and want low fuel consumption, four-wheel drive is obviously not a good choice.
2. Do you need the extrication of four-wheel drive?
Since you don't go off-road, you probably don't need it.
If you say that your family lives in the countryside, back to your hometown, not to mention over the mountains and mountains, wading through the mountains, in short, the country road is not easy to walk, and it is easy to get stuck in the rain potholes - in fact, this kind of road, where two drives can't go, the probability of four wheel drive is useless. Because cheap four-wheel drive is not much better than two-wheel drive.
What kind of people are just needed for four-wheel drive? You live in a mountainous area, or a small county, or even in the countryside, often walking winding mountain roads, raining a little, steep slopes slippery, and even snow. At this time, the four-wheel drive is worth buying, because you are buying security, which is necessary.
How to choose the economic four-wheel drive?
First of all, you must know that four-wheel drive is bound to be more expensive than two-wheel drive, and it is also more expensive than two-wheel drive. You know the pros and cons of 4WD and feel that you need your money, so let's move on to the next step.
SUV, in fact, the most qualified should be the diesel version of the Haval H5, four-wheel drive has a girder, off-road is no problem, low-end only more than 120,000, should be the cheapest four-wheel drive SUV, diesel fuel consumption is not high, but unfortunately discontinued.
Among the models on sale, the first should be the Song Pro DM, and now that the Song Pro DM-i is about to go on the market, it will be a wave of subversion. However, DM-i is most likely a two-wheel drive model, which returns to the previous topic, if it is for home use, the two-wheel drive Song Pro DM-i is more cost-effective than the four-wheel drive Song Pro DM. Of course, in terms of performance, it is obvious that Song Pro DM has more advantages, zero hundred acceleration 5.9S, now the terminal discount is very large, about 150,000 can be landed, because it is plug-in hybrid, you can install charging piles, the cost of the car is extremely low, in line with all expectations, cheap, affordable fuel consumption, and strong power.
In the fuel car, you can consider the Haval F7X, 2.0T + 7 speed wet double clutch, zero hundred acceleration 6.6s cross-border SUV, there are currently discounts, more than 140,000, counting the purchase tax should be more expensive than the Song Pro DM, but this should also be the most cost-effective four-wheel drive SUV in the fuel car. It's just that the fuel consumption of this car is slightly higher, and the actual measurement of 100 kilometers is more than 10L.
In addition, the performance of the Starway TX is also good, it is also 140,000 starting, but it is 1.6T + 7 speed wet double clutch, the power is slightly weaker, but it is completely enough, and the chassis control is not inferior to the four-wheel drive of the Haval system. Can also be used as an alternative. Such as Haval big dog, H6, H6S four-wheel drive can also be, but the price is too expensive, the cost is not high.
The requirements of the sedan for four-wheel drive are even lower, mainly some high-performance cars will be equipped, such as Mercedes-Benz AMG, Audi S series, RS series, BMW M series and the like, basically and cheap, economical and unrelated. There are almost no under 200,000. The price is slightly more affordable, it should be Lynk & Co 03+, but the four-wheel drive version is at least 200,000, and the landing is not less than 220,000. In addition, the Han DM in the medium and large sedan should be the most cost-effective choice at this price point. Pure electric rear drive, hybrid four-wheel drive, zero hundred acceleration 4.7S, should be the ceiling of the same price point performance.
In fact, this is also the reason why I do not recommend four-wheel drive, four-wheel drive vehicles are inflated in price, especially fuel vehicles, there are few cost-effective options. However, new energy models, such as Song Pro DM, Han DM, because the four-wheel drive is realized by the rear motor, there is no complex transmission mechanism, both performance and fuel consumption, it is more worth considering.