Only the one that recommended a plant that made your car. Its type is specified in the bookcase applied to the machine, as well as on the reverse side of the gas tank hatch. Experiments are not needed here: because each motor is calibrated under a certain grade of gasoline. And microprocessors and other electronic things are far from omnipotent: they will not make the engine, calculated under Premium, digest the low-fledged Normal.

What happens? With sharp accelerations and large loads, the detonation sensor will constantly work out (who has it), and this leads to unstable engine operation - the car twisted and loses in the dynamics. And if there is no detonation sensor, there are problems with the overheats of the motor and its premature wearAnd then the squeezing of the cylinder block, the destruction of pistons and valves. In addition, the fuel consumption will slightly increase.

Finally, the strongest argument is a guarantee! If you really started to fill in the tank, those that, and then came with complaints, then on the warranty service, in the event of a controversial situation, they will take a gasoline sample from the tank, after which a paid repair will be offered with a clean conscience. And will be right.

As a temporary measure, it is possible to use the 92nd instead of the 95th - if there is no other gas station, and it is necessary to go. But it is not worth nimble. However, everything goes to the fact that the 92nd will not be soon. And conversations that the 95th is always worse than the 92nd, I fed up.

Is it worth using ultimate gasoline in the presence of ordinary?

I am convinced that it is worth. Only Ultimate and other "ECTO" fill in your car. But not at all because someone's stupid advertising promised a dozen percent of fuel economy - in practice it cannot be. Just gasoline with such consoles in the title have increased detergent and constantly remove from fuel system All rubbish. We have repeatedly checked it in examinations - yes, it works! Therefore, if you take dirty motor And begin to "wash" it like this fuel, then after a while he will really add in power and becomes more economical. But in no case is no better than the same motor that was already clean.

Is it worth using 98th gasoline so that the machine "flew"?

Even if you forget about the difference in price, everything is not worth it. Super gasoline have their own specific scope - these are highly functional, upgraded engines that require high detonation fuel resistance. And pouring such gasolines into the usual, the ordinary motor just no need. Moreover, with ordinary, standard adjustments, the flow rate on the 98th will be greater, and in power it is most often you can lose. The fact is that the technology of obtaining the 98th is often constructed on the use of a sufficiently large addition of high-octane components with low calorific value - it means that the total "caloric content" of fuel will decrease.

Is it possible on the appearance of gasoline to calculate the lack of quality?

Not always. Normal factory gasoline, without excessive content of bad octan-insiding additives, either almost blunder, or has a weak yellowish or bluish color. But gasoline with a reddish tint should immediately alert. Such color is given metal-containing additives based on ferrocene or manganese. In addition, the excessive content in the gasoline of octan-insiding additives based on monomethylaniline (MMA) issues a saturated yellow color of gasoline and a sharp sickening smell, from which the head cracks.

Do we sell import gasolines?

Difficult question. Such things are usually not advertised. According to my information, Norwegian gasoline Statoil will be brought in the north-west, as well as the 98th Neste. But in any case, it is necessary to understand that the machine will not be faster or more economical. The more gasoline "sharpened" to the environment, the less attention is paid to the economy - the alignment does not work.

What is the separation of gasoline in Eurostandards and classes?

There are no gasolines according to EUROSPECTIVE standards in Russia. The inscriptions "Euro" on separate gas stations are PR. The seller wants to call his goods with a loud name - and calls. Although "Euro-7", even "gasoline Pupkin". Unfortunately, this is his right. But essentially in the Russian Federation fuel are divided only by classes. These norms are similar to European, and yet they are a little others. A detailed comparison of two documents was in SM, 2013, No. 6.

A car description requires fuel on EN 228. Where to take it?

There is no answer to this question. From a formal point of view of "Mazdovoda", "Volvolyubs", "Skodniki" and "Folds" constantly violate the rules of exploitation of their cars, pouring fuel, formally incorporated by this most EN 228. It remains to hope that our classes are no worse than their "euro". The reasons for the fact that the Russian cannot behave like European, we write constantly. In fact, officials completely collapsed the fuel quality control system.

What if the ecological classes of the car and fuel are different?

Porridge butter will not spoil: the use of a higher class fuel than specified in the TCP is absolutely safe. But the reverse replacement is allowed only as a forced measure. True, Nissan experts believe that there will be no harm from several refills, but colleagues from the Dmitrovsky landfill are shaking his head: they say, do not play these games. Vazovts say that gasoline from the 3rd to the 5th grades can be cast in their car.

Unfortunately, many gas stations are not specified at all. Nothing is written on the column, and rummage in pieces of hunting not any. Yes, and confidence in these pieces, in general, zero. For complacency, you can look at the paid check - there is something like "Class-4" specified? Well, for complete calm, I will quote the famous St. Petersburg professor: "Motor is tearing and confidently kills a foreign environmental class, but its composition. What, by the way, is distinguished quality gasoline From Bodhagi, with which it is easy and replaying. "

The easiest advice is this: refuel exclusively on branded gas stations - BP, SHELL, Gazpromneft, Tatneft, Rosneft, "Tattheft", "Lukoil", etc. Bright signs, shops and other attributes of civilization. It happens, of course, that on the same "LUKOIL" suddenly turns out that there is no "LUKOIL", but it is not clear who, since the check gives some kind of LLC or JSC, but in general, these are exceptions. Fear the gas stations painted "under the company" and called almost the same way - roughly speaking, not BP, and RV, or "Lidikul", and not "LUKOIL". Never pour junk, the cost of which is several rubles lower than on the neighboring company gas station. Once we bought such fuel for examination - the car stuck through, and instead of the 95th in the canister turned out to be a disgusting 80th ...

Frequently asked many questions about what fuel should be poured into cars.
As a rule, on inner side The lids covering the gas tank neck plug, there is a sticker, which in addition to the standard strict inscription Unleaded Fuel ONLY! (Only neelectric gasoline!), He also says that it is necessary to use Standard or Regular (depending on the country of sale) for ordinary atmospheric engines And only Premium or Super, for turbocharged models. The same inscriptions meet both operating manuals attached to cars.
But such terms in different countries denote different octane number gasoline, while even the method of determining octane numbers of gasoline fuels in different countries Various. There are two main methods for determining the octane number (OC) of gasoline: Research (RON or ICH) and Motor (Mon or Urine). However, for example, in the US, an octane number is used, which is determined as the arithmetic average between motor method, and on research. And in Russia - A-76 is normalized by the engine method (it is not normalized by very research on it), and high-octane varieties (AI-95 and AI-98) - on research! Thus, if, for example, to take Pts on the engine method of the same 92nd and 95th, then you will get the figure 85 in both cases (according to GOST 2084-77).
An even more confusing situation with verbal symbols:
In the United States, for example, standard gasoline Regular has an octane number 87 (i.e. AI-90 in terms of Russian GOST), and Premium or Super - 92 or 93 (that is, not lower than the Russian 98th in terms of). Moreover, an octane number in America is not written at all refills. There are also higher octane gasoline Super - 94 and above, but they are much less common.
In England, even standard gasoline (Standard or Premium) has an octane number of 95 RON (an analogue of our AI-95 - there is an octane number is also determined by the research method). And Super in the same Great Britain has an indicator 98 RON (that is, close to our AI-98).
In Japan, standard Regular gasoline is not lower than 89 RON (on average - 90.3 RON / 81.4 MON), and Premium or Super - not lower than 96 RON (on average - 99.8 RON / 88.1 MON), that is SUPER gasoline in Japan has an octane number 100!
According to the Japanese manual for nonurgicated engines, it is recommended to use standard gasoline regular, that is, analogous to our AI-92, and only Premium is recommended for turbocharged models (that is, closer to AI-98!).

(link)

There is another interesting observation. If the car for the market of Japan is designed for gasoline regular (in our opinion, AI-92), then a similar car for the European market (or purchased from us through the dealer) is already designed for AI-95. For example, Nissan X-Trail Or Nissan Bluebird Sylphi (Almera, Sunny). Another fact: car Honda. Odyssey for japanese market Equipped with an F23A engine, which has a compression ratio of 9: 1, and a similar car for the Singapore market (which focuses on European standards) is equipped with an F23Z4 engine with a compression ratio of 9.3: 1. More high degree Compression "Singapurta" indicates the use of higher octane gasoline.

If you have ever been on a gas station, you probably noticed that there are several options for gasoline to refuel cars - usually 92 and 95. Many people think that the higher the number, that gasoline is better, therefore, and more expensive. This is not quite so. What do these figures mean, and why does diesel have them?

What is really gasoline better to upload - 92 or 95? To understand the numbers well, we need to first sort out the work of the gasoline engine.

The principle of gasoline engine

Both gasoline and diesel engines are engines internal combustion. This means that the source of energy burns inside the engine itself, and not from the outside (think about vapor motorwhere coal is an energy source for steam heating in the engine, providing power). However, one of the important differences between gasoline and diesel engines It is that gasoline needs an ignition candle for igniting the mixture of air-gasoline at certain points in time.

The problem occurs in gasoline engineWhen a mixture of compressed air and gasoline flames itself in itself prematurely before the ignition candle starts it at the right time, as a result of which it will explode in the combustion chamber. It causes a knock in the engine, so such a problem is called the engine detonation.

Gasoline contains a mixture of octane (hydrocarbons with 8 carbon atoms) and heptane (7 carbon atoms). Rooms 92, 95 belong to the octane number of gasoline or the amount of octane present in gasoline. The octane number of gasoline is an indicator characterizing the detonation fuel resistance, that is, the magnitude of the fuel ability to resist self-ignition when compressed for internal combustion engines. I.e simple wordsThe higher the "octane level" of fuel, the less likely the probability of self-ignition of fuel in compression.

What gasoline is better to upload - 92 or 95

The average price of gasoline in Russia ranges from 30 to 36 rubles per liter. When the AI-92 fuel costs 30 rubles, AI-95 - 33.2 rubles, and AI-98 - 36.5 rubles. Based on this, we calculated the cost of 20 thousand runs, and the following picture appeared before us:

• AI-92 - 63,960 rubles;
• AI-95 - 73 100 rubles;
• AI-98 - 76 880 rubles.

It turns out that the use of gasoline with a low octane number is most beneficial. But, according to the leadership, the use of fuel with a low octane number is less economical than with a higher octane number. It's true?

The concept of "good gasoline"

What do you think mean " good gasoline"? This is fuel, refueling, on which the car is easily driving, and most importantly, consumption is less. In any instruction it is indicated that the best and cleaner diesel, so it is more economical. Cleanliness and quality are determined by an octane number, and the higher it, the better.

Some vehicles allow you to fill the tank with gasoline by any octane number, while others are only high purity gasoline.

To date, the standard divides fuel into four categories:

• gasoline normal 80s;
• regular AI-92;
• pREMIUM-95 gasoline;
• gasoline Super - 98.

Many car enthusiasts with increasing gasoline prices began to think if it is possible to refuel their car with a lower octane number, and most importantly what brand is more profitable and is it safe for the motor

Many car enthusiasts with increasing gasoline prices began to think if it was possible to refuel their car with a lower octane number, and most importantly what brand is more profitable and is it safe for the motor? Many, despite the cars installed for their technical norms In the quality of the fuel used, they try to save and instead of the laid 95 gasoline are refilled 92. Appearing that there is no significant difference between them, and how the famous advertising slogan is reading, "if there is no difference, then why pay more."

Supporters of the theory that there is no particular difference between these gasoline brands, leads the mythical experience of their familiar motorists as arguments, assuring that they fired more cheap gasoline And have not experienced any problems. However, in practice, the spear savings turns into the subsequent costs of replacing not separate parts, but entire aggregates in the car. Do not save on gasoline proposed by the car manufacturer, must strictly observe. It will be the key to the impeccable and long operation of your car.

It is worth dealt with more details, is there a difference between the two brands of gasoline and what she

Let's draw a simple experiment

Here are some tests to determine how affects qualitative characteristics gasoline on the internal aggregates of the car. Optimally displays the relationship between the quality of gasoline and the operation of the internal aggregates of the car, the test for determining power. To do this, install a car on the stand, while the drive wheels must be installed on the rotating drum. Then, on the 4th gear, give up to 2 thousand revolutions and drown up to the stop of the gas pedal. After determining the magnitude of the torque and the speed of rotation of the drums. So you can easily determine the power supplied on the wheels of the car.

After that, it was transferred to the immediate experiment, for this purpose, 20l 92 gasoline bought, and 95 gasoline brand was poured into the tank. After the car was placed on the stand and measured the maximum possible power from the wheels, it turned out 155 hp. Then the fuel consumption was calculated, it was almost 8.2 l / per 100km.

After the experiment continued, the bay into the tank is already 92 gasoline. According to the instruments, the difference in capacity turned out to be insignificant and amounted to only 0.1l. Unlike an experiment with 95 gasoline, which in absolute numbers is 155.6 hp. However, the reduced octane number of gasoline, negatively affects the operation of the engine causing minor detonation. In essence, these are mini explosions arising from fuel ignition. This leads to warming up the inner walls of the car cylinder and affects the junction of the engine - rubber gaskets. In the future, it will inevitably end the engine overhaul, and this is very expensive pleasure and not always qualitative.

How to improve the quality of gasoline

There are artificial ways to improve the quality of gasoline and increasing the octane number. To this end, synthetic additives are actively used, namely adding Tetro-ethyl lead to gasoline, which can effectively increase the octane number, but at the same time causes irreparable harm to the environment, so the release of this additive is strictly prohibited at the moment.

Modern cars are equipped with sensors for determining the detonation of fuel, such a system ensures the protection of the engine when using fuel with a lower octane number. However, it acts only at low loads on the motor. Given that it is not permissible to use maximum load on the engine.

The second part of the experiment was devoted to fuel consumption, this allowed to unambiguously determine which gasoline is optimally fascinated to the fuel system of the car. The experimental conditions were left for the same, poured 92 gasoline to the tank and dispersed the car up to 90 km / h. To the surprise of many gasoline consumption was only 0.1 units greater than when using 95 gasoline brand.

Summarize.

According to the experiment, at first glance, a substantial difference in power and fuel consumption was not detected, and taking into account the error, the indicator of 0.1 units can be equal to zero. This is all the lyrics, let's go to simple arithmetic and consider real benefit from savings on the quality of gasoline.

So on average, the difference in price between 92 and 95 gasoline does not exceed 2 rubles, or if it is accurate equal to 1.9 rubles. Multiply this value for the fuel consumption obtained during the experiment is 8.3 l / 100 km., And we define this figure, taking into account the average annual car run in 20 tons.

We obtain annual savings on gasoline about 3 thousand rubles, do not forget to add costs to this figure overhaul Engine, and he will soon need this savings. This amount is difficult to averaged, considering that it directly depends on the car brand and each car enthusiast can estimate it relative to its precious car.

The conclusion is simple and obvious. Keepy savings turns into large expenditures in the future and inevitably leads to the vehicle breakdowns. Therefore, it is not necessary to experiment on your iron friend, refuel high-quality gasoline and do not save on trifles.

It seems that for many, the question seems simple, and many people think that 95 gasoline is much better than 92, and if they pour gasoline 98 into the car, then it should "fly." Of course, pour gasoline any in a benzobak, if not thinking. But, you should not do. It is clear that for beginners it is a question more relevant than for experienced drivers. Drivers are more experienced, can already compare the behavior of their car after refueling it with different gasoline and on different gas stations. After all, gasoline with its octane number indicated by the same digit, at different gas stations, far from the same. So you need to know what to pour into the car and where to do it.

92 or 95 gasoline. We understand which one is better

And best of all, this is a lot of gasoline. It is with him that we have big problems at the moment, I think it is not necessary to prove to anyone. If you take these statistics, they say that the ordinary motorist is the bulk of their time on traveling in the city, or on country tracks are not very far from the city (usually, not further than 100 kilometers). With such trips, you can always refuel on the already verified refueling. One or two such verified gas stations, for sure, has every such motorist.

Choose a gas station

What gasoline is still better to pour?

Well, it seems to be "good people" helped and with refueling for themselves you decided. Gasoline I. diesel fuel There are high-quality. Now we decide the second task, what gasoline is better pouring. If you have a diesel car, then everything is much simpler here, the choice is, as they say, is small. As for gasoline, it is always here to choose from anything. 92th, there is the 95th, and on serious gas stations even the 98th.

Many believe that the 92nd is much better, it seems to be less in him and the additives is smaller and it is cleaner. But, if you fill the 95th, then after it, it seems to be left, the candles are blushing and there are some other not necessary consequences. But those who think so often simply do not realize that our "native" 92th, this is in most cases the same 80th. It is clear that there is a real 92nd gasoline, but it is not easy to find it. But the many examinations, and throughout Russia, and on different gas stations, are confirmed by our statement about the 80th gasoline. That is, the octane number that declares the refueling is quite rarely true. You can't argue here.

But, it is still necessary to determine what gasoline needs to pour into your car. It is clear that to begin with it would be very good to just explore the instructions for him that few people do at all. Very often in this instruction do not even need to climb. Such information is written on the back of the benzobacing raid on most cars. It is there that they write that you need to pour into the benzobak this car. They write "only 95th", then everything is very simple. Only here, our people sometimes want to deceive those smart people who have made this car, and pour into the benzobak after all the gasoline cheaper, that is, the 92nd. Do not do so.

It happens that the instructions say that you can use 92, then the decision is only for you. If you will pour 95th gasoline in this case, and not the 92nd, then this car does not hurt. In this case, certain advantages will even appear. Gasoline consumption will decrease. It is possible that the total dynamics of your car will be better when the engine will work in limit modes (these are sharp accelerations, high speed when driving and the like modes) its wear will even decrease. As for money to refuel, then there will be an exemplary equality between the refueling of 92th and more noble - 95th. But, the engine with the 95th "suffering" will still be less.

It should also be borne in mind that gasoline 92nd for today in our country, which is called the most "running". That is why they dilute and fake it much more often than the same 95th.

Or maybe pour the 98th?

Sometimes we rush to another extreme, and lay gasoline 98th, especially if there are no problems with money. We think the car will go even better. But, after all, this is a bust. Here you can harm the engine of your car more. The engines are highly functioning, in which the compression ratio is very high, here is the main consumer of the 98th gasoline. So, it is better to leave this fuel for athletes and for lovers of racing cars.

But, sometimes it makes sense to pour such gasoline. There are cases that at the refueling you poured some incomprehensible mixture, and not the 92nd, and not the 95th, but in general it is not clear that. Your car in the end, just does not want to go. He is very strong, as they say, "tupits" and unimaginably twists. Then this "injection" of the 98th gasoline will benefit him. Pour 5-10 liters, and your car will feel better, although not much. But, after such a poor-quality refueling, it is necessary to call at a hundred to make the diagnostics of your engine, as well as the entire fuel system. That's precisely because of such cases, never throw the checks that you are given at gas stations. Always keep them.

Grand total

I hope that now you understand which gasoline is still better to fill in your car. To fully explain to completely once, let's repeat everything again.

1. 1. We communicate with people, we are looking for all the information about the refuelers we need, we select the most convenient in terms of their location.
   2. We give preference to gasoline 95th. If not everything is definitely so for you, you can experiment from 92-and 95th. Run in them in different modesAnd you check everything literally for yourself, or rather on your car.
   3. In most cases, you should always pour gasoline only on already well-tested gas stations. There must be one or two.
   4. If you still failed your car, you poured into it it is not clear what gasoline, and your "swallow" refuses to go normally, then pour into the 5-10 liters of the 98th gasoline. Next, be sure to go to a hundred, and diagnose the car.