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Better tires, lower fuel consumption?
After a drastic drop, fuel prices have been rising slightly for some time now. Will they reach the levels seen before October of last year, when they broke the magical five złoty barrier? Let's hope so. This doesn't mean, however, that it's not worth looking for ways to reduce fuel consumption, thereby saving a few dozen cents weekly, or even a few złoty monthly. Not everyone realizes that since November 2012, the European Union has decided to help us save on fuel costs by requiring tire manufacturers to label their products with information about, among other things, rolling resistance, which has a direct impact on fuel consumption.
Everyone is probably familiar with the distinctive stickers on refrigerators, describing their energy rating. Starting with A and continuing through the letters of the alphabet, they designated the most energy-efficient, less energy-efficient, and least energy-efficient appliances. Consumers could compare products and choose the right model based on these labels. The tire labeling system works similarly; tires have standardized labeling for wet grip, noise levels, and, above all, rolling resistance , which has the greatest impact on financial savings.
What determines higher fuel consumption?
A vehicle in motion is subject to several forces : rolling resistance, inertia, gravity, aerodynamics, and friction. Their magnitude determines the amount of fuel needed to provide the vehicle with the necessary energy to cover the distance. As you can easily deduce, of all the vehicle components, tires have the greatest impact on fuel consumption. Their quality, and above all, the tread used, determines how much we spend on fuel. Tire manufacturers constantly invent new thicknesses and groove layouts to ensure the best aerodynamic properties for their products, thereby reducing rolling resistance.
Less rolling resistance = greater fuel savings
Now that we know that rolling resistance has a real impact on a car's fuel economy, it's time to identify tires that will address this issue. Which products will minimize energy loss during rolling and deformation? Which are the optimal choice? EU tire labels, available on new tires since November 2012, can help answer these questions.
Similarly to household appliances, which have had a clearly defined energy class for several years, tires are marked with letters from A to G (in the case of passenger cars, class D is omitted), where A denotes the tire construction ensuring the lowest rolling resistance, and G the lowest economy class, i.e. high fuel consumption.
How to save up to PLN 1,200 on fuel?
How does this labeling translate into real-world savings? Let's illustrate with a real-life example. The average person drives about 10,000 kilometers a year, driving to work or shopping with their wife. With an average fuel consumption of 8 liters/100 km and a fuel price of PLN 5 per liter, with A-class tires, they'll save about PLN 300 annually. The difference between a set of top-class tires and the lowest-class tires is as much as 7.5 percent. With an average tire life of four years, purchasing A-class tires for rolling resistance can mean a total savings of around PLN 1,200. As you can see, it's worth the effort.
Which tires should you choose?
It's a given that, to save on fuel costs, you should choose tires with the highest possible rolling resistance rating, i.e., A. Price and tire wear rates should also be considered. For example, Kumho tires, while very attractively priced, are almost as durable as more expensive Michelins. Popular Continental tires, while not inexpensive, wear out very quickly, making their maintenance extremely expensive.
Taking into account all factors and the price of the product itself, the LadneFelgi.pl store, experts in the tire industry, recommend the following tires for the current season:
These tires offer excellent braking performance on wet surfaces, are quiet, and most importantly, are affordable. In this case, it's safe to say they're worth every penny.