Diesel Vs. Gasoline Essay

1048 words - 4 pages

When consumers look to spend twenty thousand dollars or more for a vehicle it’s obvious that they want to get the best for their money. New cars come with many options and each option claims to be better than the other when it comes to finding the best vehicle, but what vehicle can give the consumer the best combination of power, durability, and efficiency for their money? One option that is becoming progressively more available for the consumer to consider is the option of a diesel burning vehicle rather than a gasoline vehicle.
With today’s economic hardships it’s obvious that the first thing consumers look at when buying a vehicle is fuel efficiency. Consumers looking for a vehicle usually over look diesel cars and trucks because of the extra cost of diesel fuel. This is a very common misconception because the extra fuel millage obtained by a diesel motor tends to be overlooked. Diesel engines deliver thirty percent better fuel mileage that gasoline. For the extra price diesel to offset the better fuel economy diesel would have to be at least thirty percent more than gasoline (Scalar, Deanna). For example, the diesel 2011 Volkswagen Jetta will cost $1,725 annually; while its gasoline counterpart will cost $2,118 annually (Mello, Tara Baukus).One gallon of diesel contains approximately 147,000 BTUs of energy, while a gallon of gasoline only has 125,000 BTUs. This means it takes more gasoline to equal the power output of diesel, making diesel engines more efficient per gallon of fuel burned (Schifsky, Chuck). Not only is the diesel fuel more efficient that gasoline but because of the direct injection of diesel motors there is little wasted energy as compared to gasoline engines.
With cars becoming more and more expensive many people are driving them longer and longer as compared to replacing them with as little as one hundred thousand miles on them. Diesel vehicles are defiantly the vehicle to buy with consumers looking to put thousands of miles on them. Diesel motors go as far as four hundred thousand miles on average and can go as far as six to seven hundred thousand miles (Write, Matthew). This is over twice the life of even the longest lasting gasoline burning cars. When you take that into perspective of buying cars you will have to buy two gas cars to get the same life out of one diesel burning car. But why do diesels last longer? Diesels tend to last longer for many reasons. One reason is that diesel engines run at lower RPMs (rotations per minute) causing less stress on the mechanical parts of the vehicle. Diesel also acts as a mild lubricant as well as a fuel so the pistons and metal parts of the engine have less friction than the same parts belonging to a gasoline engine. Diesel engines also run at a higher compression than gasoline engines so they are built stronger to handle the compression allowing them to last longer as well.
Performance is a key factor in what consumers look for in a vehicle. The thrill of feeling the power...

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