The Truth About Drivetrains


by Gina Goldenberg - Date: 2007-02-20 - Word Count: 322 Share This!

Which wheels are used to drive your vehicle is determined by where the engine transfers its power to. Front-wheel drive cars receive the engines power in the front two wheels. Rear wheel drive vehicles power is transferred to the back two wheels and AWD/4 wheel drive vehicles engine power is distributed amongst all four of the tires. What does this mean for you? Well, each option has its benefits and drawbacks.

Most vehicles including minivans and cars under $35,000 are front-wheel drive. This offers increased traction and overall safety. It also allows more interior space since the axl does not need to run to the rear wheels. Since most of the vehicles weight is at the front of the car, front-wheel drive provides better drivability in bad weather and snow. Since the front wheels handle most of the braking responsibilities, more brake and tire inspections are recommended.

Rear-wheel drive is found mostly on pickup trucks, sport and luxury sedans where the vehicle weight is more evenly distributed. RWD enables the rear tires and suspension to work together more efficiently allowing better cornering, stopping power and overall smoother ride. On average, there is not much difference in fuel economy between front wheel and rear wheel drives.

All-wheel drive, usually found as an option on SUVs, offer all the benefits of front and rear wheel with the exception that these vehicles usually have better handling. Contrary to popular belief, AWD vehicles do not perform well off-road as this is not their intended use.

Under normal everyday use a four-wheel drive vehicle runs like a RWD however, the driver can enable four-wheel drive when required (usually when additional traction is needed). They have great drivability in ice and snow and are common on off-road vehicles, SUVs, snow plows and tow trucks. With four-wheel dive vehicles comes a false sense of security since there is no increase in stopping ability and the extra weight of these vehicles increases fuel consumption.


Related Tags: cars, vehicles, drivetrains, all wheel drive, awd, rwd, fwd, how cars work

Gina Goldenberg is Co-Founder of PersonalAutoBrokers.com, an online personalized car shopping service. She has written many articles that help car buyers make educated decisions. Gina created Personal Auto Brokers to make car buying easier and to help people save time, money and hassles. You can reach Gina at: info@PersonalAutoBrokers.com

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