In cars where either a manual transmission or an automatic transmission is available, the manual is usually the cheaper option and the automatic is the more expensive option. Vehicles equipped with automatic transmissions are not as complex to drive. Location of the automatic transmission. Just like that of a manual transmission, the automatic transmission's primary job is to allow the engine to operate in its narrow range of speeds while providing a wide range of output speeds. Automatic transmission cars. Who Makes the Best Automatic Transmission Cars in the World, DIY and car review with Scotty Kilmer. Best automatic cars to buy. Automatic Cars The automatic car segment consists of 172 cars including Volkswagen Polo (₹ 10.00 Lakh), Skoda Octavia (₹ 36.03 Lakh) and Mahindra Thar (₹ 14.15 Lakh). Check out the latest prices.

When your grandfather was a kid, every car had three pedals and learning how to work a clutch was a rite of passage. Today, though, there is an unprecedented number of gearbox arrangements, each with its positives and negatives. Figuring out what all the acronyms and cryptic descriptions mean can be daunting, but the functions of these highly complex mechanical wonders are actually fairly straightforward. Let’s crack open the transmission case and take a look at what makes each transmission type unique.

1. Manual transmission

The simplest and oldest type of transmission still in use is the trusty manual. This gearbox uses a friction clutch modulated by the driver’s foot to connect the engine’s rotational energy to the transmission’s input shaft. From there, a fixed set of gears are engaged using a syncro and gear-selector fork connected to the shifter operated by the driver’s right hand (or left, in certain countries).

It’s gone by a variety of names over the years — manual, stick shift, standard, three, four, five, or six speed — but whatever you call it, there’s no denying that the trusty manual is an endangered species, at least in the U.S. Fewer and fewer new car models are offering a row-it-yourself gearbox and an ever-increasing percentage of the driving public doesn’t seem toknow how to use one.

In spite of the grim outlook for its future, the manual has a lot of advantages over the newer and more complicated options. The stick shift’s simplicity means that it’s less likely to need expensive repairs than any other transmission type, and if it does have a problem, it’s likely to be cheaper and easier to fix.

For decades, the standard was the only choice when it came to performance and virtually every race and sports car on the planet was equipped with one. In recent years, though, the manual has been eclipsed by the Dual-Clutch or semi-auto transmission in most high-end performance cars. However, it still offers better performance than most automatics and virtually all CVT transmissions. And fuel economy is a similar story. Up until recently, drivers who chose to shift their own gears enjoyed demonstrably better fuel economy than those who didn’t. Automatics, with their ever-increasing gear count, have now substantially narrowed the gap.

Aside from its inherent simplicity, performance, and fuel economy, perhaps the most compelling case for the venerable stick shift is the driving experience itself. For true driving enthusiasts, nothing can beat the feeling of a perfectly timed shift on a good old manual.

2. Automatic transmission

The ubiquitous automatic is by far the most common transmission on the road today. It uses a highly-complex torque converter to transmit the engine’s rotational energy, while gear shifts are controlled by the vehicle’s computer and accomplished with a planetary gear set and a series of clutches and brakes.

Automatic Transmission Car Vs Manual

Though the behind-the-scenes action is quite complicated, all the driver has to do is select from the familiar P-R-N-D-L choices on the gear selector. The advantage is, of course, a simplified driving experience and a gentle learning curve. The trade-off for the driving simplicity is mechanical complexity, which makes the automatic more prone to failure and pricier to fix.

Though most automatics can’t match a manual transmission for performance or fuel economy, modern examples are much closer than previous generations. Some late-model cars are equipped with transmissions boasting eight or even nine forward gears.

3. Continuously variable transmission (CVT)

The CVT offers a similar driving experience to an automatic, but operates using a completely different mechanism. In fact, the CVT doesn’t have gears at all — instead, it uses a system of belts and pulleys to produce an infinite range of ratios. The car’s computer decides how to adjust the pulleys to create the optimal ratio for the particular driving situation. This creates the CVT’s primary advantage: fuel economy. No other transmission type can offer more MPGs than a CVT (yet).

Since they’re not as complicated as automatics, CVTs are less prone to failure and costly repairs (though not as much so as manuals). Their biggest drawback may be a subjective one — the driving experience. Since there are no gearshifts, just smooth and seamless acceleration, CVTs may leave a true driving enthusiast feeling like he or she is operating an appliance instead of driving a car.

Tata Tiago Automatic Transmission Car

4. Semi-automatic and dual-clutch transmissions

Think of it as a hybrid between a fully automatic and manual transmission. A semi-automatic uses a similar mechanical layout to a conventional transmission, but uses a system of pneumatics and actuators to change gears. In a Dual-Clutch Transmission (DCT), there are separate clutches for both odd and even gears, which allows for incredibly fast shifts. These gearboxes can generally be operated in a fully automatic mode, or manually shifted via paddles on the steering wheel.

Semi-Auto and DCT transmissions offer cutting-edge performance with lightening fast gear changes that a pure manual just can’t match. Currently, these gearboxes are mainly found on race and high-end sports cars, and are, therefore, quite expensive. This disadvantage is magnified by their extreme complexity, which leads to more frequent and costly repairs.

Like classics? It’s always Throwback Thursday somewhere.

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