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AMT, CVT, DSG; Which Automatic Gearbox Is More Reliable?

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We are seeing a lot of cars in India being launched with the automatic gearbox models in the recent past. Let us understand what these three types of automatic gearboxes are and which is more reliable.

For a car to go from A to B, the vehicle's engine will suck in air and fuel through combustion and both of it will help generate rotation of the motor, this is then transferred to the wheels via the gearbox.

What is the meaning?

AMT - Automatic Manual Gearbox, the abbreviation says it all, a manual gearbox is automated with a simple use of technology. The AMT is a clutchless gearbox and the transmission box takes care of the use of a clutch and removes the hassle of using clutch; helps especially when in traffic.

CVT - Continuously Variable Transmission, this type of gearbox is technologically advanced and uses a single gear speed for acceleration, here too, it's a clutchless system of driving.

DSG - Direct Shift Gearbox, this type of gearbox is again advanced comparative to the above two gearboxes. This gearbox is a dual-clutch transmission; although it does not have a clutch pedal for you to use. It will pre-select the next gear and keeps it running for the gear shift and is much faster when it comes to shifting from one gear to the next.

Which is more reliable?

The reliability of the three gearboxes are directly related to the wear and tear, the AMT still uses the clutch mechanism and the CVT does not use a clutch at all, as for the DSG, it requires a dual clutch to engage a gear.

CVT is the most probable gearbox for the reliability when it comes to daily commuting purpose, which will include traffic and a lot of 'stop and go' driving condition. This type of gearbox uses a single speed transmission, you might find this high revving & accelerating, however, there is not much of friction with several gears shifting.

CVT Cars: Maruti Suzuki Baleno, Nissan Micra, Honda Jazz and Honda City

The AMT gearbox is reliable too, it is as good as a manual gearbox of a particular model, it removes the hassle of manual use of the clutch through a pedal. The most important aspect of an AMT is that it is cost effective and you can experience an automatic gearbox in your first car.

AMT Cars: Maruti Suzuki Alto K10, Celerio, Swift DZire, WagonR, Tata Nano GenX, Ritz, Mahindra TUV300

As for the DSG, it is reliable when it comes to sports cars, DSG cannot be compared to the AMT or CVT, as the performance of the DSG is way too advanced compared to the other two gearboxes.

DSG Cars: Volkswagen Polo, Vento, Jetta, Skoda Octavia, and Skoda Superb

Story first published: Wednesday, June 8, 2016, 12:57 [IST]
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