Which automatic transmission to select when buying your car?
Which automatic transmission should you choose when buying your next car - AMT vs. DSG vs CVT vs Torque Convertor?
There are cars that offer you the comfort of driving in city alleys and bumper to bumper traffic conditions. With the help of an Automatic Transmission, the need for disengaging the clutch manually every time you change your gear is deleted. Making your driving experience a plum job through the gains of an automatic transmission these cars are also light on your pocket.
Additional components in the automatics make them slightly heavier from the manuals.
Automatics function efficiently for providing improved fuel economy in modern-day cars.
There are various types of automatic transmissions and we shall help you to choose the best automatic car option. The 4 different types are
AMT (Automatic Manual Transmission)
The AMTs are popular among affordable cars and work in coordination with sensors to change the gears with the help of a single clutch. A hydraulic mechanism is attached to the transmission which operates the clutch. It uses hydraulic actuators for engaging the clutch automatically without the input of the driver. There are preset sensors that sense the need for gear change and react accordingly. AMTs have 4/5/6 gears. AMT’s have low cost of production because the additional system is bolted to a manual transmission & is converted into an AMT. This is an efficient transmission as the gear changes are set by the ECU, but you can feel the jerks and its harshness during a gear change.
Merits- Fuel efficient & Affordable.
Demerits- Jerky gear change and Harsh.
Popular Cars with AMT
- Maruti Suzuki Swift - VXi, ZXi
- Maruti Suzuki S-Presso - VXi, VXi (O), VXi+
- Maruti Suzuki Wagon-R-VXi 1.0, VXi (O), ZXi 1.2
- Hyundai Santro - Sportz, Magna, Asta
- Hyundai Grand i10 Nios- Magna, Sportz, Asta
- Renault Kwid - RXT, RXT (O), Climber, Climber (O)
- Renault Triber- RXL, RXT, RXZ
- Tata Tiago - XZ, XZ+, XZ+ Dual tone
- Tata Nexon -Almost all except XE
DCT/DSG (Dual Clutch Transmission)
Rather than using a single clutch, this system uses two separate clutches with sophisticated algorithms for smooth and fast shifts. One clutch operates the odd gears, (e.g, 1,3) while the other clutch operates the even gears (e.g 2,4). When a driver engages a gear, the second clutch already prepares for the next gear shift via complex computation. As a result, you get a smooth drive with an increased fuel efficiency of the car. Mainly it is used in luxury cars and supercars but nowadays you can see them in mid-size sedans and compact SUVs.
Merits- Fuel efficient, Quick & Responsive
Popular Cars with DSG
- Hyundai Venue Turbo 1.0- S, SX Dual-tone, SX+, SX+ Dual-tone
- Hyundai Creta- SX, SX (O) 1.4 Turbo-Petrol
- MG Hector- Sharp 1.5 & Smart 1.5
- Hyundai Verna Turbo 1.0- SX (O)
- Volkswagen Tiguan-2.0 TSI
- Volkswagen T-Roc-1.5 TSI
- Kia Seltos- GT Line 1.4 Petrol
CVT (Continuously Variable Transmission)
Mostly seen in scooters, CVTs have also gained market in cars. Instead of metal gears, CVT uses a pulley or belt system with specific diameters for providing a smooth drive. Jerks and thrusts during the gear change like the conventional automatics are not felt in a CVT. As there are infinite gear ratios available that change according to the speed of the crankshaft, there is no lack of power and you get an uninterrupted pull on your axle. It provides better efficiency and is more reliable than any other AT, but you need to bear with the hum that comes from the belt & the rubber band effect while driving
Merits- Fuel efficient & Reliable
Demerits- Uninspiring driving experience due to lag when you accelerate
Popular Cars with CVT
- Toyota Yaris- G, J, V, VX
- Honda Amaze- S, V, VX (Petrol and Diesel)
- Toyota Glanza- G, G Hybrid, V
- Maruti Suzuki Baleno- Delta, Zeta, Alpha
- Honda City- i-VTEC V, i-VTEC Zx
Using transmission fluid for the purpose of propelling the car in motion. Torque converters use pumps to set the mechanisms in it to start by pressure. The drivetrain is always connected here, there is no usage of a clutch. A torque converter is used instead of the traditional clutch that is present between the transmission and the engine. This transmission gives a heavy torque output as soon as you put your right foot down thus it is used majorly in SUVs. It has low fuel efficiency.
Merits- Affordable, Reliable
Demerits- Low fuel efficiency
Popular Cars with Torque Converters
- Maruti Suzuki Ciaz- Delta, Alpha & Zeta
- Maruti Suzuki Vitara Brezza- VXi & ZXi
- Hyundai Verna Diesel- SX & SX (O)
- Volkswagen Polo- GT
- Skoda Rapid- TSI Ambition
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