Types of Car Transmission | CVT vs DCT explained

When you turn the key and your car wakes up with that rumble? That’s the engine, the powerhouse that makes it all happen. But how it works and what makes it go vroom-vroom varies a lot.

Then there’s the transmission, kind of like the car’s brain for switching gears. Some cars have a stick you shift yourself, others do it all on their own, and there are even some super fancy ones that don’t have gears at all!

Imagine this as a cool adventure where we’ll explore all these different engines and transmissions. From the classic roar of a gas engine to the quiet zippiness of electric cars, and the way gearboxes shift from one speed to another—there’s a whole world of fascinating stuff going on under the hood.

So, buckle up and get ready for a ride where we’ll uncover all the secrets behind what makes cars move and how they do it. It’s like unlocking the awesome power behind your everyday drive!

Manual Transmission

 1. Functionality

• In a manual transmission, the driver controls gear changes manually using a clutch pedal and gear shifter.

• Gears are selected by the driver to match engine speed and vehicle speed.

 2. Advantages

• Greater control over gear selection and engine performance.

• Generally lighter and simpler compared to automatic transmissions.

• More fuelefficient in skilled hands due to direct control over gear shifts.

 3. Disadvantages

• Requires driver skill for smooth shifting.

• Can be cumbersome in heavy traffic or for inexperienced drivers.

• Manual transmissions are becoming less common in some regions.

 Automatic Transmission

 1. Functionality

• Automatically changes gears without driver input based on vehicle speed, engine load, and other factors.

• Utilizes a torque converter or dual-clutch system to manage gear changes.

 2. Advantages

• Easier to use, especially in stop-and-go traffic or for drivers with limited experience.

• Provides a smooth and effortless driving experience.

• Increasingly equipped with advanced features for better fuel efficiency.

 3. Disadvantages

• Generally heavier, more complex, and potentially less fuelefficient than manual transmissions.

• Repairs can be costly due to the complexity of the system.

• May not offer the same level of control as a manual transmission.

Continuously Variable Transmission (CVT)

 1. Functionality

• CVT systems use a belt or chain between two pulleys to provide an infinite number of gear ratios.

• Rather than distinct gears, they can adjust seamlessly through a range of ratios.

 2. Advantages

• Smooth and uninterrupted power delivery, eliminating traditional gear changes.

• Improved fuel efficiency due to constantly optimized gear ratios.

• Generally lighter and more compact than traditional automatic transmissions.

 3. Disadvantages

• Some drivers might dislike the lack of traditional gear shifts.

• Historically, some CVT systems have faced issues with durability and reliability.

• Not as suitable for highperformance applications due to limitations in handling high torque.

DualClutch Transmission (DCT)

 1. Functionality

• DCT uses two clutches to preselect gears, enabling quick and seamless gear changes.

• Allows for almost instant gear changes without interrupting power delivery.

 2. Advantages

• Provides lightningfast shifts, often quicker than traditional automatic transmissions.

• Improved fuel efficiency and performance due to optimized gear changes.

• Can be operated automatically or manually via paddle shifters.

 3. Disadvantages

• More complex and expensive to manufacture and repair than traditional automatics.

• Some DCT systems can exhibit jerky behavior at low speeds or in stopandgo traffic.

• Requires precise engineering and maintenance for optimal performance and longevity.

Comparison between CVT and DCT

Control and Driving Experience 

Manual transmissions offer the most direct control but require skill. Automatic transmissions provide ease but may lack the same level of engagement. CVTs and DCTs offer a compromise between control and convenience.

Efficiency 

CVTs often excel in fuel efficiency due to optimised gear ratios, followed by well tuned automatic transmissions and manual transmissions.

Complexity and Cost 

Manual transmissions are simpler and generally cheaper to maintain. Automatics, CVTs, and DCTs can be more complex and expensive to repair.

Each transmission type caters to different preferences, driving conditions, and vehicle designs. The choice often depends on factors such as driving habits, terrain, fuel efficiency requirements, and personal preferences for driving engagement. Automotive manufacturers continue to innovate, aiming to combine the best aspects of each type while addressing their respective limitations.

5 Best Manual and Automatic Transmission Car under 20 Lakh in India

If you are looking for a new car in 2023, you might be interested in the list of the best manual and automatic cars under 20 lakhs in India. According to Carbike360 Experts choice, some of the top contenders in this segment are:

Hyundai Creta

This popular SUV offers both manual and automatic transmission options, along with petrol and diesel engines. It has a spacious cabin, a sunroof, a touchscreen infotainment system, and many safety features. 

The price range is Rs. 10.87 - 19.20 lakh.

Kia Seltos 

This is another SUV that competes with the Creta in terms of features, performance, and design. It also has manual and automatic variants, with petrol, diesel, and turbo-petrol engines. It has a 10.25-inch touchscreen, a Bose sound system, ventilated seats, and six airbags. 

The price range is Rs. 10 - 18 lakh.

Maruti Suzuki Vitara Brezza 

This is a compact SUV that offers good mileage, low maintenance cost, and reliable performance. It has only a petrol engine option, but it comes with both manual and automatic transmissions. It has LED headlamps, a smart hybrid system, cruise control, and dual airbags. 

The price range is Rs. 8.29 - 14.14 lakh.

Mahindra Thar 

This is an off-road SUV that has a rugged look, a powerful engine, and a 4x4 drivetrain. It has both manual and automatic variants, with petrol and diesel engines. It has a hardtop or a convertible roof option, a touchscreen system, ABS with EBD, and dual airbags. 

The price range is Rs. 10.98 - 16.93 lakh.

Mahindra XUV700 

This is a premium SUV that offers a spacious interior, a panoramic sunroof, a digital instrument cluster, and ADAS features. It has both manual and automatic variants, with petrol and diesel engines. It has seven airbags, hill hold assist, traction control, and electronic stability program. 

The price range is Rs. 14.02 - 22 lakh.

These are some of the best manual and automatic cars under 20 lakhs in India that you can consider buying in 2023.