மெர்சிடீஸ் ஜிஎல்ஏ vs வோல்வோ சி30

The number of intake and exhaust valves in each engine cylinder. More valves per cylinder means better engine breathing and better performance but it also adds to cost.

A device that forces more air into an internal combustion engine. More air can burn more fuel and make more power. Turbochargers utilise exhaust gas energy to make more power.

The component containing a set of gears that supply power from the engine to the wheels. It affects speed and fuel efficiency.

Specifies which wheels are driven by the engine's power, such as front-wheel drive, rear-wheel drive, or all-wheel drive. It affects how the car handles and also its capabilities.

The rate at which the car can increase its speed from a standstill. It is a key performance indicator.

The dimensions of the car's tyres indicating their width, height, and diameter. Important for grip and performance.

Tells you the kind of tyres fitted to the car, such as all-season, summer, or winter. It affects grip and performance in different conditions.

The diameter of the car's wheels, not including the tyres. It affects the car's ride, handling, and appearance.

The distance from the centre of the left tyre to the centre of the right tyre of a four-wheeler's front wheels. Also known as front track. The relation between the front and rear tread/track numbers decides a cars stability.

The distance from the centre of the left tyre to the centre of the right tyre of a fourwheeler's rear wheels. Also known as Rear Track. The relation between the front and rear Tread/Track numbers dictates a cars stability

Weight of the car without passengers or cargo. Affects performance, fuel efficiency, and suspension behaviour.

The gross weight of a car is the maximum weight that a car can carry which includes the weight of the car itself, the weight of the passengers, and the weight of any cargo that is being carried. Overloading a car is unsafe as it effects handling and could also damage components like the suspension.

The maximum number of people that can legally and comfortably sit in a car.

The amount of space available in the car's trunk or boot for keeping luggage and other items. It is measured in cubic feet or litres.

The total number of doors in the car, including the boot if it's considered a door. It affects access and convenience.

Unlike fixed headrests, these can be moved up or down to offer the ideal resting position for the occupant's head.

A foldable armrest for the rear passengers, usually in the middle, which also comprises cup holders or other small storage spaces. When not in use, it can be folded back into the seat, so that an additional occupant can be seated.

A type of seat belt on which the height can be adjusted, to help improve comfort.

A steering wheel that has many buttons to control various functions of the infotainment system and key car functions like cruise control. This allows the driver to manage these functions without taking their hands off the steering wheel.

An electronic system that automatically maintains the car's speed set by the driver, reducing the need for constant pedal use. Useful feature for long highway drives.

Sensors on the vehicle's exterior that use either ultrasonic or electromagnetic waves bouncing off objects to alert the driver of obstacles while parking.

A button that allows starting or stopping the engine without using a traditional key. It enhances convenience.

A compartment in the car for holding bottles. Usually located in car door pockets. More bottle holders means more bottles can be stored at once.

Buttons behind the steering wheel for manual gear changes. Found in automatic cars and placed ergonomically, making gear changes easier.

A port in the car that allows passengers to charge electronic devices like smartphones and tablets via USB cables.

A tailgate that, in most cases, can be opened automatically by swiping your foot under the rear bumper.

A car AC is a system that cools down the cabin of a vehicle by circulating cool air. You can select temperature, fan speed and direction of air flow.

A heating function for the cabin. A handy feature in cold climates.

Allows the driver to adjust the position of the steering wheel to their liking. This can be done in two ways: Tilt and/or Reach

Refers to a driver's seat that can be raised vertically. This is helpful for shorter drivers to find a better driving position.

Headlights that turn on and off automatically based on the time of day or environmental lighting conditions.

Headlights that stay on for a short period after turning off the car, illuminating the path to the driver's home or door.

A meter that keeps track of the total kilometres a vehicle has travelled. This cannot be reset by an owner and serves as a record for tracking service intervals and waranty validity, and also is important when selling the vehicle.

Increases downforce on the rear end of the vehicle. In most cars, however, they're used simply for looks.

A glass panel on the roof of a vehicle, either just over the front seats or extending further backward towards the rear.

Headlights that provide a stronger, more focused beam of light. Provides better light throw and increases visibility at night.

LED daytime running lights (DRL) are not to be confused with headlights. The intended purpose is to help other road users see your vehicle better while adding to the car's style.

Refers to the use of LED lighting in the main headlamp. LEDs provide a bright white beam, making night driving safer.

Refers to the use of LED lighting in the taillamps.

The dimensions of the car's tyres indicating their width, height, and diameter. Important for grip and performance.

Tells you the kind of tyres fitted to the car, such as all-season, summer, or winter. It affects grip and performance in different conditions.

The diameter of the car's wheels, not including the tyres. It affects the car's ride, handling, and appearance.

An inflatable air bag located within the steering wheel that automatically deploys during a collision, to protect the driver from physical injury

An inflatable safety device designed to protect the front passenger in case of a collision. These are located in the dashboard.

A rearview mirror that can be adjusted to reduce glare from headlights behind the vehicle at night.

A warning buzzer that reminds passengers to buckle their seat belts.

A function that alerts the driver when any of the doors are open or not properly closed.

This feature monitors the pressure inside each tyre, alerting the driver when one or more tyre loses pressure.

A security feature that prevents unauthorized access to the car's engine.

Improves the car's stability by detecting and reducing loss of grip.

A camera at the rear of the car to help with parking safely.

A system that warns the driver when the car exceeds a certain speed limit. Promotes safety by giving alerts.

A safety feature that automatically locks the car's doors once it reaches a certain speed. Useful feature for all passengers.

Airbags positioned at knee level to provide additional protection during a front collision.

These mechanisms tighten up the seatbelts, or reduces their force till a certain threshold, so as to hold the occupants in place during sudden acceleration or braking.

A feature that enables the car to call for emergency services or send an SOS message in case of an accident or crisis.

A function of ADAS that uses radar to alert the driver if there are vehicles behind them that aren't fully visible in their mirror.

A feature that helps prevent a car from rolling backward on a hill.

Cameras around the car that give a complete view of the surroundings. Helps in parking and avoiding obstacles while driving.