Mercedes-Benz GLA vs Audi TT

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.

A mild hybrid car, also known as a micro hybrid or light hybrid, is a type of internal combustion-engined car that uses a small amount of electric energy for assist.

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 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.

A light provided in the rear seating area of the car. It allows passengers to read or see in the dark without disturbing the driver.

Adjustable cushions on the top of the rear seats that provide head support for passengers. They increase the comfort and safety of passengers.

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.

Storage spaces that are specifically designed to hold cups or beverage cans. Sometimes these can be cooled and heated too.

Storage space located in the rear part of the car's interior. It is designed to securely hold cups or bottles for backseat passengers.

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.

Manually adjustable exterior rear view mirrors refer to stick-like controls inside the car that are used to adjust the angle of the exterior rear view mirrors.

A vehicle's rear-view mirrors that can open and close at the touch of a button.

Lightweight wheels made of metals such as aluminium. Available in multiple designs, they enhance the look of a 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.

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

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.