బిఎండబ్ల్యూ ఎం8 కూపే కాంపిటిషన్ vs నిస్సాన్ పెట్రోల్

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 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 alloy wheels. Alloy wheels are lighter and better looking than standard wheels, not including tyres.

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.

12V power socket to power your appliances, like phones or tyre inflators.

A mirror, usually located behind the passenger sun shade, used to check one's appearance. More expensive cars will have these on the driver's side and some cars even have this feature for rear seat passengers too.

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.

Dedicated AC vents for the rear passengers, usually located between the front seats. Helps cool the rear compartment, while offering passengers the option to control the flow. Some rear AC vents allow for fan speed control.

Additional support for the lower back in the car seats. It is adjustable (manual or powered), allowing users to adjust the level of support according to their preference.

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.

Rear seats that can be folded down to create additional storage space.

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.

A feature that allows the driver to operate some car functions using voice commands. Make using features easy without distractions.

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 feature designed to extend the battery's life by reducing unnecessary power drain when the car is not in use.

Unlike standard power windows, this one allows you to roll up/down the window fully with a single press of the button.

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.

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.

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

An additional turn indicator located on the outside mirror of a vehicle that warns both oncoming and following traffic.

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 alloy wheels. Alloy wheels are lighter and better looking than standard wheels, not including tyres.

An alarm system that sounds when anyone tries to access the car forcibly or break into it.

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 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.

A secure attachment system to fix child seats directly on the chassis of the car.

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

A feature that notifies the owner if the car moves beyond a predefined geographical area. Useful for security and monitoring of the car.

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