Over torque: The application of too much power to the wheels so that instead of propelling the vehicle, the wheels spin.

Oversteer: A cornering condition in which the rear slip angle is greater than the front slip angle. The tendency of the steered wheel to turn…

Overhang: The distance a car sticks out from its front or rear axle.

Overdrive: Any gear that drives a vehicle faster than the engine.

Original Equipment Manufacturer (OEM): Any component supplier that supplies parts to a manufacturer for assembly on the actual cars.

Odometer: An instrument for measuring and registering the kilometers a vehicle has been driven. It is always a part of the speedometer, using the same…

Notchback: It is the 'booted' version of the hatchback in which the rear windshield cannot be hinged up; a saloon in other words. Today, notchback…

Neutral steer: A cornering condition in which the front and the rear slip angles are equal. This condition provides maximum cornering performance but makes the…

Multiplexing: Modern technology used to transmit electrical signals to several devices, e.g., wipers, lights, horns, etc. through one serial bus instead of many common wires.

Multi Purpose Vehicle (MPV): Vehicles resembling family cars but taller with a shorter hood/bonnet. Designed for maximum practicality. Also called mini van or people's carrier.…

Monocoque or Unitized or Unitary construction: Integral body-chassis construction employed in modern cars, wherein metal pressings are formed into an integral unit. In this the…

Mini van: North American term for a boxy wagon-type of car, often having three or four rows of seats, with a capacity to carry six…

Micro car or Station car: Extremely small automobile, typically less than 3 meters in length; usually seat only the driver and one passenger and may…

Master cylinder: Main cylinder in the hydraulic braking system where the brake fluid is pressurized and sent to various wheel cylinders or calipers for applying…

Mac Pherson strut: The strut containing shock absorber, the spring and the stub axle. The suspension employing this is the most widely used type of…