Grand tower: Larger, more powerful and heavier than sports cars, these vehicles typically have a FR (Front engine, Rear Wheel drive) layout and seating for…

Gradeability: The ability of a vehicle to climb a grade at a given speed. For example, a vehicle with 5% gradeability at 60 kph is…

Glove box: A small compartment located in the dash board on the passenger side for placing small items, such as, owner's manual, vehicle papers, first-aid…

Gran Turismo (GT): A car combining the features of the sedan as well as the sports car. Gear Box. A mechanical device to multiply the…

Gross Vehicle Weight Rating (GVWR): Also referred to as GVW, it is the maximum total vehicle weight (measured at the tyre-ground interfaces) for which the…

Global Positioning System (GPS): A system to locate a vehicle using satellite signals.

Gross Combination Weight Rating (GCWR): Entire weight of a vehicle at the ground with a trailer or trailers including vehicle, equipment, driver, fuel and payload…

Gross Axle Weight Rating (GAWR): Rated capacity of a particular axle system, including springs, brakes, wheels and tyres.

Formula car: A single seat racing car with exposed wheels. Freewheel. A mechanical device that engages the driving member to impart motion to a driven…

Flywheel: A heavy wheel mounted on the engine crankshaft to smoothen the engine speed and also to carry the pistons beyond dead centres or during…

Fluid flywheel or Hydraulic coupling: An alternative to clutch, uses fluid for transmitting the torque. It is also called hydraulic coupling.

Final drive ratios: The ratio of the road wheel speed to the speed of the gear box (transmission) output shaft.

Fibre Reinforced Plastic (FRP): Continuous mat or woven fibres impregnated with plastic resins to form a light weight, but extremely strong material which may be…

Fibre optics: Transfer of light through glass fibres.

Fibre glass: A mixture of glass fibres and resin that when cured (hardened) produces a very light and strong material.