To use the maximum coupling weight is used all-wheel drive. Currently, it has application in some record-racing cars. In this case, set the two engines, one of which is associated with the front and the other to the rear wheels. 
The total line-up of the car also depends on a frame. 
Most modern racing car has a rigid frame, usually performed in thin-walled steel tubes. 
Frameless design with a monocoque body found on racing cars is relatively rare. The need to create a hard, durable carrying the body, causes the complication of its construction, that race car sometimes leads to unwieldy shape.