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Rear-wheel drive (RWD) is a form of engine and transmission layout used in motor vehicles, in which the engine drives the rear wheels only. Until the late 20th century, rear-wheel drive was the most common configuration for cars. Most rear-wheel drive vehicles feature a longitudinally-mounted engine at the front of the car.
The front-engine front-wheel-drive layout also has this advantage. Since the engine is typically the heaviest component of the car, putting it near the rear axle usually results in more weight over the rear axle than the front, commonly referred to as a rear weight bias. The farther back the engine, the greater the bias.
Rear-engine position / Rear-wheel drive. Rear-engined vehicles almost always have a rear-wheel drive car layout, but some are four wheel drive. This layout has the following features: Packaging: since there is no need for a transmission tunnel, the floor can be flat. [1]
The front-engine, rear-wheel drive layout (abbreviated as FR layout) is one where the engine is located at the front of the vehicle and driven wheels are located at the rear. [3] This was the traditional automobile layout for most of the 20th century, and remains the most common layout for rear-wheel drive vehicles. [4]
Base-engine 4Runners are rated at 20 mpg city and 26 mpg highway with rear-wheel drive or 19/25 mpg with four-wheel drive. Toyota 4Runner TRD Pro Toyota. Off-Road Capabilities.
Most modern rear-wheel-drive cars solve this problem by using a form of traction control, such as anti-lock brakes, which limits engine power when fishtailing occurs. Similar behavior is evident during heavy braking in all types of road vehicles due to weight transfer to the front. This can be mitigated by re-proportioning the braking forces ...
RMR layout; the engine is located in front of the rear axle. Rear Mid-engine transversely-mounted / Rear-wheel drive. In automotive design, an RMR, or rear mid-engine, rear-wheel-drive layout is one in which the rear wheels are driven by an engine placed with its center of gravity in front of the rear axle, and thus right behind the passenger compartment.
The rear engined Renault Dauphine earned in Spain the sobriquet of the "widow's car", due to its bad handling. [ citation needed ] Three-wheeled cars/vehicles have unique handling issues, especially considering whether the single wheel is at the front or back.