A bucket seat is a car seat contoured to hold one person, distinct from a flat bench seat designed to fit multiple people. In its simplest form it is a rounded seat for one person with high sides, but may have curved sides that partially enclose and support the body in high-performance automobiles.
Bucket seats first appeared after World War II, making their debut in small European cars with floor-mounted shifter and parking brake lever. They are typically standard in front in fast cars to keep drivers and other passengers in place when turning at speed. Rear "bucket seats" are typically hybrids of bench and true bucket seats, being contoured generally like the latter but fixed in place, even when divided by a center console, and thus lacking a free-standing bucket seat's front-rear and backrest angle adjustability.
In American cars
Since their inception, American cars were equipped with bench seats, which permitted three-passenger seating. As European cars became more accessible to Americans following World War II, bucket seats became associated with sports performance and luxury. Bucket seats then spread to American manufacturers, beginning as "sporty trim packages" in the late 1950s and later appearing as a standard feature.
By 1962, more than one million U.S. built cars were factory equipped with bucket seats; often, these were fitted with a center console containing a gear shifter and other features such as ash trays, cigarette lighter, storage compartment, and power window controls between the seats. Large luxurious front bucket seats (and contoured "bucket-style" rears) made their debut in American personal luxury cars with the debut of the 1963 Buick Riviera in late 1962 as a 1963 model. The popularity of standard bucket seats exploded with the advent of sporty compact cars (known as "pony cars") pioneered by the hugely popular Ford Mustang in 1964. With the introduction of subcompact automobiles in the U.S. in the early 1970s, such as the Chevrolet Vega and Ford Pinto, bucket seats were used due for the same reasons they had originally appeared: lack of seating room and floor-mounted levers for the gear shifter and parking brake.
While bucket seats continued to gain popularity among compact and sporty cars, the bench seat remained the preferred front seating arrangement in larger cars and trucks until the late 1990s. Increasingly, mid- and full-size domestic cars, as well as trucks, offered front bucket seating options for customers who wanted a sporty image or more personalized car. In the following decades this trend spread, with the last sedan to come with a standard front bench seat being the 2011 Lincoln Town Car, and the last to offer it as an option the 2013 Chevrolet Impala. SUVs spread widely during this time, universally with bucket seats in front. As of 2015, only some pickup trucks and SUVs retain the front bench seat.
Although rear seating in automobiles largely utilizes bench seats, some 2+2 cars have bucket-style seats in the rear. Long-wheelbase variants of full-size luxury cars, such as the Lexus LS 460L have an "executive seating package" option that reduces the rear to two passengers but provides them with more amenities. The Porsche Panamera offers only bucket seats as the rear configuration despite its large size.
Third row seating
Individual bucket-style seats are also used in passenger vans and minivans, although they are not always referred to as such. Unlike those in cars, bucket seats in vans can be configured in different ways or even removed for more cargo storage. In the typical minivan configuration, the front and middle rows have two bucket seats each, while the third-row seat has a three-person bench, for a total of seven passengers. Honda Odyssey 2005-2010 models (except for the base trim) adds a stowable "PlusOneSeat" between the middle row bucket seats. The Australian Mazda MPV has three seats in the middle and two in the last row.
A sport seat is an improved version of a bucket seat with advanced lateral support and ability to accommodate racing harnesses. Sport seats are designed according to the shape of a human body to provide advanced lateral support and weight distribution, which helps the driver withstand g-force while cornering. Sport seats come with special openings for 3-point, 4-point, or 5-point racing harnesses to increase safety in extreme driving conditions. These seats often are lighter in weight compared to stock bucket seats, which is vital for any sport car. They are universal and technically can be installed in any vehicle using model specific or universal bolt-on seat mounting brackets.
A suspension seat is a variation of a sport bucket seat designed for off-road vehicles. Unlike seats for sports cars, it is equipped with additional springs or suspension components that give extra shock absorption for bumps and jumps, making it softer and relatively more comfortable for the driver. While suspension seats provide more comfort for passengers, they are not considered safer than the static bucket seats used in motorsports.
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