The hatchback feature rose in popularity beginning in the 1960s/1970s.
The distinguishing feature of a hatchback is a hatch-type rear door that opens upwards and is hinged at roof level (as opposed to the boot/trunk lid of a saloon/sedan, which is hinged below the rear window). Most hatchbacks use a two-box design body style, where the cargo area (trunk/boot) and passenger areas are a single volume. The rear seats can often be folded down to increase the available cargo area. Hatchbacks may have a removable rigid parcel shelf, or flexible roll-up tonneau cover to cover the cargo space behind the rear seats.
3 door and 5 door terminology
When describing the body style, the hatch is often counted as a door, therefore a hatchback with two passenger doors is called a three-door and a hatchback with four passenger doors is called a five-door.
Estates vs. Fastbacks vs. Notchbacks
Estates/station wagons and fastback-style hatchbacks have in common a two-box design configuration, a shared interior volume for passengers and cargo and a rear door (often called a tailgate in the case of an estate/wagon) that is hinged at roof level.
- steeper rake at the rear (ie the rear door is more vertical)
- a third row of seats
- rear suspension designed for increased load capacity or to minimize intrusion into the cargo area
- the tailgate is more likely to be a multi-part design or extend all the way down to the bumper
In Europe, the term "hatchback" can imply a three-box design with a profile similar to a sedan, although the length of the third box (the rear one) varies. It may be nonexistent (Nissan Primera P12), very short or vestigial (1985 Toyota Celica liftback) or long enough for the vehicle to be confused with a conventional sedan body style which may be offered alongside it (Mazda 6 GG1, Opel Vectra C, many others). While today many such cars feature smooth, curved lines making it difficult to tell where one "box" ends and another one starts, the same applies to fastback sedans, which makes the two body styles even more difficult to tell apart at first glance.
Hatchback as a Body Style
Liftback is a marketing term for hatchback models in which the rear cargo door or hatch is more horizontally angled than on an average hatchback, and as a result, the hatch is lifted more upwards than backwards, to open.
Toyota called the new body style a Liftback, signifying that it was a three-door hatchback rather than a two-door coupe. With its sloping fastback roofline, the Celica Liftback was, if anything, even less habitable for rear-seat passengers than was the hardtop, but the hatchback roof and folding rear seat made the Liftback more versatile for quotidian chores or the sort of “active lifestyle” pastimes that so fascinate advertising copywriters. 
Later in Europe, Toyota needed to distinguish between two 5-door versions of the Corolla E90, one of which was a conventional 5-door hatchback with a nearly vertical rear hatch while the other one was a 5-door more horizontal hatch, for which the term Liftback was used.
The first production hatchback was released by Citroën in 1938: the Citroën 11CV Commerciale.  The initial target market was tradesmen who needed to carry bulky objects, like butchers, bakers, vintners, and grocers.  Before World War 2, the tailgate had two pieces, a top section hinged from roof level and a bottom section hinged from below. When production of the Commerciale resumed after the war, the tailgate became a one-piece design which was hinged from roof level, as per the design used on most hatchbacks since.
In 1949, Kaiser-Frazer introduced the Vagabond and Traveler hatchbacks. These models were styled much like a typical 1940s sedan, fully retaining their three-box profile; however, they included a two-piece tailgate as per the first Citroen 11CV Commerciale. The Vagabond and Traveler models also had folding rear seats, and a shared volume for the passengers and cargo. The design was neither fully a sedan nor a station wagon, but the folding rear seat provided for a large, 8-foot (2.4 m) long interior cargo area. These Kaiser-Frazer models have been described as "America’s First Hatchback".
The British Motor Corporation (BMC) launched a 'Countryman' version of the Austin A40 Farina two‑box economy car in 1959. Just like its A30 and A35 Countryman predecessors, it was a very small estate car — but instead of regular, sideways opening rear doors, it had a horizontally split tailgate, having a top-hinged upper door and bottom-hinged lower door. The 1959 A40 Countryman differed from the 1958 A40 Farina saloon, in that the rear window was marginally smaller, to allow for a frame that could be lifted up, with its own support, so that the car now incorporated a horizontal-split two-piece tailgate. The lower panel was now flush with the floor and its hinges had been strengthened.
In 1953, Aston Martin marketed the DB2 with a top-hinged rear tailgate, manufacturing 700 examples. Its successor, the 1958 DB Mark III, also offered a folding rear seat. The 1954 AC Aceca and later Aceca-Bristol from AC Cars had a similar hatch tailgate, though only 320 were built.
Mass market acceptance
In 1961, Renault introduced the Renault 4 as a moderately upscale alternative to the Citroën 2CV. The Renault 4 was the first million-selling, mass-produced, compact two-box car with a steeply raked rear side, opened by a large, one-piece, lift-gate hatch.
During its production life cycle, Renault marketed the R4 calling it a small station wagon, just like Austin's series of small Countryman estate models from 1954 to 1968 – even after the term "hatchback" appeared around 1970. The company only offered one two-box body style. The Renault 4 continued in production in Europe until 1986, and in Argentina through 1992, selling over 8 million cars.
In 1965, the R4 economy car was complemented by the D-segment Renault 16, the first volume production two-box, hatchback family car. Its rear seats were adjustable, would fold down, or could be completely removed. The Renault 16 was successful in a market segment previously exclusively populated by notchback sedans, and in spite of making only the one body style for 15 years, selling over 13⁄4 million cars.
Unlike the Renault 4, which had a semi-integrated body, mounted on a platform chassis, and a front mid-mounted and longitudinally placed engine behind the front axle, the 1967 Simca 1100, which followed in the footsteps of the 1959 BMC Mini with front-wheel drive, a more space-efficient transverse engine layout, unitary bodywork and independent suspension (features which became key design concepts used by almost every mass-market family car since) - and it was the first hatchback with these features. The Simca 1100 also came in both three and five-door variants, and the hatchback models took a central position, traditionally taken up by saloons, in a full model line-up, completed by a station wagon, as well as panel van versions.
The Simca was closely followed by the Mini's larger stablemate, the Austin Maxi, which with the hatch was a five-door saloon, and with a transverse SOHC engine, a five-speed transmission, and a flexible seating arrangement which gave the option of forming a double bed. Created by the same designer as BMC's Mini, sir Alec Issigonis – accountants had determined that the car had to use the same set of doors as the Austin / Morris 1800, but would be marketed below it in the model range, so needed a shorter rear body. A curtailed rear end with a big hatch resulted. The Austin Maxi operated in the same market segment as the Renault 16, and the two competitors were closely matched in specifications and exterior dimensions, although the Maxi had significantly more interior space due to its transverse engine.
Increasing demand for compact hatchbacks in Europe during the 1970s led to the release of models such as the Austin Ambassador, Austin Maestro, Fiat 127 and Renault 5. By the late 1970s and early 1980s, the majority of superminis and compact cars had been updated or replaced with hatchback models.
Hatchbacks were the mainstay of manufacturers' D-segment offerings in Europe in the 1990s (they were already popular in the 1980s) and until the late 2000s. It was common for manufacturers to offer the same D-segment model in three different body styles: a 4-door sedan, a 5-door hatchback, and a 5-door station wagon. Such models included the Ford Mondeo, the Mazda 626/Mazda6, the Nissan Primera, the Opel Vectra/Insignia, and the Toyota Carina/Avensis. There were also models in this market segment available only as a 5-door hatchback or a 4-door sedan, and models available only as a 5-door hatchback or a 5-door station wagon. Often the hatchback and the sedan shared the same wheelbase and the same overall length, and the full rear overhang length of a conventional sedan trunk was retained on the five-door hatchback version of the car.
The 1989-2000 Citroën XM and second-generation Skoda Superb (2008-2015) are cars that blur the line between hatchbacks and sedans. They feature an innovative "Twindoor" trunk lid. It can be opened like in a sedan, using the hinges located below the rear glass; or together with the rear glass, like in a hatchback, using the hinges at the roof.
In the 2010s hatchback versions became available on luxury cars such as the BMW 5 Series Gran Turismo, Porsche Panamera, and Audi A7 while the Skoda Octavia was always available as a hatchback. Meanwhile, three-door hatchbacks have seen a fall in popularity, compared with 5-door models. This has led to many models no longer being offered in 3-door body styles, for example, the Audi A3 and Renault Clio.
In 1970, American Motors Corporation (AMC) released the first North American subcompact car since the 1953-1961 Nash Metropolitan, the AMC Gremlin. Although the Gremlin has the appearance of a hatchback, it is technically a Kammback coupe instead, since it is only the rear window that opens. The Gremlin was based on the AMC Hornet, but its abrupt hatchback rear end cut the car's overall length from 179 to 161 inches (4,500 to 4,100 mm). AMC added a hatchback version to its larger compact-sized Hornet line for the 1973 model year. The design and fold-down rear seat more than doubled cargo space and the Hornet was claimed to be the "first compact hatchback" manufactured by U.S. automaker. The 1975 Pacer featured a rear door or hatchback. A longer model with a wagon-type configuration was added in 1977 with its large rear "hatch" as one of the car's three doors, all having different sizes. The 1979 AMC Spirit was available in two designs, a "sedan" with a rear lift up window and a semi-fastback "liftback" version.
General Motors' first hatchback model was the Chevrolet Vega, introduced in September 1970. Over a million Vega hatchbacks were produced for the 1971–1977 model years accounting for about half of the Vega's total production. The Vega hatchback was also rebadged and sold as the 1973–1977 Pontiac Astre, 1978 Chevrolet Monza S, 1795–1980 Buick Skyhawk, 1975–1980 Oldsmobile Starfire and 1977–1980 Pontiac Sunbird.
In 1974, the larger Chevrolet Nova became available in a hatchback body style. The Nova hatchback was also rebadged as the Chevrolet Concours, Pontiac Ventura, Pontiac Phoenix, Oldsmobile Omega, Buick Apollo, and Buick Skylark. In 1980, General Motors released its first front-wheel drive hatchback models, the Chevrolet Citation and Pontiac Phoenix.
Both AMC and GM offered a dealer accessory that turned their compact hatchback models into low-cost recreational vehicles. An example is the Mini-Camper Kit for the AMC Hornet, a low-priced canvas tent that converted an open hatchback into a camping compartment with room for sleeping. The “Mini-Camper” was a weatherproof covering that fitted over the roof section from the B-pillar back to the rear bumper that was easy to set up.
Ford Motor Company's first hatchback was the Ford Pinto Runabout, introduced in 1971. The Pino-based 1974-1978 Ford Mustang II was offered as a hatchback. The body style was continued for the redesigned Fox platform-based 1979 third generation Mustang and the Mercury Capri derivative. For 1981, Ford offered hatchback versions of its sub-compact Escort and the badge engineered Mercury Lynx, which were now front-wheel drive. Two-seat hatchback derivatives were introduced for 1982, the Ford EXP and the Mercury LN-7.
Chrysler Corporation's first hatchbacks (and first front-wheel drive cars) were the 1978 Dodge Omni / Plymouth Horizon models, which were based on the French Simca-Talbot Horizon. These were followed by the 3-door hatchback Dodge Omni 024 / Plymouth Horizon TC3 which were later renamed Dodge Charger and Plymouth Turismo.
The first Japanese hatchbacks were the 1972 Honda Civic, Nissan Sunny, and Nissan Cherry. The Civic and Cherry had front-wheel drive powertrains, which later became the common configuration for a hatchback. Along with the Honda Civic, other Japanese hatchback models included the Nissan Pulsar, Toyota Corolla, and Suzuki Swift.
Almost all Japanese Kei cars ("city cars") use a hatchback body style, to maximize cargo capacity given the overall vehicle size is limited by Kei car regulations. Kei cars include the Mitsubishi Minica, Honda Life, Suzuki Fronte, Subaru Vivio, and Daihatsu Mira.
The first Soviet hatchback was the rear-wheel drive IZh 2125 Kombi, which entered production in 1973. This was followed only in the 1980s by the front-wheel drive Lada Samara in 1984, the Moskvitch 2141/Aleko in 1986, and ZAZ Tavria in 1987.
In 2014, four of the top five selling models in Brazil were hatchbacks. However in the 1980s and 1990s, hatchbacks were less popular than sedans, leading manufacturers to develop compact sedan models for the Brazilian market, for example, the Fiat Premio and sedan versions of the Opel Corsa and Ford Fiesta.
Hatchbacks are the highest selling car body style in India. The Maruti 800 sold over 2.5 million units since its launch in 1983. Since 2004, Maruti 800 has been overtaken by Maruti Alto as the car with highest annual sales. In 2015, Tata Motors launched a hatchback version of the Nano, the least expensive road car in the world.
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The estate body, also known as station wagons in some countries, has the roofline extended to the rear of the body to enlarge its internal capacity. Folding the rear seats down gives a large floor area for the carriage of luggage or goods. Stronger suspension springs are fitted at the rear to support the extra load. Hatchback: The hatchback is generally based on a saloon body but with the boot or trunk area blended into the centre section of the body. The hatchback is therefore halfway between a saloon and estate car. This type of body is very popular due to its versatility and style. Although some hatchbacks are in fact saloon bodies with the boot or trunk effectively removed (usually the smaller cars), many hatchbacks retain the full length of the saloon but the roofline extends down to the rear of the vehicle. As with the saloon bodies, a hatchback can have two or four passenger doors, however there is a tendency to refer to hatchbacks as three or five doors because the rear compartment lid (or tailgate) is also referred to as a door on the hatchback bodies. As with the estate, the rear seats fold down to give a flat floor for the transportation of luggage or other objects. When the tailgate is closed, the luggage compartment is usually covered with a parcel shelf.
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