If you are an architect and designing parking garages you may ask how big are the biggest cars. Biggest mass-produced cars are today in 5.1-5.3 meters range, such as Audi A8, BMW 7-Series, Jaguar XJ, Lexus LS, Mercedes S-Class. However, there are few even bigger cars produced in low numbers, some over 6 meters long, they are listed in this article.
See also: smallest cars
Bugatti Royale hold several automobile superlatives, longest wheelbase in history, longest length for a car with just 2 rows of seats, and biggest engine in history: 12.8 litres straight-8 engine. Ettore Bugatti planned to build 25 cars, but due to 1930 Great Depression, Bugatti was able to sell only three of the six made.
Production: 1927-1933, only 6 units built.
Dimensions: length ~6400 mm, wheelbase ~4300 mm.
Since 1960s to 1973 oil crisis, American full-size cars were in average 5.6-5.7 meters, but one car was much longer than others: Cadillac Series 70-75, being longest car in history with only 2 rows of seats.
Production: Model Year 1936-1984.
Dimensions: length 6404 mm (1974-1976 models), width 2027 mm, height 1443 mm.
Checker Motors Corporation made the iconic American taxicabs, but also one of the weirdest cars in the world, Checker Aerobus, a 6-door and 8-door sedan and wagon.
Production: Model Year 1962-1977.
Dimensions: length 6852 mm (8-door variant), width 1930 mm, height 1581 mm, wheelbase 4801 mm.
Maybach did had a predecessor, Mercedes 600 was during 1960s and 1970s longest car produced in Europe, the 7-seat Pullman version was even longer than Maybach 62 from 2002-2012.
Production: 1963-1981, 2677 units built (short and long wheelbase).
Dimensions: length 6240 mm (long-wheelbase Pullman), width 1950 mm, height 1510 mm, wheelbase 3900 mm.
7-seat Pullman were also produced on W140 and W220 models, based on special orders for governments. Since the car is not available to purchase for public, exact dimensions are not known.
U.S.S.R. also produced one of the longest cars in the world, a limousine for communist government elite, ZIL 4014 with its 7-seat variant ZIL 41047.
Production: 1985-2002 and 2010, 234 units built.
Dimensions: length 6339 mm, width 2086 mm, height 1500 mm, wheelbase 3880 mm.
Another Russian car over 6 meters length is GAZ Chaika, for lower-ranked government members.
Mercedes returned in 2002 with a car that had to compete with Rolls-Royce: Maybach 57 and 62, an oversized car considering that it did not had 3 rows of seats like other limousines such as Mercedes 600 Pullman.
Production: 2002-2012, 3000+ build including 57 and 62.
Dimensions: length 6160 mm (Maybach 62), width 1981 mm, height 1575 mm, wheelbase 3828 mm.
Rolls-Royce Phantom (VII) launched in 2003 is the biggest British car.
Production: 2003-2017, 10,327 units produced.
Dimensions: length 6091 mm, width 1980 mm, height 1641 mm, wheelbase 3820 mm.
Phantom V (1959-1968, 832 built) and Phantom VI (1968-1990, 374 built) are also around 6 meters long, exact dimensions vary, being handmade each car is slightly different. Phantom VIII launched in 2017 is slightly under 6 meters length.