Joe Machin est coureur automobile, et il compte gagner le Grand Prix de Monaco. Dans la vie privée, il se conduit mal moralement, trompant sa femme avec la petite amie d'un autre coureur, Steve, et se servant de son frère pour les alibis. Mais cette fois Steve vient aussi à Monte-Carlo, pour écrire une biographie de Joe.
Casey Owens (James Darren), a young mechanic, has developed a design for a turbine car engine, paving the way for a jet-powered auto certain to set a new land speed record. Wealthy playboy Stanford Rogers (Peter Mann) hires Casey to build the car for him to race in the Tri-State Endurance Run. Chuck Manning (Doug McClure), an engineering student Casey met in a drag race, discovers potential flaws in the car's design. After an unsuccessful test run, Rogers abandons the turbine-powered car for a traditional racing model, but Casey and Chuck rework the turbine vehicle to compete with Rogers in the endurance run. Pamela Tiffin plays Eadie, Chuck's sister who becomes Casey's love interest.
In 2012, private corporations own and manage the prison systems. Getaway driver Carl "Luke" Lucas (Luke Goss) is arrested after a robbery for his crime boss Markus Kane (Sean Bean) goes wrong. As his accomplices are robbing the bank, two officers casually enter the building. Luke tells them to abort, but they refuse; Luke intervenes, but it results in the death of one of the three accomplices. Luke shoots and kills one of the officers and dumps off his accomplices in order to fulfill Markus's wishes. In doing so, Luke is eventually captured by the police following a high-speed chase and sentenced to serve time on Terminal Island.
Auto mechanic Terry Martin (James Stewart), the chief car tester for Emery Motors in Detroit, is working on his own time to perfect a revolutionary design for a new carburetor. Automotive engineer Frank Lawson (Weldon Heyburn) is a rival for the attention of Jane Mitchell (Wendy Barrie), who has just been hired to work in the publicity department. Terry has little formal education and resents inferences that his knowledge of cars is inferior to that of the trained Lawson. He nearly loses his job when he makes a jealous spectacle of himself at a company dinner dance that Jane attends with Frank.
A freestyle racing driver must choose between his love for racing, and his wife. His friends's accident will help him to choose, and his loyal ways will get him a new friend - his main rival...
Stock car racer Jo Jo Quillico goes to Europe after an accident. He is hired by a race car tycoon to be runner up for a more experienced racer on the European circuit, working with his mechanic Charlie. However in his first race, Jo Jo can't help winning.
Corky Curtiss is a Texas race-car mechanic obsessed with the sport. He is permitted to drive in local races on weekends, but boss Randy Dover replaces him with another driver because of his costly reckless ways.
Wendell Scott, a taxi cab driver in post-World War II, learns his craft for car racing by transporting illegal moonshine in the backwoods of Virginia. By the mid-1960s, he was a veteran driver who had won his battles with the white racetrack owners and police officers.
Mark and Lynn (Darby Hinton and Diana Peterson) get caught up in a story of hatred and revenge after trying to collect on a bet with a Hi-Rider. The Hi-Riders are challenged to a drag race by one of the local hot heads and in a spectacular explosion both drivers are killed. The local boy's father vows revenge. A fantastic stunt filled chase ensures between the Hi-Riders and the local henchman. Whipped into a blazing frenzy of violence the Hi-Riders are humping hot steel hogs on a raging rampage through the town.
In the village of Flåklypa, Lom, Gudbrandsdalen (En. Pinchcliffe), the inventor Reodor Felgen (En. Theodore Rimspoke) lives with his animal friends Ludvig (En. Lambert) (a nervous, pessimistic and melancholic hedgehog) and Solan (En. Sonny Duckworth) (a cheerful and optimistic magpie). Reodor works as a bicycle repairman, though he spends most of his time inventing weird Rube Goldberg-like contraptions. One day, the trio discover that one of Reodor's former assistants, Rudolf Blodstrupmoen (En. Rudolph Gore-Slimey), has stolen his design for a race car engine and has become a world champion Formula One driver. Solan secures funding from Arab oil sheik Ben Redic Fy Fazan (En. Abdul Ben Bonanza), who happens to be vacationing in Flåklypa, and to enter the race, the trio builds a gigantic racing car: Il Tempo Gigante—a fabulous construction with two extremely big engines (weighing 2.8 tons alone and making the seismometer in Bergen show 7.8 Richter when started the first time), a body made out of copper, a spinning radar (that turns out to be useful when Blodstrupmoen starts engaging in smoke warfare during the race) and its own blood bank. Reodor ends up winning despite Blodstrupmoen's attempts at sabotage.