Rial Racing was founded by German industrialist Günter Schmid, who had prior Formula One experience through his ownership of ATS Racing. For 1988 he recruited former Ferrari engineer Gustav Brunner to design a competitive naturally aspirated machine around the Cosworth DFZ V8, which had become the default customer engine for independent teams following the end of the turbocharged era.
The resulting car, designated the ARC1, bore a strong visual resemblance to Brunner's earlier Ferrari F1/87 — to the point where it earned the nickname "the Blue Ferrari" in paddock circles. The similarity was not complete: the ARC1 featured a different engine cover to accommodate the DFZ's dimensions and a smaller fuel tank, while its sidepods sat lower than the Ferrari's because there were no turbochargers to house. Brunner also gave the car a distinctive front suspension layout in which the dampers were oriented longitudinally at floor level, an unusual solution for the period. Rial developed its own gearbox rather than sourcing one from a third party. Three chassis were constructed across the season.
Rial ran a single-car entry throughout 1988, with Italian driver Andrea de Cesaris at the wheel. De Cesaris brought with him a personal Marlboro sponsorship that provided essential funding for the small team. He proved consistently capable of placing the ARC1 in the midfield: he qualified for every race of the season, with a best grid position of 12th, achieved on five separate occasions.
Reliability was the car's persistent weakness. De Cesaris was classified in only five races from the full sixteen-round calendar, and even two of those finishes came after he had already stopped running — the result of the ARC1's notably small fuel tank, the smallest of any atmospheric car in the 1988 field. The fuel capacity issue cost the team at least two additional points during the year; the most painful instance came at the season finale in Adelaide, where de Cesaris was running fifth when the car ran dry.
The high point of the season arrived on the street circuit in Detroit at the United States Grand Prix. As attrition thinned the leading pack — the rough surface and intense heat taking their toll — de Cesaris drove a careful, incident-free race and moved quietly into fourth place by the finish. Those three points were the only championship points Rial ever scored, and they came in the final Formula One race ever held on the Detroit street circuit.
Period testing by the German magazine Autozeitung provided a performance profile of the ARC1. A separate comparison by Sport auto placed the Rial against the dominant McLaren MP4/4, which used a turbocharged 1.5-litre Honda V6. The ARC1 and its 3.5-litre Cosworth DFZ required 1.2 seconds more to reach 200 km/h than the McLaren. Interestingly, the Rial was quicker in the initial sprint to 100 km/h — the McLaren's turbo was timed at 2.8 seconds for that benchmark — but from that speed onward the superior power and torque of the Honda V6 allowed the MP4/4 to pull clear rapidly.
The Rial ARC1 represented the single competitive season of a small, ambitious team that assembled a technically credible car on limited resources. Brunner's design was clean and well-engineered, and de Cesaris demonstrated that it could qualify reliably in midfield company. The fuel-tank limitation, however, meant the car's race pace rarely translated into results. After 1988, Rial attempted to continue in Formula One but the program faded quickly, and the ARC1 remained the team's only significant achievement. The Detroit fourth place stands as a footnote in the history of the street circuit itself, as it proved to be the last points-scoring finish in the final F1 race ever held in that city.