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    / #1990 / #Renault-25-Baccara / #Renault-25 / #Renault / #1990-Renault-25-Baccara

    / #Audi-100-CD / #1984-Audi-100-CD / #Audi-100-CD-C3 / #Audi-100-C3 / #Audi-100 / #Audi / #1984 / #Audi-100-Type-44


    After the two oil crises of the 70s, more efficient cars are being sought. In addition, there are concerns about the environment. Better aerodynamics is one of the ways to make cars consume less and emit less. The Audi 100 (C3-generation) and the Renault 25 are considered to be the most streamlined limousine in the world. At the same time they spoil the motorist with luxury. We contrast them.

    For the first time the streamline of cars in the 1930s was central, in the 1980s there was renewed interest among car manufacturers. Everyone is convinced after the two oil crises of 1973 and 1979 that cars really need to be more economical. In addition, one Bernhard Ulrich is warning about 1981 because entire needle forests in Central Europe, according to him, die off due to acid rain.

    To this end, the emissions of cars are held jointly responsible. In the press, a large-scale alarm is triggered, so that the car manufacturers are forced to take measures. (Incidentally, Ulrich withdraws his alarm again in 1995 due to lack of evidence, but that is not widely reported ...)

    Following the United States, the choice is made for the three-way catalyst in combination with fuel injection. This, however, entails costs, namely for the catalyst itself, in which the expensive platinum is processed, and for the conversion to unleaded petrol. A catalyst does not tolerate lead. Naturally, this switch does not go from one day to the next.
    A faster and cheaper solution is to better streamline cars to reduce consumption and thus reduce emissions. You can see that in new models of that time. Rain gutters disappear, door handles no longer protrude outside the bodywork, windows are fitted flat on the bodywork to make them completely slippery and spoilers are no longer reserved for sports cars, but they improve aerodynamics into the top segment.

    Two of those smooth guys are the Audi 100 of the third generation (internal designation Type #44 ) and the Renault 25. Both are the most streamlined series production limousine of that year, namely 1982 for the Audi and 1984 for the Renault. . Audi reaches a Cd / Cx value of 0.30, Renault even a value of 0.28. Both brands also do a throw to the top with these top models from their range. They want to compete with brands like Mercedes-Benz W124 and BMW E34/E28.

    We therefore contrast the thickest versions to see how they tried to achieve that. For the Audi this is the CD equipment, for the Renault de Baccara. Meanwhile, we know that the Audi finally succeeded in penetrating the premium segment and Renault did not. Can we see that coming here?
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    Glen Waddington
    Glen Waddington created a new group Renault 25
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