This allows the Cvt to provide quicker acceleration than a conventional automatic or manual transmission while delivering superior fuel economy Disadvantages of the cv The Cvt's biggest problem has been user acceptance Because the Cvt allows the engine to rev at any speed, the noises coming from under the hood sound odd to ears accustomed to conventional manual and automatic transmissions. The gradual changes in engine noice sound like a sliding transmission or a slipping clutch-- signs of trouble with a conventional transmission, but perfectly normal for a CVT Flooring an automatic car brings a lurch and a sudden burst of power, whereas CvTs provide a smooth, rapid increase to maximum power. To some drivers this makes the car feel slower, while in fact a Cvt will generally out-accelerate an automaticThis allows the CVT to provide quicker acceleration than a conventional automatic or manual transmission while delivering superior fuel economy. Disadvantages of the CVT The CVT's biggest problem has been user acceptance. Because the CVT allows the engine to rev at any speed, the noises coming from under the hood sound odd to ears accustomed to conventional manual and automatic transmissions. The gradual changes in engine noice sound like a sliding transmission or a slipping clutch -- signs of trouble with a conventional transmission, but perfectly normal for a CVT. Flooring an automatic car brings a lurch and a sudden burst of power, whereas CVTs provide a smooth, rapid increase to maximum power. To some drivers this makes the car feel slower, while in fact a CVT will generally out-accelerate an automatic