The average savings and loan institution this year was sold for about 1.5 times its book value.
The chain says the average saving is 12 to 17 percent from standard rates.
For a filer earning $60,000 to $70,000 a year, the average savings would $230.
The competition between the dealers results in an average 24% savings for customers.
The average savings for taxpayers is $29 a year.
In the city, the average savings for a homeowner will be $390 a year.
The average savings were about $17, or 24 percent off retail price, he said.
But, the average real savings to be made, in not owning a car, is very difficult to calculate.
As a result, the average potential savings per audit was $480,000 in 1989 and $1.7 million in 1993, she said.
The average saving per household would be $103, according to the Mayor's projection.