Rating Newest Oldest. Best Answer: New windows run in the range of $80 (really cheap self installed) up to about $200, look for a price around $125- $175 each installed. Vinyl siding is going to depend on the quality as well.Thinner is cheapest, thicker is more.ating Newest Oldest. Best Answer: New windows run in the range of $80 (really cheap self installed) up to about $200, look for a price around $125- $175 each installed. Vinyl siding is going to depend on the quality as well. Thinner is cheapest, thicker is more.