(Reuters) - Online used car seller Vroom Inc aims to raise up to $318.8 million (255.3 million pounds) in its initial public offering, which is expected to be priced in the range of $15 to $17 per share. The company is offering about 18.8 million shares in the IPO and is expecting a valuation of $1.92 billion at the top end of the range, the company's filing showed on Monday.The capital markets have begun to recover after the COVID-19 crisis brought IPOs to a virtual halt over the past two..