The business, which began trading six years ago in Maidstone, will open its fifth site, a 1.5 acre purpose built operation in West Bromwich, in October. The firm is recruiting about 30 staff for the launch.
It currently has outlets in Chingford as well as Southampton and Leicester, but under its two-year growth strategy Autolink is aiming for a dozen-strong network which will include one in south London.
The company stocks a wide range of makes and models and has a team of three buyers responsible for sourcing new cars - which account for up to 40 cent of the firm's business - from Europe.
Autolink, which has an estimated turnover of about £60m a year, also sells a range of three-year/60,000-mile used cars sourced from auctions, dealers and contract hire and leasing companies.
Brian Thompson, Autolink managing director, says heavy emphasis on competitive pricing and customer service is helping the company to grow.