The Marcos name is more familiar in Britain and with race fans. Sir Jackie Stewart gained his first racing experience in a 1959 Marcos racecar. Fast forward to 2005 at Adelaide, Australia where the new Marcos TSO GT ran a few pre-race laps in front of 250,000 spectators. The Marcos TSO GT is powered by a small-block GM 350 V-8 with either 350 or 400 horsepower to move 2400 pound car . Prices will start at £39,950 or about $75,000.