Compare the Vauxhall-Opel Zafira Tourer CDTi BiTurbo - [2013] vs Ford Thunderbird 2.3 Turbo 9th Gen - [1987]. Find out which car is the fastest, most powerful, lightest or has the biggest engine in our top trumps style comparison page. Find out which car has the highest top speed or is the fastest accelerating, is it the Vauxhall-Opel Zafira Tourer CDTi BiTurbo or the Ford Thunderbird 2.3 Turbo 9th Gen. We'll leave it up to you to decide which is your favourite.