1969 Porsche 917 VS 1987 Buick Grand National and GNX

1969 Porsche 917

Porsche built 25 917s for homologation in 1969. It won Le Mans in 1970 and 1971, only losing when the rules changed. The 917 still holds the Le Mans f...

Porsche built 25 917s for homologation in 1969. It won Le Mans in 1970 and 1971, only losing when the rules changed. The 917 still holds the Le Mans fastest lap record.

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1987 Buick Grand National and GNX

With their 3.8-liter turbo V6s, the all-black Buicks ruled the street in the 1980s. They were also the first and only American muscle cars powered by...

With their 3.8-liter turbo V6s, the all-black Buicks ruled the street in the 1980s. They were also the first and only American muscle cars powered by something other than a big V8.

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