Porsche 928 Sales Brochure The 928 was produced between 1978-1995 and was powered by front-engine V8. The original 928 had 240 hp, ran 0-60 mph in 7.5 secs with a top speed of 142 mph. The ‘final’ 928GTS had a 5.4 liter V8, produced 350 hp, ran 0-62 mph in...