Complex sentence: General Motors claims the ZL-1 is the fastest production car under 75,000 dollars to grace the Nurburgring, achieving a lap time of 7 minutes and 41 seconds.
Split into simpler sentences: General Motors claims the ZL-1 is the fastest production car under 75,000 dollars to grace the Nurburgring. It achieved a lap time of 7 minutes and 41 seconds.