The line graph illustrates the amount of time taken to produce a vehicle by four different US-based car manufacturers – Nissan, Daimler Chrysler, General Motors, and Ford – between 1998 and 2002.
Overall, there was a general decline in production time for most manufacturers over the period, with Nissan consistently becoming the fastest producer, and Daimler Chrysler taking the longest time.
In detail, Ford initially led in terms of efficiency. However, after 2000, the amount of time it took to produce a car gradually increased until 2001. After 2001, Ford saw a slight decline, and by 2002, it ranked third with around 27 hours per vehicle. General Motors was third in 1998 with around 32 hours per car, but the production time steadily declined to 26 hours by 2002.
On the other hand, Nissan was the slowest manufacturer in 1998, taking 37 hours to produce a vehicle. However, it experienced a sharp decline in production time, dropping to 24 hours by 2000. After that, the time continued to decrease gradually, reaching 21 hours in 2002. Furthermore, Daimler Chrysler also saw a sharp decline in production time between 1998 and 1999, but then it remained stable until a slight decrease between 2001 and
2002.