The horsepower is a parameter that most of car fans take into consideration at first when buying a car. In this case it is the Lexus GS I which has by 65 % more horsepower than the Peugeot 605. Consequently the Lexus GS I 3.0 R6 276HP is able to achieve higher top speed. With more horsepower the Lexus GS I will as well provide noticeably more flexiblility in specific speeds.
The Lexus GS I 3.0 R6 276HP is 5 % longer when compared to the Peugeot 605. The length of the vehicle is significant in respect of driving comfort and space in the boot. The Lexus GS I preasumbly will be offering to it's passangers more space for legs. Aditionally the Lexus GS I will be better driven ,however, the Peugeot 605 3.0 167HP manual will be a slightly easier for parking due to shorter length of the body.
Number of doors
A 5-door car generally is a hatchback and for that reason the Lexus GS I, where you can open up the boot lid and fold flat the back seats giving more space for cargo, has an advantage over the four-door Peugeot 605 3.0 167HP manual which in turn has smaller lid and a partition behind the rear seats.
Model release date
Because of the fact that the Peugeot 605 was introduced only 2 years prior to the Lexus, the distance in technology applied in both vehicles is not really big, however, the Lexus GS I might have a bit more modern solutions used in it.
The higher a car is, the the more convenient is a boarding it and greater capacity of carrying massive amount of stuff to it. The difference between these two cars that amounts to 8 % to the advantage of the Lexus GS I 3.0 R6 276HP is not big and should not be really noticeable.