The horsepower of the Mitsubishi is by 15 percent bigger in relation to the Nissan Serena II 1.6 i 97HP. While the difference is not big this should not affect the car performance to a large extent.
If you are looking for a car by which you could set of for travels, which could load more things in the boot , decide to buy the Mitsubishi Space Star (1998). The Nissan Serena II has by 20 liters smaller boot compared with the Nissan Serena II 1.6 i 97HP so you would be able to take with you a bit less. Assessing the luggage compartment also check its width length and height which have substantial effect on loading possibility .
Trunk capacity with seats down
The width of the car influences directly on passanger's inner room and stability of driving. The Mitsubishi Space Star (1998) is 5 millimeters wider than the Nissan Serena II. It is clearly felt by driver and passenger in front, who have more room for their elbows.
Number of doors
A five-door car usually is a hatchback (however estate cars also count as 5-door cars) and as a result the Mitsubishi Space Star (1998), which whole rear including the window lifts up and the rear seats folds flat making more room, has an advantage over the 4-door Nissan Serena II which in turn has a smaller trunk cut off from the passenger compartment.