distance between left and right side of a car directly influences on room in the cabin as well as stability during driving. The width of the Smart Forfour 1.0 63HP is larger by 14 mm than the Subaru Justy IV and is not really relevant. The medium for the „small cars” segment amounts to 1,645 mm and is by 2 percent larger than the width of the Smart Forfour.
Smart Forfour 1.0 63HP has 3 percent longer wheelbase than the Subaru. A longer wheelbase gives more stable and comfortable ride, especially when driving fast. It also gives more storage space. However, vehicles having a longer wheelbase are not as maneuverable as those with a shorter length between its axles.
The Smart Forfour is 4 % longer than the Subaru Justy IV. Long cars have more interior space and in most cases provide bigger trunk. While the Smart Forfour occurs to be better choice for families or those who appreciate comfortable driving that make them feel fresh and relaxed upon arriving, the Subaru Justy IV may be more appropriate to singles because it will not make troubles with parking and will be more maneuverable.