Gears are the important components to determine the power of the engine. All the gears of the vehicle have different impacts.
You should understand the specialty of each gear. As far as the specialty of each gear is concerned, the first gear is specialized for the provision of pulling power to your vehicle, and at the same time, the first gear ensures the least potential for speed.
On the other hand, you should know the specialty of fifth gear. Fifth gear is specialized for imparting higher speed but least pulling power.
Every gear has its specialty, and it can be used according to the given situation. You can maintain your vehicle's performance by adjusting the gears of your vehicle according to the given situation.