Avoiding driving at high speeds is not only safer but also more fuel-efficient. High-speed driving can be dangerous and increases the risk of accidents. It can also cause more wear and tear on your car's engine and other components, leading to higher maintenance costs.

Driving at high speeds also significantly reduces your car's fuel efficiency. As your speed increases, so does the amount of aerodynamic drag that your car experiences. This means that your car has to work harder to maintain its speed, which results in higher fuel consumption. In fact, driving at speeds above 60 mph can reduce your car's fuel efficiency by up to 25%.

To save fuel and reduce wear and tear on your car's engine, try to maintain a steady speed and avoid sudden accelerations and decelerations. Use cruise control whenever possible to help maintain a consistent speed, especially on long trips. Also, plan your trips in advance to avoid rush hour traffic and other congested areas where you may be tempted to drive at high speeds.