At what speed should you accelerate before shifting into number 3 gear?

Accelerating to 20 mph before shifting into number 3 gear is advisable because it aligns with the optimal range for many vehicles to ensure smooth gear transition and efficient engine performance. Shifting at this speed allows the engine to operate within its powerband, where it performs best, facilitating better acceleration and seamless power delivery.

Some vehicles may have different specifications, but generally, shifting into higher gears too early or too late can strain the engine or lead to a less responsive driving experience. Therefore, reaching around 20 mph is practical as it provides enough torque and engine power, making for a better driving experience while maintaining safety and vehicle longevity.