Why Digital Speedometers in Cars and Motorcycles Have Failed to Gain Traction

When driving, safety and accuracy are paramount. One aspect that many drivers find intuitive with traditional analog speedometers is how they provide an instant visual and tactile experience of the vehicle's speed. Despite advancements in technology, digital speedometers have never quite caught on in cars, trucks, or motorcycles. Why is this the case?

Predominance of Digital Speedometers

Of my 5 cars, 4 have digital speedometers, and all of them are highly effective. Similarly, the 2 motorbikes and 2 e-bikes I own also utilize digital speedometers. In these vehicles, the digital displays are seamlessly integrated, enhancing the overall driving experience.

However, many modern cars and trucks still come with analog speedometers, often alongside digital displays. This mixed setup allows drivers to choose their preferred display. The digital displays may offer additional information, but the traditional analog gauge provides a timeless, intuitive experience.

Intuitive Gauge Reading

One key factor in the enduring popularity of analog speedometers lies in their intuitive nature. For instance, in my 2018 Nissan Leaf, the digital LCD screen always shows an analog speed dial, which I hardly use. The position of the needle on the dial helps me gauge the speed almost instinctively, without needing to mentally process digits.

Engagement in Flying

Recalling my experience from pilot training, the analog gauges in cockpits are invaluable. A needle pointing to a certain position conveys vital information quickly and unequivocally. In contrast, digital displays require cognitive processing to interpret the speed.

Visual Clarity and Decision-Making

Reading a needle on an analog speedometer is often easier than interpreting a numerical value. For example, in my current car, where the speedometer includes both an analog needle and a digital readout, I frequently use the analog display to gauge the speed intuitively. This is particularly useful during acceleration and when fine-tuning cruise control.

Having both analog and digital displays in my motorcycle allows for a versatile driving experience. While I prefer the analog display, the digital speedometer can be very useful for specific situations. The combination offers the best of both worlds, catering to different needs and preferences.

Comparing Analogue and Digital Displays

The analog display is inherently better for reading speed differences. Circular layouts, even if digital, mimic the familiar feel of a traditional analog gauge. This design allows for a more seamless and natural reading of speed without the need for extensive cognitive processing.

Readability and Perceptual Ease

Digital displays, while offering numerous benefits such as additional information, can be less readable. For instance, determining if you are slightly over or under the speed limit requires continuous visual scrutiny of digits. An analog needle, on the other hand, provides a glance-based assessment, allowing for quick and accurate decision-making.

Conclusion

While digital speedometers have brought numerous benefits, the allure of analog speedometers continues due to their intuitive design and ease of use. The visual clarity and perceptual ease of analog gauges make them a preferred choice for many drivers. Whether you're commuting or performing a flight, the experience of a traditional analog speedometer remains irreplaceable.