The Sound of Progress?
Electric vehicles (EVs) were introduced as the quiet, clean future of driving. Yet, Hyundai is now making its high-performance EVs sound decidedly old-school. The company’s N sub-brand, starting with the Ioniq 5 N, features sophisticated systems that
replicate the sounds and sensations of an internal combustion engine (ICE). This includes N Active Sound+ and N e-Shift. N Active Sound+ uses a 10-speaker system to pipe engineered audio into the cabin and outside the car. It offers several sound profiles, including one that mimics a traditional engine, another that sounds like a futuristic race car, and even one inspired by jet fighters. The N e-Shift system simulates the jolt and rhythm of an eight-speed dual-clutch transmission, controlling motor torque to create the feeling of gear changes, even though EVs don't have traditional gearboxes. The effect is so convincing that drivers can even experience a simulated 'rev limiter'. What started as a feature for high-performance 'N' models is now planned for wider use across Hyundai's EV lineup.
More Than Just Noise
This move isn't just a gimmick; it's a strategic decision rooted in driver psychology and experience. For over a century, the sounds of an engine have provided crucial feedback. Drivers intuitively link the rising pitch and volume of an engine to speed and power. The auditory cues of shifting gears and the rumble of the engine are part of the visceral connection many people have with driving. By recreating these sensations, Hyundai aims to make the transition to EVs less alienating for enthusiasts and everyday drivers alike. Manfred Harrer, the head of Hyundai's R&D division, has stated the goal is to enhance driver enjoyment and make the experience more realistic. The company plans to take it even further, with reports of developing exhaust backfire sounds and even physical vibrations that sync with the artificial engine noise. The logic is that if the primary drawbacks of EVs are their weight and charging times, fixing the 'soulless' sound is a relatively easy win.
The Silent Threat and Safety Mandates
There's another, more practical reason for adding sound to EVs: pedestrian safety. At low speeds, EVs are so quiet that they can pose a risk to pedestrians, cyclists, and particularly the visually impaired, who rely on hearing to detect approaching traffic. This led to regulations in the U.S. and Europe requiring all new EVs and hybrids to emit an Acoustic Vehicle Alerting System (AVAS) sound at speeds below 30 km/h (about 19 mph). Above this speed, tire and wind noise are considered sufficient to alert people. These safety systems created the hardware infrastructure—speakers and audio generators—that carmakers like Hyundai are now using for more ambitious sound design. While the law only requires a basic warning sound, companies see it as an opportunity for branding, turning a compliance feature into a key part of the car's character.
A Bridge to an Electric Future
Hyundai’s strategy is part of a larger industry trend. Dodge has developed a loud 'Fratzonic' exhaust for its electric Charger, while Porsche and BMW have also invested in creating unique soundscapes for their EVs. The debate continues between purists who believe EVs should embrace their silent nature and those who argue that sound is an indispensable part of the driving experience. A recent survey showed that consumers tend to prefer non-tonal sounds that are reminiscent of passing gasoline cars over more sci-fi-like hums. By making EVs more familiar, Hyundai and others hope to lower the barrier to entry for buyers who might otherwise be hesitant. The features are optional and can be turned off, giving drivers the choice between a quiet, serene ride or an engaging, noisy one. This approach isn't about rejecting the future; it's about building a sensory bridge from the familiar past, using sound to make the electric transition smoother and more appealing to a wider audience.
