Why Automakers Use Retractable Door Handles – Design, Aerodynamics & Safety
Bottom line: Retractable door handles are a styling and efficiency tool that helps electric and conventional cars cut drag, improve safety, and give a futuristic look.
Why Automakers Use Retractable Door Handles – Design, Aerodynamics & Safety
Image: Why Automakers Use Retractable Door Handles – Design, Aerodynamics & Safety – Performance Comparison and Specifications
Design & Looks
When you first see a sleek EV gliding by, the smooth side panels are hard to miss. The hidden handles erase the visual clutter of traditional metal knobs. Automakers love the clean line because it signals “high tech” without adding extra badges or chrome. I remember spotting a Tesla Model 3 on a rainy morning – the handles were flush with the body, giving the car a seamless silhouette that felt ahead of its time.
- Creates a minimalist aesthetic that matches modern interior design.
- Allows designers to play with side‑panel shapes without worrying about handle placement.
- Gives the vehicle a “future‑ready” vibe that attracts tech‑savvy buyers.
Performance & Mileage
Even though the handle itself is tiny, its impact on aerodynamics can be measurable. Prototypes show that a smooth side panel can lower the coefficient of drag (Cd) by up to 0.01 – which translates to a few extra miles per charge for EVs. For gasoline cars, the gain is smaller but still helps fuel economy.
Retractable mechanisms are usually electric motors or simple latch systems, adding negligible weight. The real win is the reduction of turbulent airflow around the door opening.
Price & Rivals
Adding a retractable handle does raise production cost slightly – you need a motor, wiring, and software control. However, the expense is spread across many models, so the price bump to the buyer is often invisible. Competing brands either adopt the tech to stay current or skip it to keep costs down. That’s why you see the feature on premium EVs and not on most budget sedans.
| Model | Engine | Mileage (EPA range) | Price (USD) | Top Features |
|---|---|---|---|---|
| Tesla Model 3 | Dual‑Motor EV | 358 mi | $41,990 | Retractable handles, Autopilot, Minimalist interior |
| Ford Mustang Mach‑E | Dual‑Motor EV | 305 mi | $44,095 | Retractable handles, SYNC 4, Panoramic roof |
| Hyundai Ioniq 5 | Dual‑Motor EV | 303 mi | $42,500 | Retractable handles, 800 V fast charge, Spacious cabin |
| Kia EV6 | Dual‑Motor EV | 310 mi | $48,750 | Retractable handles, V‑2L fast charge, Sporty design |
FAQ
- What are retractable door handles? They are door‑opening mechanisms that sit flush with the car’s body and pop out only when needed, usually triggered by a sensor or button.
- Do retractable handles improve fuel efficiency? Yes, by smoothing the car’s side profile they lower aerodynamic drag, which can add a few extra miles per gallon or per electric charge.
- Are they reliable in cold weather? Most systems are tested for temperatures down to -30 °C and include heated components to prevent freezing.
What do you think about hidden handles – cool trick or unnecessary gimmick? Share your thoughts in the comments!
Source: Read Official News
