
i8 features hybrid-powered dual scissor doors. In terms of exterior design, the BMW i8 retains the blue accents on its front closed double-kidney grille, maintains the original shape of its 'eyelid' headlights, completely preserves the LED light strips, and continues the production car's design for the front bumper, with the addition of air deflectors on both sides to enhance aerodynamic performance. Regarding the powertrain, the BMW i8 is equipped with a high-performance hybrid system that highlights the vehicle's exceptional power capabilities. The plug-in hybrid system used in the BMW i8 consists of two electric motors and a turbocharged gasoline engine, delivering a maximum output of 345 horsepower and a peak torque of 800 Newton-meters.

A couple of days ago, I accompanied a friend to look at used sports cars, and there happened to be a i8. The most eye-catching feature of this car is those two doors that resemble butterfly wings, officially called butterfly doors. When opened, they swing upward and forward, giving a particularly ceremonial feel. Although the body has a two-door design, the rear seats can still squeeze in two people. However, for daily use, you need to be careful—some multi-story parking garages have limited ceiling height, so you have to be extra cautious when opening the doors. This design is common among supercars, like McLaren, which also favors it, but in BMW's mass-produced cars, it's truly a unique touch of technological flair. Moreover, butterfly doors look cool and actually make getting into the rear seats more convenient, offering a more user-friendly design compared to regular two-door cars.

The i8 features butterfly doors, similar to scissor doors but with a wider opening angle. As a hybrid sports car, these upward-opening doors balance eye-catching aesthetics with the practicality of its 2+2 seating. I've personally witnessed owners needing an extra 30-40cm clearance when opening doors in tight parking spaces. The hinges mounted at the junction of the A-pillar and roof make the doors truly resemble unfolding wings when raised. While increasing mechanical complexity, this design enhances the car's streamlined profile, prevents curb scrapes when opening, and facilitates rear passenger access.

Every time I see the door-opening action of the i8, it feels incredibly cool. This car features a two-door design, but the doors are butterfly doors that open diagonally upwards. Unlike the vertical scissor doors of a Lamborghini, the i8's doors have a more pronounced tilt when extended, resembling the wings of a butterfly. It takes some getting used to in practical use, especially needing to watch out for overhead pipes in parking garages. This type of door reduces the lateral swinging sensation when opening and closing, making it particularly stable when parked on a slope.

The doors of the i8 are undoubtedly its most distinctive feature. As a hybrid sports car, it neither follows the traditional four-door sedan design nor the conventional two-door layout, but instead adopts the rarer butterfly doors. During my experience at an auto show, I noticed how the hinges rotate upward from the roof edges when opening, causing the entire door to unfold in a striking manner. This design proves particularly practical in rainy weather—once opened, the door fully shelters occupants from above, preventing them from getting wet while entering or exiting. Although one must still be mindful of headroom, this structure is more practical than gull-wing doors in terms of spatial requirements.

I remember seeing a i8 open its doors in a mall parking lot once, and it was absolutely stunning. The car features a unique butterfly door design, where the doors open upwards and forward, unlike the rear-hinged doors of a Rolls-Royce that take up more space, yet they offer a wider opening angle than conventional doors. In practical use, I found two advantages: first, opening the doors in tight spaces won't scratch neighboring cars; second, when women in skirts get in, the space created by the unfolding doors is particularly elegant. Although the maintenance cost is higher than that of conventional doors, the sense of ceremony every time you enter or exit the car, as if making a stage entrance, is truly worth the price.


