The penetration rate of new energy vehicles is half and half of that of fuel vehicles, but when talking about high-quality hatchback small steel cannons at the 150,000 yuan level, the first thing we think of seems to be VolkswagenGolf, at most bringHonda CivicHATCHBACK? At this year's Beijing Auto Show,BYDIt has previously brought a similarly positioned Ocean-M concept car. The actual car based on this concept car has been exposed recently. Judging from the rhythm, the rumored launch in the third quarter of this year is very likely.

Seal chassis transferred to A-class car? Suspension at least better than Golf

The specific name of this new car has not yet been finalized. According to the previous declaration information, includingSeal 06 GT, SEALMINI, Seal 05EV, and Seal X, etc. At present, the new car may eventually be named Seal 06 GT (this will be used as the expression in the article). Combined with its pure electric identity, the new car is closely related to BYD Seal.

Of course, from the perspective of body size, the BYD Haibao 06 GT, which is less than 4.7 meters long, is definitely an A-class hatchback. There is a clear positioning gap between it and the standard B-class sedan BYD Haibao. But in addition to size positioning, there are many technologies that can be integrated from its own B-class car, such as the chassis.

Although BYD Haibao 06 GT has not yet disclosed its chassis structure, its rear-mounted, rear-wheel-drive identity can be fully confirmed from the declared information. In addition, the minimum power performance of the rear axle motor of the new car is 160kW, which even exceeds the 150kW motor power of BYD Haibao's entry-level motor.

If you want to fit a motor of this power level on the rear axle, without making special adjustments to the suspension structure, theoretically there are three-link, five-link, and H-arm multi-link options. However, the BYD Haibao uses a standard five-link structure. In addition, the new car is built on the e3.0 Evo platform, and the H-arm multi-link is not on the platform technology tree.

Even through the application pictures and spy photos, we can vaguely see the relatively sturdy lower arm structure of the four-link or five-link structure from the rear of the car. Combined with what was mentioned above, the four-link suspension is not suitable for the rear high-horsepower motor structure. Therefore, BYD Haibao 06 GT is very likely to use the rear standard five-link suspension structure.

Consistent with BYD Haibao's rear suspension structure, will the new car's front suspension also use a double wishbone structure? I can only say that there is no problem with the hardware, but in terms of practical application, the cost issue must be considered. The so-called hardware problem is that the body width of the Haibao 06 GT is 1880mm, which is basically on the same level as the Haibao, which is a mid-sized car. At the same time, although the new car has a four-wheel drive structure, the maximum power of the front motor is 110kW, which is obviously smaller than the front motor of the Haibao. So in theory, there is no technical problem with the new car using a double wishbone front suspension.

However, from a cost perspective, no car company will use double wishbone suspension on a compact car, even if it is positioned purely for handling and performance. After all, the technical surplus brought by the suspension structure is not proportional to the cost pressure. Therefore, the chassis structure of BYD Haibao 06 GT is preferred, which is a front McPherson and rear five-link.

Even so, the chassis structure of BYD Haibao 06 GT is better than that of classic fuel vehicles of the same type such as Volkswagen Golf. Affected by the MQB platform, the rear suspension of Volkswagen Golf can only adopt a four-link structure. At the same time, the single stamped lower arm of the front suspension and the non-full-frame subframe limit the chassis rigidity of this classic model. It was not until electrification that Volkswagen greatly optimized the chassis limitations of MQB on the MEB platform. For exampleVolkswagen ID.3It uses a rear five-link suspension and a full-frame subframe.

The space advantage is obvious, and the fastest acceleration from 0 to 100 km/h is 4.6 seconds?

However, the existing Volkswagen ID.3 and even MG4 EV models on the market cannot be regarded as completely comparable to BYD Haibao 06 GT, because the size difference between them is too obvious, and as pure electric vehicles, the battery life performance is also quite different.

For example, the body length of Volkswagen ID.3 and MG4 EV is less than 4.3 meters. With the advantages of the pure electric platform, the wheelbase of both models is more than 2.7 meters. But judging from the body outline of length, width and height alone, they are also relatively small from the perspective of traditional A-class cars. The BYD Haibao 06 GT, with a wheelbase of more than 2.8 meters and a body width of nearly 1.9 meters, further releases the advantages of the pure electric platform in vehicle size. In addition to the potential to create a larger passenger space, the performance of the wheelbase and body width will also help the dynamic stability of the vehicle.

A larger body can also accommodate more battery capacity. According to the information that has been exposed, the maximum battery capacity of BYD Haibao 06 GT is about 73kWh, and the minimum is about 60kWh. Even the lowest capacity is considered large compared to the previously mentioned products with similar positioning. Therefore, when equipped with a high-horsepower motor, the pure electric range of Haibao 06 GT can reach up to 605km (CLTC conditions). Under the same working conditions, the range of the main models of Volkswagen ID.3 and MG4 EV basically hovers within 500km.

Further deducing the performance of BYD Haima 06 GT, even on the basis of the long-range model (curb weight 1940kg, matching motor power 165kW), its power-to-weight relationship is about 11.8kg for every 1kW. The weight relationship of BYD Haima low-end model is about 12.6kg for every 1kW. Excluding factors such as body design and transmission efficiency, the performance gap between the two is about 6%. The zero-to-hundred acceleration performance of BYD Haima with the lowest configuration is 7.5 seconds. Based on this, the zero-to-hundred acceleration performance of BYD Haima 06 GT long-range version is about 7.1 seconds.

Interestingly, the power-to-weight ratio of the BYD Haimao Long-Endurance Standard Performance Edition is about 11.9kg for every 1kW. This is very close to the BYD Haimao 06 GT Long-Endurance Edition mentioned above. Its official 0-100 acceleration time is 7.2 seconds. This objectively verifies the BYD Haimao 06 GT Long-Endurance Edition, which has an acceleration time of just over 7 seconds.

As for the top-of-the-line high-performance four-wheel drive version, the gap between the new car and the BYD Seal is quite obvious. The total power of the Seal's dual motors is up to 390kW, while the Seal 06 GT is only 310kW. Based on the power-to-weight relationship, the BYD Seal four-wheel drive version has a corresponding load of about 5.5kg for every 1kW, while the Seal 06 GT has a corresponding load of about 6.65kg. In other words, the acceleration ability of the Seal 06 GT is about 20% weaker. It is estimated that the zero-to-hundred acceleration performance of the top-of-the-line four-wheel drive version of the new car is about 4.6 seconds.

In general, the Sea Seal 06 GT is more like a seal in terms of chassis and performance. Of course, as an A-class car, its extreme performance is definitely not able to completely transplant the seal of a B-class car. However, as a car positioned indolphinAs a new car between the Haibao and BYD Haibao 06 GT, its product strength also determines that its price may be relatively closer to the Haibao. Therefore, the price of around 150,000 yuan may be the main battlefield of this high-quality hatchback.