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under the dual factors of the rapid development of new energy vehicle technology and the continuous breakthroughs of independent brands, a large number of powerful models have emerged in the domestic medium and large car segment. in addition to using cleaner energy types in the power system, these models often also have rich intelligent configurations and affordable prices, with significant cost-effective advantages. in previous issues of "daily practicality test report", we have tested a number of independent brand new energy medium and large vehicles. today, we have selected four representative models, namely dongfeng yipai eπ007, zhiji l6, changan qiyuan a07 true fragrance edition (hereinafter referred to as: changan qiyuan a07), and byd han dm-i. through detailed comparison, see which model performs more comprehensively in terms of practicality.

1. in-car comfort configuration test comparison

in terms of in-car comfort, the rear seats of all four cars are equipped with three independent headrests. among them, the middle headrests of dongfeng yipai eπ007 and zhiji l6 are positioned relatively low and do not support adjustment, and their functional performance is average. the middle headrest of changan qiyuan a07 and byd han dm-i not only supports height adjustment, but also has a similar area to the headrests on both sides, ensuring pillow comfort.

as for the front center armrest, although the center armrest of the four cars does not support adjustment, it can provide sufficient support for the driver's elbow during driving, and the practical performance is satisfactory. it is worth mentioning that the central armrest of the zhiji l6 is relatively rounded and fits the curve of the human elbow better.

in terms of the forward and backward movement distance of the main driver's seat, the performance of all four cars is remarkable. among them, the test values ​​of dongfeng yipai eπ007 and byd han dm-i are both 270mm, and the adjustable seat travel reaches the upper reaches of the same level. the adjustable travel of the seats of zhiji l6 and changan qiyuan a07 are both 260mm, and the test values ​​have also reached the mid-to-upper level in the same class. in terms of steering wheel adjustment, the front and rear adjustment distances of the four cars have not reached the average level of the same class. among them, byd han dm-i's up and down adjustment angle is in the leading position among the four cars, reaching the upper reaches of the same level. the test values ​​of zhiji l6 and changan qiyuan a07 also reach the upper and middle levels of the same level. in comparison, dongfeng yipai eπ007 is at the bottom of the four cars in terms of up and down adjustment angle and front and rear adjustment distance.

2. usb power interface configuration test comparison

in terms of the number of charging interfaces, byd han dm-i is equipped with a total of 6 usb charging interfaces, covering both type-a and type-c types, which can meet the charging needs of different mobile devices. dongfeng yipai eπ007 is equipped with a total of 4 usb charging interfaces, evenly distributed at the front and rear, and also provides two different types: type-a and type-c. in contrast, the zhiji l6 and changan qiyuan a07 provide three usb charging interfaces. the former are both type-c interfaces, with a relatively single type, while the latter are type-a and type-c, adaptable sex is better. in addition, all four cars are equipped with 12v power interfaces, and their practical performance is satisfactory.

3. comparison of storage space in the car

for the test of the space used in the car, it only focuses on the space within reach of the front row, excluding the glove box, central armrest box and other spaces that need to be opened. the test method is to place all the following fixed items in each storage space in the front row, and judge the performance of the vehicle's storage space based on the placement of the fixed items. the fixed items selected for the test are: 2 bottles of regular-sized mineral water, 1 large-screen mobile phone, 1 lipstick, 1 shoulder bag, 1 pair of sunglasses, 1 folding umbrella, and 1 pack of regular-sized tissue paper.

in terms of in-car storage space, byd han dm-i has the largest number of storage spaces (except cup holders) in the entire car, followed by dongfeng yipai eπ007 and changan qiyuan a07, while the zhiji l6 has a relatively large number of storage spaces. few. during the actual measurement process, byd han dm-i's interior space was well planned and equipped with an exclusive glasses case, so all fixed items could be found in suitable places. the remaining three cars are not equipped with glasses cases, but changan qiyuan a07 provides an independent storage space under the center console where sunglasses can be put down.

in the cup holder test, the four cars were equipped with two cup holders in the front and rear rows, and the overall performance was good. among them, all cup holders of zhiji l6 and byd han dm-i are equipped with stoppers, while dongfeng yipai eπ007 and changan qiyuan a07 are only equipped with stoppers on the front cup holders, and their performance is slightly inferior.

trunk space comparison

in terms of trunk size, dongfeng yipai eπ007, zhiji l6 and changan qiyuan a07 all adopt hatchback designs, which have obvious advantages in terms of trunk opening length and vertical height in the trunk, but the maximum width of the trunk opening is not. reach the average level of the same level. byd han dm-i adopts a conventional sedan shape. the maximum width of the trunk opening reaches 1220mm, which exceeds the average level of its class. however, other test values ​​​​are at the bottom of the four cars.

4. in-car visual field test comparison

during the safety test, we measured and compared the field of view most commonly used in daily vehicle use. during the test, all seats in the car were adjusted to their lowest state. there are some deviations between the measured data and the driver's normal use, and are for reference only.

in the forward vision blind spot test, we used a 70cm-high pile barrel as a reference object, and then adjusted the relative position of the vehicle until the upper edge of the pile barrel could be seen from the driver's seat. at this time, measure the distance between the front of the car and the pile barrel. the smaller the value, the smaller the blind area in the front view.

after testing, the front vision test results of zhiji l6 and changan qiyuan a07 were outstanding, both reaching the upper reaches of the same level. in comparison, byd han dm-i's test results were at the bottom among the four cars. in the rear vision test, dongfeng yipai eπ007 and changan qiyuan a07 reached the upper reaches of the same level, while zhiji l6 and byd han dm-i had relatively large rear vision blind spots.

in the exterior rearview mirror field of view test session, the exterior rearview mirrors on both sides of the four cars all used ordinary lenses. among them, the test results of dongfeng yipai eπ007 and zhiji l6 are relatively outstanding, both reaching the upper reaches of the same level. however, the test results of the exterior rearview mirrors on both sides of changan qiyuan a07 and byd han dm-i did not reach the average level of the same class, and the field of view was relatively small.

5. comparison of parking assist configurations

in terms of parking assist configuration, referring to previous test experience, the closer the continuous buzzing stage is to 0.25m, the closer it is to daily usage habits. in the front parking radar test, according to existing test data, the maximum detection distance of zhiji l6 and byd han dm-i both exceeded 1m, and the radar power performance was good. in terms of recent reminder distances, the three cars zhiji l6, changan qiyuan a07 and byd han dm-i have more or less gaps with their test experience values.

in the rear parking radar test, the maximum detection distance of zhiji l6 reached 1.5m, and the radar power performance was relatively good. in terms of recent reminder distance, there is a gap between the four cars and the test experience value. among them, the changan qiyuan a07 has a large gap with the test experience value.

in terms of image assistance systems, all four cars are equipped with a 360° panoramic image system, the overall image quality is clear, and the distortion control around the vehicle is also relatively reasonable. in addition, the imaging systems of the four cars all have reversing auxiliary lines, and support 3d screen display and transparent chassis functions, and their practicality is remarkable.

in daily use, vehicles often encounter turns or u-turns. at this time, the vehicle's steering flexibility becomes very important. understanding the road width required when your car makes a u-turn can help you avoid dangerous situations such as scratches. after actual measurement, the minimum road width for zhiji l6 to make an in-situ u-turn is only 9.3m, reaching the upper reaches of the same level. there is not much difference between the minimum road width for dongfeng yipai eπ007 and changan qiyuan a07 to make an in-situ u-turn, both reaching the average level of the same level. the measured data of byd han dm-i is 11.3m, which is at the lower level of the same level. the driver needs to leave margin in advance when making daily u-turns.

summarize:

the four independent brand new energy medium and large vehicles participating in the comparison in this issue are not only affordable, but their practical performance is also completely satisfactory. dongfeng yipai eπ007 has outstanding performance in terms of usb interface compatibility and field of view of the exterior mirrors on both sides, but the steering wheel adjustment range is relatively small; the minimum road width of zhiji l6 for making a u-turn is the smallest among the four cars, and the body flexibility is excellent , and also has good performance in terms of radar power; changan qiyuan a07 has outstanding front view test results, but the blind areas of the rearview mirrors on both sides are slightly larger; byd han dm-i has the largest number of usb interfaces among the four cars. storage space, but the traditional sedan design results in a slightly smaller trunk space. taken together, the four cars compete with each other in terms of practicality, but there are no obvious shortcomings. consumers can choose according to their own preferences.