Large families need to consider several factors when buying a car. They focus on power, safety, and comfort for all members. This includes checking seat features, third-row comfort, and flexible space. At the 2025 Shanghai Auto Show, the mid-large 6-seat SUV Deep Blue S09 launched with five configurations. The pre-sale price ranges from 239,900 to 309,900 yuan (42520$). This drew significant consumer interest. To provide a comprehensive comparison, we will compare the Deep Blue S09 with the Wanjie M8, which also has a 6-seat layout. We will see which one better suits large families.
Comfort comparison: The Deep Blue S09 offers ample space in all three rows. The Aito M8 lacks some small details.
First, let’s look at the body dimensions of the two cars. The Deep Blue S09 measures 5205mm in length, 1996mm in width, and 1800mm in height, with a wheelbase of 3105mm. The Wenjie M8 measures 5190mm in length, 1999mm in width, and 1795mm in height, also with a wheelbase of 3105mm. Both cars have the same wheelbase. The Deep Blue S09 is slightly longer and taller, while the Wenjie M8 has a small advantage in height. Overall, the body dimensions are quite similar.
The Deep Blue S09 features dual zero-gravity seats in the second row. These seats support a one-button reclining mode. Passengers can sleep or watch movies comfortably during long drives. The zero-gravity seats offer 16-way electric adjustment, ventilation, heating, massage, and memory functions. Each family member can adjust their seating position to their liking. The Wuling M8 has only one zero-gravity seat on the right side of the second row. This seat supports electric adjustment, heating, ventilation, and massage. However, its features are not as comprehensive as those of the Deep Blue S09.
For families with two children, the third-row seat usage is high. The Deep Blue S09 offers 870mm of third-row space. Adults can sit comfortably without feeling cramped. The seat height is 360mm, preventing head bumps and leg fatigue. It features 125° electric adjustment and three levels of seat heating. The seat angle is well-designed for long trips, minimizing fatigue. The AITO M8 provides 840mm of third-row space, 30mm less than the Deep Blue S09. It suits short-distance emergency rides better.
Both cars feature built-in refrigerators. The Deep Blue S09’s refrigerator holds 10 liters. It supports temperature adjustments from -6° to 50°. You can enjoy ice cream, chilled drinks, or hot milk. The AITO M8’s refrigerator has a capacity of 7.3 liters. It allows temperature settings from 0° to 50°. Its capacity is smaller than the Deep Blue S09’s. Its temperature range is also narrower. In summer, you might not be able to store ice cream.
Space flexibility comparison: The Deep Blue S09 offers versatile seating. The Wenjie M8 has good cargo space.
The Deep Blue S09 has a regular trunk capacity of 427L. It can hold seven suitcases for six passengers, with extra space remaining. Folding down the third row seats expands the trunk capacity to 1392L. You can fit camping gear like a canopy, tent, or barbecue grill. The storage space is quite impressive.
The regular trunk volume of the Wenjie M8 is 392L. It meets daily family needs. Folding down the third-row seats expands the space to 1323L. Although it is not as large as the Deep Blue S09, its loading capacity is commendable.
The Deep Blue S09 offers diverse space options. It can create three rooms and five beds. The second-row small table folds down into a desk. Combine it with the rear entertainment screen and zero-gravity seats, and you have an office. The rear features a 21.4-inch 3K entertainment screen. Add a mobile island, a dual-use refrigerator, and two-way zero-gravity seats, and you get a moving living room. The third-row seats can all be adjusted. With a 3.7-meter long space and a 4.3-square-meter flat floor, it transforms into a spacious bedroom. You can even lie back and watch the stars.
Move the front seats of the Deep Blue S09 to the front. Fold down the second and third-row seats. You get a 2.5-meter camping bed. No need to set up a tent anymore. Connect the second-row seat to the third-row seat. You get a 1.9-meter nap bed. Enjoy family time on weekends. Fully recline the passenger seat and connect it to the second-row seat. You get a 1.8-meter single bed. Rest easy during work breaks. Fully recline the front seats and connect them to the second-row seats. You get a 1.8-meter double bed. Relax with family inside the car. Fully fold down the third-row seats. It connects to the trunk, forming a 1.3-meter children’s bed. Let kids play safely inside the car.
The Wanjie M8’s seats can create three beds. It offers a single bed by folding the front passenger seat and connecting it to the second-row seats. It also provides a double bed by folding the front seats and connecting them to the second-row seats. Additionally, it has a children’s bed by folding the third-row seats and connecting them to the trunk. However, it cannot achieve a 2.5-meter camping bed or a 1.9-meter napping bed. In terms of the cabin and assisted driving, both vehicles feature the HarmonyOS cabin and L2-level assisted driving.
The Deep Blue S09 and the Wenjie M8 both feature HarmonyOS 5. The Deep Blue S09 has dual 15.6-inch 2.5K screens. The Wenjie M8 includes a 15.6-inch central control screen and a 16-inch passenger entertainment screen. Both support six-zone voice recognition, visible-to-speak, DeepSeek AI model, smart home connectivity, and seamless phone integration. The Deep Blue S09 also offers a child-specific AI assistant, a custom iQIYI version, and a QQ Music exclusive version. These features cater to the needs of larger families.
Both cars offer L2-level driver assistance features. They support parking navigation, urban driving assistance, lane cruising in urban areas, and highway lane cruising. These features effectively reduce fatigue during city and highway driving. The Deep Blue S09 provides more interior space. The second row includes dual zero-gravity seats. With ventilation, heating, massage, and memory functions, it ensures comfort for all family members. It offers a versatile space with three rooms and five beds. It also includes a climate-controlled fridge, dual 15.6-inch 2.5K screens, a mobile island, a rear entertainment screen, and L2-level driver assistance. These practical features meet the diverse needs of large families, delivering a premium experience starting at 239,900 yuan (32920$). The Wenjie M8 has solid product strength. However, the Deep Blue S09 matches the M8’s value while costing the same as the M7. From both cost-effectiveness and comfort perspectives, the Deep Blue S09 stands out as the better choice.
