Although Toyota Fenglanda and Nissan Qashqai are both Japanese cars, Fenglanda is actually a Corolla Cross, a pure Japanese style;The Qashqai is designed in Europe, and it is the second-generation CMF-CD platform jointly developed by Renault-Nissan, which is the same platform as the Nissan X-Trail and Renault Korega. Therefore, their internal workmanship materials should be different. Let's take these two cars apart today and see how it goes.
Envelope. 
The skin of the Flander is all ordinary stamped steel plate, without any aluminum alloy material. The Nissan Qashqai's hood, front fenders and four doors are made of aluminum, while the rear tailgate is made of PP plastic with glass fiber.
Both the Fenglander and Qashqai have manual struts, but the Qashqai has an extra layer of soundproof cotton and two sealant strips than the Fenglander.
To show the impact of the skin on weight, we weighed the front and rear doors, hoods, fenders, and rear tailgate. As you can see from the results, the total weight of the Velanda skin is 13776 kg, while the Nissan Qashqai has a skin of only 11986 kg, 17 lighter than the Fenglanda9 kg.
Front impact beam. 
The front impact beam of the Fenglander is a double-layer rolled steel plate with a thickness of 124 mm, can cover the front of the car 7273%。The Qashqai is also a double-layer rolled steel plate crash beam with a thickness of 172mm, which can cover the front of the car 7308%。The front impact beams of both cars are of similar material and structure, but the Qashqai is noticeably thicker.
The Qashqai comes with an active grille, while the Flanda doesn't, and both cars are equipped with auxiliary crash beams to prevent pedestrians from getting involved.
The energy-absorbing box of the auxiliary anti-collision beam of Fenglanda is connected with the water tank frame, and the energy-absorbing box of the auxiliary anti-collision beam of Qashqai not only has collapse and punching, but also is thicker, and is connected to the front subframe, which has a better buffer energy-absorbing effect.
The Flander's shotgun structure is a closed loop that creates a deflection in offset collisions, improving crash test scores by 25%, typical of a "test-taking" design. The Qashqai's shotgun, on the other hand, is thicker, with rout folds, and adopts a "hard" strategy.
The Flander adopts a dual energy-absorbing box structure on the TNGA platform with collapse folds and perforations;The Qashqai's front absorber box has a flared shape, also with collapse folds and induced perforations.
Rear impact beam. 
The rear impact beams of both cars are also double-layer rolled steel plates, and the thickness of the rear impact beams of the Fenglanda is 088 mm, can cover 6461% range;The Qashqai's rear impact beam thickness reaches 147 mm, able to cover 6484%。Obviously, the Qashqai's rear impact beam steel plate is a bit thicker.
The Fenglanda post-energy absorbing box is very ordinary, with no collapse folds and no induced punching;The Qashqai's rear energy-absorbing box is designed to be more regular, with complete folds and punches.
Crash test. Both cars have undergone crash tests on the European e-NCAP and both have achieved a good five-star rating. However, from the point of view of sub-items, Qashqai has a higher score on the protection of the passenger compartment in the car, as well as active safety.
In addition, the American IISH of both cars has also been tested for collisions, and both have been awarded the title of "Safe Choice".
Door structure. The front door hinges of the Fenglanda four-door and Qashqai are common stamping parts in Japanese cars.
The rear door hinges of the Qashqai are a common forged part of European cars.
The doors of both cars are welded. However, the Qashqai has rubber blocks attached to the welding site for beautification, while the solder joints of the Flander are basically exposed.
Soundproof cotton. The front door panels of the Flander and Qashqai are covered with sheet metal with corresponding inspection openings. However, the access hatches of the Flander are covered with styrofoam, while the Qashqai is covered with plastic waterproof membrane.
The back door of Fenglanda uses a plastic waterproof membrane, and the rear door of the Qashqai is also a plastic waterproof membrane and pasted with soundproof cotton.
There is a small piece of soundproofing cotton pasted on the interior panel of the Fenglander door, and the soundproofing cotton of the Qashqai is attached to the door waterproof membrane, so there is no soundproofing cotton on the door panel.
Side impact beams. The side impact beams of both vehicles are round tube beams, which are common in Japan.
Toyota Fenglanda.
Nissan Qashqai. The front door of the Flander has one stiffener and the back door has two stiffeners;The Qashqai has a stiffener inside the front and rear doors.
Steel plates for the rear seats.
The rear seat backrests of the Flander do not have steel plates, only a layer of plastic plates;The rear seat backs of the Qashqai are fully protected by steel plates.
Rear headrests. The rear seat headrests of the Fenglander and Qashqai are complete, and none of them are missing.
Floor. Both the Flander and Qashqai are very tightly wrapped in large lines, but the Flander uses plastic tape and the Qashqai uses better cloth tape.
The floor fillers of Fenglanda and Qashqai are made of ** material, Fenglanda uses **cotton, and Qashqai uses **foam sponge. As for the amount of formaldehyde released, it is still necessary to use a professional instrument to measure it.
Through testing, the formaldehyde emission in the Fenglanda floor was measured at 0127 mg per cubic meter;The formaldehyde emission in Qashqai flooring is measured at 0068 mg per cubic meter.
Toyota Fenglanda.
Nissan Qashqai. The formaldehyde emission of the Flander chair is measured at 0027 milligrams per cubic meter, the formaldehyde emission in the roof is measured at 0086 mg per cubic meter;The formaldehyde emission of the Qashqai seat is measured at 0043 milligrams per cubic meter, the formaldehyde emission in the roof is measured at 0014 mg per cubic meter.
Again, we have to stress that our testing methods are relatively extreme, but the test conditions are the same for each car, and the side-by-side comparison is fair.
Interior air. In order to more accurately detect the formaldehyde emission in the interior air, we use "pump sampling" and "phenol reagent spectrophotometry" to test the interior air. This test method is the formaldehyde test method currently used by formal testing institutions.
Test method: The test vehicle will be completely ventilated in a natural environment with the doors and windows openedSubsequently, a silicone hose is fixed near the driver's headrest to simulate the human breathing positionClose the doors and windows and park the vehicle in a constant temperature of 23 1 for 16 hoursUse a sampler to suck out 10 liters of car air from a hose pump and react with the phenol reagent;Drop the chromogen into the phenol reagent and let it stand for 15 minThe aldehyde n-formaldehyde detector was used to test the colored samples and obtain the results.
After 16 hours of containment in a 23-1 constant temperature environment, the formaldehyde emission of the air in the interior of the Flander was measured at 0098 mg per cubic meter;The Qashqai measured formaldehyde emissions from the air inside the car at 0025 mg per cubic meter.
In addition to formaldehyde, TVOC is also an important toxic and harmful gas, which is one of the main reasons for the strong smell in the car. TVOC refers to the general term for all organic gaseous substances in space, such as benzene, alkanes, aromatics, alkenes, ......These organic substances can cause harm to human health. Test method: The test vehicle will be completely ventilated in a natural environment with the doors and windows openedSubsequently, a silicone hose is fixed near the driver's headrest to simulate the human breathing positionClose the doors and windows and park the vehicle in a constant temperature of 23 1 for 16 hoursThe MP181 TVOC detector was used to suck the air in the truck from the hose pump until the value was stable, and the final result was obtained.
After 16 hours of containment at a constant temperature of 23 1, the VOC emission of the air in the Flander vehicle was measured at 145 mg per cubic meter;The measured value of VOC emission in the air in the Qashqai is 051 mg per cubic meter.
Summary
Japanese cars are not Japanese
Although Toyota Fenglander and Nissan Qashqai are both Japanese cars, it can be seen from today's dismantling results that Fenglander is still the original Japanese style;Qashqai, on the other hand, has a more European flavor. Qashqai uses aluminum alloy skin in a large area, and the weight reduction effect is obvious, and there are almost no such extravagant materials at this level;The front and rear impact beam Qashqai are also thicker and have higher crash test scoresFormaldehyde TVOC emissions are lower, and the rear seats of the Qashqai have protective steel plates. Overall, although they are all Japanese cars, the Qashqai is very different from the Japanese cars we have seen before, and it is very not Japanese!
So what about the chassis and interior of these two cars?What is the difference between the engine and gearbox, please continue to pay attention to the subsequent dismantling content. (The conclusion of the measurement data in this article and ** is only responsible for this vehicle, and the measurement data is responsible for the published experimental method.) ）
2023 Toyota Fenglanda impact beam, interior rating
2023 Nissan Qashqai impact beams, interiorScore.