Analysis of the Audi Q5 Chassis?

3 Answers
ElizaRose
07/24/25 5:35am
Audi Q5 chassis introduction is as follows: 1. Overview: It adopts a suspension combination of front five-link and rear trapezoidal link. The front suspension is a traditional double-wishbone suspension, with the upper and lower control arms simplified into two pull rods, allowing for more flexible suspension arrangement. The rear suspension consists of an H-shaped control arm, an upper control arm, and another upper control arm. 2. Subframe: The subframe features a frame shape reinforced with two diagonally arranged steel plates, enhancing the overall structure. The subframe is made of steel. 3. Front Suspension: The Audi Q5's front suspension is a five-link type, with the lower control arm and lower rear control arm made of aluminum. The steering tie rod and lower rear control arm have significant bends to prevent interference with the wheels when steering is at full lock, increasing the turning angle. The pivot axis of the lower rear control arm is diagonally arranged to withstand some longitudinal forces from the body. 4. Rear Subframe: The Q5's rear subframe is also frame-shaped, compared to the front subframe, it lacks the cross-reinforcing steel plates but appears larger and more robust. The rear subframe is also made of steel. 5. Rear Suspension: The Audi Q5's rear suspension is in a trapezoidal multi-link form. The H-shaped control arm, seemingly large and bulky, is actually a hollow structure, made of the same aluminum material as the wheel bearing housing. The connection point between the rear suspension spring and the hydraulic shock absorber differs, with an increased spring diameter sufficient to support the Q5's body. The hydraulic shock absorber connects through the H-shaped control arm to the wheel bearing housing.
Was this review help?
17
5
Share
Manuel
08/10/25 11:34pm
I often work on Audi cars, and the Q5's chassis is quite solid with a practical design. The front suspension uses a MacPherson independent structure, which provides agile and quick response during cornering. The rear suspension is a multi-link independent setup that absorbs road bumps, making long drives less tiring. The chassis incorporates a lot of aluminum components, reducing weight while enhancing rigidity, resulting in a strong overall feel and precise steering without drifting. Additionally, the Quattro all-wheel-drive system ensures stability in the city and reliable traction in rain, snow, or off-road conditions. During maintenance, it's important to note that some chassis components are tightly positioned, requiring careful inspection, but their durability is excellent, often lasting years without major issues. Overall, the chassis tuning strikes a good balance between comfort and handling, making it ideal for city commutes and occasional outings.
Was this review help?
7
3
Share
Expand All
BriellaDella
09/24/25 6:50am
I've been driving the Q5 to work for several years, and the chassis has left me with an impression of solid stability. The suspension handles bumpy roads exceptionally well—not too stiff nor too soft, just perfect, and my kids never complain about feeling dizzy in the back seat. The multi-link rear suspension makes going over speed bumps quite smooth, while the front suspension offers agile and light steering. The Quattro system performs impressively on icy winter roads, providing strong grip and high safety. I've tried the adaptive chassis function, which allows switching between soft and firm modes—sport mode offers better support, while comfort mode feels like sitting on a sofa, with stable lane changes on highways. The chassis height is well-designed, handling both city parking and rural dirt roads without significantly affecting fuel consumption. As an owner, I find the Q5's chassis overall reliable, with no major issues, and truly trustworthy.
Was this review help?
13
1
Share
Expand All
More Forum Discussions

What Items Are Included in the Mercedes-Benz 40,000 km B Maintenance?

The maintenance items for a Mercedes-Benz E-Class after driving 40,000 kilometers, in addition to the regular replacement of engine oil and the three filters, include cleaning the throttle body, replacing the spark plugs, and changing the brake fluid. Below are the specific details about car maintenance: 1. Belt Inspection: When starting the car engine or while driving, if you notice a squealing sound from the belt, there are two possible reasons: one is that the belt hasn't been adjusted for a long time, and timely adjustment will solve the issue. The other reason could be belt aging, which requires replacing the belt. 2. Air Filter Inspection: A dirty or clogged air filter can directly lead to increased fuel consumption and poor engine performance. Regularly check the air filter. If there's minimal dust and the clog isn't severe, you can clean it with high-pressure air from the inside out and continue using it. However, a heavily soiled air filter should be replaced promptly. 3. Fuel Filter Inspection: If you notice poor fuel supply, check the fuel filter for clogs. If clogged, replace it immediately. 4. Engine Coolant Level Check: After the engine has cooled, check that the coolant level is between the full and low marks. If not, add distilled water, purified water, or antifreeze immediately, ensuring the level doesn't exceed the full mark. If the coolant level drops rapidly in a short time, check for leaks or visit a professional car maintenance shop for inspection. 5. Tire Inspection: Tire pressure is directly related to tire safety. Both overinflation and underinflation can lead to adverse effects. In summer, when temperatures are high, tire pressure should be slightly lower, while in winter, when temperatures are low, tire pressure should be higher. Also, check for tire cracks. If there are safety hazards, replace the tires promptly. When selecting new tires, ensure they match the original tire model.
4
2
Share

What Are the Phenomena and Causes of Piston Slap in Motorcycles?

Piston Slap: New pistons and old cylinders are not originally matched. Although they may appear to be in good condition, excessive clearance can cause the piston to swing within the cylinder under high-pressure gas during engine operation, resulting in knocking against the cylinder wall. The characteristics include: a clear knocking sound during engine idle; more pronounced knocking when the engine is cold, which diminishes or disappears as the temperature rises; in multi-cylinder engines, the knocking sound weakens or disappears when the affected cylinder is deactivated; injecting a small amount (about 3mL) of engine lubricating oil into the cylinder through the spark plug hole and slowly turning the crankshaft via the kickstarter for about a minute allows the oil to flow between the piston and cylinder, temporarily reducing or eliminating the knocking sound during engine operation. Additionally, piston reverse ellipticity, bent or twisted connecting rods, or excessive tightness in the piston pin and connecting rod bushings (bearings) can also cause piston slap. Piston Pin Knock: The main cause of piston pin knocking is excessive clearance between the piston pin and the connecting rod bushing (or the piston pin bore), leading to the piston pin striking the bushing or bore during engine operation. Characteristics include: a distinct knocking sound during idle and medium-speed operation; the knocking frequency increases with engine speed; the sound does not diminish with rising temperature and may become more pronounced (a key difference from piston slap); the knocking sound weakens or disappears when the cylinder is deactivated, but a noticeable knock or two occurs upon reactivation; the knocking is louder when a stethoscope is placed on the upper half of the cylinder and quieter on the lower half; advancing the ignition timing intensifies the knocking. Piston Ring Slap: This occurs when worn or broken piston rings move loosely within their grooves, striking the cylinder wall. Severe cylinder wear creating a ridge can also cause knocking when new rings hit the ridge. In two-stroke engines, wear of the piston ring locating pin can displace the ring gap into the cylinder port, leading to knocking. Characteristics include: a duller knocking sound; the volume and frequency increase with engine speed, becoming more chaotic; deactivation reduces but does not eliminate the sound, and a 'swishing' noise may occur upon reactivation if the ring is broken.
9
5
Share

What is the Tire Traction Index?

Tire traction index refers to the ability to support vehicle handling. The following is an introduction on how to choose tires: 1. Look at the tire's ply rating: The number is usually represented as 12P.R, indicating 12 plies. This number signifies the nominal number of tire cord layers, not the actual number. A higher number indicates greater tire strength, meaning the tire is thicker and more durable. 2. Look at the tire's cord material: The material of the tire greatly affects its quality. Common materials include N (nylon), G (steel wire), M (cotton), and R (rayon). In China, these are represented by their initials, which is quite characteristic and easy to recognize. These letters usually follow the ply rating. 3. Look at the tire's 3T indicators: These are the treadwear index, traction index, and temperature index. Within the same brand, a higher treadwear index indicates better wear resistance, with 300-540 typically being all-season tires. The traction index is divided into AA, A, B, and C, with AA being the best. Usually, A is common, but B should be avoided as it relates to driving safety—always choose a higher grade. The temperature index is divided into A, B, and C, with A being the best at preventing the tire from generating heat and thus avoiding blowouts.
5
0
Share

What is the urban fuel consumption of the hybrid Accord?

The Accord currently has 9 models on sale. Among them, the Accord-2018-Sharp-Hybrid-2.0L Sharp Premium Edition China VI and Sharp Intelligent Edition China VI, totaling 2 models equipped with a 146 horsepower engine, have an NEDC fuel consumption of 4.4L per 100km. The Accord-2018-Sharp-Hybrid-2.0L Sharp Leading Edition China VI and Sharp Cool Edition China VI, totaling 2 models equipped with a 146 horsepower engine, have an NEDC fuel consumption of 4.2L per 100km. The Accord-2018-260TURBO Flagship Edition China VI, Premium Edition China VI, Luxury Edition China VI, and Elite Edition China VI, totaling 4 models equipped with a 194 horsepower engine, have an NEDC fuel consumption of 6L per 100km. The Accord-2018-230TURBO Comfort Edition China VI, totaling 1 model equipped with a 177 horsepower engine, has an NEDC fuel consumption of 6.4L per 100km. The fuel tank capacity of different Accord models is the same. The distance that can be covered with a full tank of fuel is as follows: Models equipped with a 146 horsepower engine have a fuel tank capacity of 48.5L, and the distance that can be covered with a full tank is 48.5/4.4*100=1102km. Models equipped with a 146 horsepower engine have a fuel tank capacity of 48.5L, and the distance that can be covered with a full tank is 48.5/4.2*100=1155km. Models equipped with a 194 horsepower engine have a fuel tank capacity of 56L, and the distance that can be covered with a full tank is 56/6*100=933km. Models equipped with a 177 horsepower engine have a fuel tank capacity of 56L, and the distance that can be covered with a full tank is 56/6.4*100=875km. The fuel consumption of a car is directly related to five major factors: driving habits, the car itself, road conditions, natural wind, and environmental temperature. Specific factors that can increase a car's fuel consumption are as follows: Driving habits: Aggressive driving, such as sudden acceleration, frequent overtaking, and not releasing the throttle in advance when encountering a red light, will increase fuel consumption. The car itself: Cars with larger displacements generally consume more fuel than those with smaller displacements because larger displacements usually mean higher power, requiring more gasoline to burn and perform work. Cars with greater weight will have higher fuel consumption because greater weight requires more driving torque. Road conditions: Driving on dirt roads, muddy roads, soft surfaces, or mountainous roads increases resistance and fuel consumption. Natural wind: Driving against the wind or on windy days increases car resistance and fuel consumption. Low environmental temperature: When the engine block temperature is low during cold starts, the injected gasoline is less likely to atomize, requiring more gasoline to be injected for combustion, thus increasing fuel consumption. Additionally, at low temperatures, the engine computer will control the engine to run at higher RPMs to warm up, which also increases fuel consumption.
18
4
Share

Can Flood-Damaged Cars Be Sold?

Flood-damaged cars cannot be sold because even after repairs, they can malfunction at any time like a 'ticking time bomb.' The issues with flood-damaged cars are as follows: 1. Frequent electrical failures: The entire vehicle's wiring has been submerged, leading to frequent electrical malfunctions later on. 2. Decreased engine performance: After repairs, the engine's performance declines, and the assembly quality cannot meet original standards. 3. Metal rust: Metal parts are prone to rust, and once rust spots form, they significantly accelerate further corrosion. 4. Unpleasant odors: The car will have a musty smell that is nearly impossible to eliminate.
5
0
Share

Where is the BCM (Body Control Module) located in the Jaguar XF?

Jaguar XF's BCM (Body Control Module) is located beneath the dashboard. Here are some details about the Jaguar XF: 1. Configuration: Upgraded spacious and luxurious rear seating area with a significant 125mm increase in second-row space, featuring a fold-down center armrest for an even more expansive luxury experience. The rear seats offer electric backrest adjustment, allowing the seatback angle to tilt forward by 5 degrees or recline by 7 degrees, combined with winged headrests for enhanced comfort. 2. Body dimensions: Length, width, and height measure 4955mm*1987mm*1496mm respectively.
14
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.