
When the car first starts moving, the reasons for abnormal noises are as follows: 1. The car has not been used for a long time: The engine oil will return to the oil pan, meaning the top part of the engine, specifically the valve chamber, will have less oil. Because the valves lack the sealing and lubrication provided by the oil, abnormal noises can be heard from the bottom of the car when it first starts. This situation is normal. 2. Issues with the engine belt: Abnormal noises from the engine belt are usually due to the belt being dirty. Cleaning it with water or applying some lubricant can eliminate the noise. However, whether this solution is suitable for all car models requires further analysis.

I drove an A4L for several years and found the Michelin Primacy 4 series tires to be the most reliable. The typical size is 245/40R18—durable, fuel-efficient, and excellent at noise control, making them stress-free for both city commutes and long highway drives. Although they're a bit pricier, each tire lasts 40,000–50,000 km, so they actually save money in the long run. Remember to check tire pressure and wear regularly for safety and longevity. Choosing tires also depends on driving habits—if you frequently drive in the city like me, a design with strong grip reduces skidding risks. In short, investing in durability and comfort pays off over time.

I particularly love the comfort of , so when choosing tires, I prioritize quietness and shock absorption. The Continental PremiumContact 6 is my top choice—it's rock-solid during high-speed cornering and excels in vibration absorption, making the drive feel like gliding on a smooth carpet. Although it's slightly softer, it perfectly matches Audi's luxurious tuning. Don't forget to match the size—original specifications like 245/45R17 can avoid handling deviations. Regular maintenance is key; check for debris stuck in the treads and don't wait until excessive wear to replace them. Spending a bit more on premium tires significantly enhances the driving experience.

As a driving enthusiast, I highly recommend the Pirelli P Zero series for the A4L. Its exceptional grip performs brilliantly in both dry and wet conditions, delivering rapid response and precise handling especially when taking mountain curves. This tire is perfect for those who prioritize acceleration and braking performance - though pricey, it's worth every penny. The most common size 245/40R18 ensures perfect compatibility with the original vehicle. Remember to avoid high-speed emergency braking in daily use to minimize tread wear. In short, if you're passionate about driving, high-performance tires are absolutely the top choice.

Safety is my top priority when driving, and the Goodyear EfficientGrip Performance tires on my A4L perform exceptionally well. They provide excellent grip on wet roads and in winter conditions, with a design specifically aimed at preventing hydroplaning, significantly reducing accident risks. I recommend using all-season or winter tires, keeping the size at 245/40R18. Regularly check the tread depth—replace them if it goes below 1.6mm, which I measure during every maintenance check. Don’t compromise safety by opting for cheap, low-quality tires; prioritizing safety is the real cost-saver. Make it a habit to remove stones and debris, and ensure even wear for better performance.

I often research the cost-performance of tires. For the A4L, the Hankook Ventus S1 noble2 offers great value. It delivers balanced performance with good dry and wet traction, yet costs only half as much as premium brands. The size 245/40R18 fits perfectly, and it wears normally after several years of use. I recommend sticking with mainstream brands rather than chasing trends—put the savings toward regular maintenance, like checking tire pressure monthly. For those on a budget, this choice balances quality and cost while providing a decent driving experience.


