What is the size of the spare tire for the Audi A6L?
3 Answers
Audi A6L spare tire size is T145/60R20. The spare tire size refers to the size of the spare tire relative to the daily-use tires. Modern vehicles are equipped with one or more spare tires, and spare tire sizes are categorized into full-size spare tires, non-full-size spare tires, and no spare tire. The all-new Audi A6L adopts an advanced optimization concept based on the longitudinal modular platform. During the early development stage, computer simulations were used to adjust millions of degrees of freedom, making it possible to simulate overall vehicle noise and vibrations. 1. Structural components of the body were reinforced within a vibration frequency range of 30Hz to initially achieve an ideal level of vibration comfort. 2. Further simulation analysis was conducted to study the transmission paths of tire noise and other vibration noises through structural components. Noise level analysis identified weak points in sound insulation, and finite element analysis was used to optimize component structures and improve noise comfort. 3. In addition to tire noise, engine and transmission noise also contribute significantly to driving noise. To maintain low noise levels inside the cabin, high-frequency vibration components must be optimized. Taking the transmission as an example, during its development, the position of noise sources and the sequence of noise transmission were strictly controlled. Hydraulic mounts, individual rubber springs, and other components were added to the noise transmission path to minimize resonance, resulting in significant improvements in high-frequency noise above 400Hz.
As someone who has driven several generations of the Audi A6L, I want to talk about the spare tire size issue. The Audi A6L comes with a compact spare tire, typically sized T125/70 R17, which is much narrower and smaller than the regular tires. This design aims to save trunk space and reduce vehicle weight, making it suitable only for emergency use. After installation, you must drive below 80 km/h, as exceeding this speed can compromise stability due to the smaller spare tire. Placing it on the front wheels offers better handling than the rear wheels, helping to avoid skidding. Regularly check the spare tire pressure—recommended at around 4.2 Bar—and inspect it every six months to prevent air leaks. The tools for changing the tire are stored in the spare tire compartment in the trunk, and the built-in jack should be positioned at the marked points under the car—don’t get this wrong. The smaller size is a reminder to repair or replace the original tire as soon as possible. The last time I used it, I drove only ten kilometers before heading to the shop for a new tire. While practical, you must drive carefully to prevent accidents.
I often work at the car dealership and handle spare tires for the Audi A6L. The size is typically a narrow tire like T125/70 R17, designed for emergency use and space-saving purposes, not as a full-size replacement. The spare tire material is thin and not durable for prolonged use, with a recommended pressure setting of around 4.2 Bar—too high may cause a blowout, while too low can lead to instability. When changing the tire, first ensure the car is parked and the handbrake is engaged, then use the jack at the designated points on the chassis and align the wheel bolts with the hub holes. It's better to install the spare tire on the rear wheels since front-wheel-drive cars experience less force there. There's a speed limit of 80 km/h due to the size constraints, and avoid long-distance driving to prevent suspension wear. The spare tire in the trunk comes with a dedicated toolkit—don’t misplace it. The compact size is intended to reduce weight and improve fuel efficiency. If the spare tire shows signs of aging like cracks, replace it promptly—don’t compromise on safety, as it should always come first.
