What is the tire size of the Audi A4?

3 Answers
Desiree
07/24/25 3:52pm
The base model Audi A4 uses tires sized 225/55R16, while the higher-end model uses 225/50R17. Tire size markings typically appear in formats like: 215/70R15, where the numbers represent: 1. 215 indicates the tire section width in millimeters, generally ranging from 145-285mm in 10mm increments. 2. 70 is the aspect ratio - the percentage ratio of tire sidewall height to section width. 70 represents 70%, with normal aspect ratios between 30%-80%. Regular sedans shouldn't use tires with aspect ratios >75%, while luxury cars and high-performance sports cars recommend ratios <60%. 3. R stands for Radial, indicating radial tire construction. 4. 15 represents the rim diameter in inches.
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ReidDella
08/10/25 7:32am
As someone who often helps friends check their beloved cars, I've noticed that the Audi A4 typically comes with tire sizes of 225/50 R17, though this can vary depending on the model year and wheel size—standard versions usually feature 17-inch wheels, while sport or high-end trims can go up to 18 or 19 inches. For example, the 2022 A4 I checked for my neighbor last week originally had 225/50 R17 tires, but after an upgrade, they changed to 245/40 R19, offering better stability but more pronounced road feedback. The key is to regularly check tire pressure and monitor tread wear, especially before rainy days or long trips, as this can extend tire life by several years. I recommend consulting the vehicle's "Owner's Manual" or using the VIN to check factory specifications to avoid purchasing mismatched tires that could pose safety risks—after all, incorrect sizes can affect braking distance and fuel consumption.
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McGrant
09/25/25 7:49am
Hey buddy, chatting about Audi A4 tires is so interesting! Its standard tire size is around 225/50 R17, with most wheel rims starting at 17 inches. I often organize meetups for car enthusiasts and found that the actual size depends on factory settings—for example, the base model uses 17-inch rims, the sport version comes with 18-inch, and the top trim can go up to 19-inch large rims. If you're considering an upgrade, switching to wider tires like 245/40 R19 can improve cornering grip, but remember to check the wheel arch clearance to avoid rubbing. The tire brand is also crucial—I prefer Michelin or Pirelli, and switching to winter tires is safer when it snows. Don’t skimp on daily-use tires; precise sizing can save fuel and extend mileage.
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