2021 Audi A4 Tire Size Factory tire sizes, bolt pattern & tire pressure
Tire Sizes
225/50R17, 245/40R18
Bolt Pattern
5x112
Offset
35-45
Tire Pressure
35/38 PSI
Tire Sizes by Trim
Tire Specifications for 2021 Audi A4
Overall Diameter
656.8 mm
25.9"
Section Width
225 mm
8.9"
Sidewall Height
112.5 mm
Circumference
2063.4 mm
Revs/Mile
780
Rim Diameter
17"
Alternative Tire Sizes
These sizes are within 3% diameter of the factory 225/50R17 and may fit the 2021 Audi A4.
Related Comparisons
225/45R17 vs 245/40R18 Performance upgrade wider + bigger rim 235/45R18 vs 245/40R18 Wider, lower-profile swap 225/50R17 vs 235/50R18 Plus-one rim and width upgrade 215/55R16 vs 225/50R17 Plus-one with wider tire 245/40R18 vs 255/40R19 Performance car upgrade path 225/40R18 vs 245/40R18 Width upgrade on 18-inch 245/40R18 vs 245/45R18 Profile height comparison 225/50R17 vs 225/55R17 Profile comparison same width 215/50R17 vs 225/50R17 Midsize sedan width upgrade
Other Audi A4 Years
About 2021 Audi A4 Tires
The 2021 Audi A4 uses different tire sizes depending on trim. The bolt pattern is 5x112 with a center bore of 66.6mm, and the recommended offset range is 35-45mm.
Factory recommended tire pressure is 35 PSI (front) and 38 PSI (rear). Always check the tire pressure when tires are cold for the most accurate reading. The tire pressure placard is located on the driver's door jamb.
If you're looking to change tire sizes, the alternatives listed above are within 3% of the factory diameter and should be compatible without modifications. Always verify fender clearance before installing larger tires.