2025 Audi A6 Tire Size Factory tire sizes, bolt pattern & tire pressure

Tire Sizes

225/55R18, 245/45R19, 255/40R20

Bolt Pattern

5x112

Offset

30-42

Tire Pressure

35/38 PSI

Tire Sizes by Trim

Trim	Tire Size	Bolt Pattern	Pressure (F/R)
Premium 45 TFSI	225/55R18	5x112	35/38 PSI
Premium Plus 55 TFSI quattro	245/45R19	5x112	35/38 PSI
Prestige 55 TFSI quattro	255/40R20	5x112	35/38 PSI

Tire Specifications for 2025 Audi A6

Overall Diameter

704.7 mm

27.7"

Section Width

225 mm

8.9"

Sidewall Height

123.8 mm

Circumference

2213.9 mm

Revs/Mile

727

Rim Diameter

18"

View full 225/55R18 specifications & alternatives →

Alternative Tire Sizes

These sizes are within 3% diameter of the factory 225/55R18 and may fit the 2025 Audi A6.

165/75R18 Safe 0.0% diff 275/45R18 Safe 0.0% diff 195/70R17 Safe 0.0% diff 185/60R19 Safe 0.0% diff 155/80R18 Safe 0.1% diff 245/40R20 Safe 0.1% diff 175/85R16 Safe 0.1% diff 165/60R20 Safe 0.2% diff

Related Comparisons

225/55R18 vs 235/55R19 Crossover size upgrade 245/40R20 vs 255/40R20 Width upgrade 20-inch 215/60R17 vs 225/55R18 Crossover rim upgrade 225/55R18 vs 235/55R18 Midsize SUV width upgrade 225/55R18 vs 245/50R19 SUV plus-one wider upgrade 245/45R19 vs 255/40R20 Performance plus-one upgrade 225/50R18 vs 245/45R19 Plus-one wider sedan 215/55R18 vs 225/55R18 EV crossover width upgrade

Other Audi A6 Years

2024 Audi A6 225/55R18, 245/45R19, 255/40R20 2023 Audi A6 225/55R18, 255/40R20 2022 Audi A6 225/55R18, 255/40R20 2021 Audi A6 225/55R18, 245/45R19 2020 Audi A6 225/55R18, 245/45R19

About 2025 Audi A6 Tires

The 2025 Audi A6 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 30-42mm.

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.