2021 Lincoln Aviator Tire Size Factory tire sizes, bolt pattern & tire pressure

Tire Sizes

255/55R20, 275/45R21

Bolt Pattern

5x114.3

Offset

35-45

Tire Pressure

35/35 PSI

Tire Sizes by Trim

Trim	Tire Size	Bolt Pattern	Pressure (F/R)
Standard	255/55R20	5x114.3	35/35 PSI
Reserve	275/45R21	5x114.3	35/35 PSI

Tire Specifications for 2021 Lincoln Aviator

Overall Diameter

788.5 mm

31"

Section Width

255 mm

10"

Sidewall Height

140.3 mm

Circumference

2477.1 mm

Revs/Mile

650

Rim Diameter

20"

View full 255/55R20 specifications & alternatives →

Alternative Tire Sizes

These sizes are within 3% diameter of the factory 255/55R20 and may fit the 2021 Lincoln Aviator.

165/85R20 Safe 0.0% diff 255/60R19 Safe 0.0% diff 255/50R21 Safe 0.0% diff 195/85R18 Safe 0.0% diff 255/65R18 Safe 0.0% diff 255/45R22 Safe 0.0% diff 235/65R19 Safe 0.1% diff 175/80R20 Safe 0.1% diff

Other Lincoln Aviator Years

2025 Lincoln Aviator 255/55R20, 275/45R21, 275/40R22 2024 Lincoln Aviator 255/55R20, 275/45R21, 275/40R22 2023 Lincoln Aviator 255/55R20, 275/40R22 2022 Lincoln Aviator 255/55R20, 275/40R22 2020 Lincoln Aviator 255/55R20, 275/45R21

About 2021 Lincoln Aviator Tires

The 2021 Lincoln Aviator uses different tire sizes depending on trim. The bolt pattern is 5x114.3 with a center bore of 63.4mm, and the recommended offset range is 35-45mm.

Factory recommended tire pressure is 35 PSI (front) and 35 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.