2023 Fiat 500 Bolt Pattern & Tire Size
The 2023 Fiat 500 OEM tire size, bolt pattern, and wheel specifications are listed below. All data is based on industry-standard OEM reference specifications.
The 2023 Fiat 500 has a 4x98 bolt pattern, an OEM tire size of 185/55R15, and a 58.1mm center bore.
Other years of the Fiat 500
2023 Fiat 500 Engine & Trim Levels
Detailed tire and wheel breakdown for the 2023 Fiat 500
Tire geometry — 185/55R15
The 185/55R15 fitted to the 2023 Fiat 500 has a section width of 185mm and an aspect ratio of 55%, mounted on a 15-inch rim. That gives a sidewall height of 101.8mm (4.01") and an overall outside diameter of 584.5mm (23.01"). At highway speed this tire completes roughly 545 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 2023 Fiat 500 while keeping the speedometer accurate, target a 195/46R16 (plus-one). For a softer ride or winter setup, a 175/65R14 (minus-one) keeps the overall diameter within ±3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 2023 Fiat 500 uses a 4x98 bolt pattern with a 58.1mm hub bore. Safe rim width range for the OEM tire is 5.5J – 6.5J, and offsets in the ET30 – ET40 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 2023 Fiat 500 is printed on the driver-side door jamb sticker — always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.
OEM Wheel & Tire Specs
Frequently Asked Questions
What tire size does the 2023 Fiat 500 Lounge use?
The 2023 Fiat 500 Lounge uses 185/55R15 tires as standard equipment.
What is the bolt pattern of the 2023 Fiat 500?
The 2023 Fiat 500 has a 4x98 bolt pattern with a center bore of 58.1mm.
What is the wheel offset of the 2023 Fiat 500?
The 2023 Fiat 500 has a wheel offset of ET35.
Other Vehicles with 4x98 Bolt Pattern
The following vehicles share the same 4x98 bolt pattern as the 2023 Fiat 500, making wheel interchangeability possible (verify offset and center bore before swapping).