1991 Mazda MX-5 Bolt Pattern & Tire Size
The 1991 Mazda MX-5 OEM tire size, bolt pattern, and wheel specifications are listed below. All data is based on industry-standard OEM reference specifications.
The 1991 Mazda MX-5 has a 4x100 bolt pattern, an OEM tire size of 185/60R14, and a 54.1mm center bore.
Other years of the Mazda MX-5
1991 Mazda MX-5 Engine & Trim Levels
Detailed tire and wheel breakdown for the 1991 Mazda MX-5
Tire geometry β 185/60R14
The 185/60R14 fitted to the 1991 Mazda MX-5 has a section width of 185mm and an aspect ratio of 60%, mounted on a 14-inch rim. That gives a sidewall height of 111.0mm (4.37") and an overall outside diameter of 577.6mm (22.74"). At highway speed this tire completes roughly 551 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 1991 Mazda MX-5 while keeping the speedometer accurate, target a 195/50R15 (plus-one). For a softer ride or winter setup, a 175/71R13 (minus-one) keeps the overall diameter within Β±3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 1991 Mazda MX-5 uses a 4x100 bolt pattern with a 54.1mm hub bore. Safe rim width range for the OEM tire is 5.0J β 6.0J, and offsets in the ET40 β ET50 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 1991 Mazda MX-5 is printed on the driver-side door jamb sticker β 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 1991 Mazda MX-5 Base use?
The 1991 Mazda MX-5 Base uses 185/60R14 tires as standard equipment.
What is the bolt pattern of the 1991 Mazda MX-5?
The 1991 Mazda MX-5 has a 4x100 bolt pattern with a center bore of 54.1mm.
What is the wheel offset of the 1991 Mazda MX-5?
The 1991 Mazda MX-5 has a wheel offset of ET45.
Other Vehicles with 4x100 Bolt Pattern
The following vehicles share the same 4x100 bolt pattern as the 1991 Mazda MX-5, making wheel interchangeability possible (verify offset and center bore before swapping).