Bolt Pattern5x115
Center Bore70.3
Stud SizeM 12x1.5
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Detailed tire and wheel breakdown for the 2000 Oldsmobile Silhouette

Tire geometry — 215/70R15

The 215/70R15 fitted to the 2000 Oldsmobile Silhouette has a section width of 215mm and an aspect ratio of 70%, mounted on a 15-inch rim. That gives a sidewall height of 150.5mm (5.93") and an overall outside diameter of 682.0mm (26.85"). At highway speed this tire completes roughly 467 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.

Plus-sizing window

If you want to upsize wheels on the 2000 Oldsmobile Silhouette while keeping the speedometer accurate, target a 225/61R16 (plus-one). For a softer ride or winter setup, a 205/80R14 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.

Wheel fitment specs

The 2000 Oldsmobile Silhouette uses a 5x115 bolt pattern with a 70.3mm hub bore. Safe rim width range for the OEM tire is 5.5J – 6.5J, and offsets in the ET45 – ET55 window will clear suspension and fender without rubbing on most setups.

Tire pressure guidance

Manufacturer-recommended cold tire pressure for the 2000 Oldsmobile Silhouette 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%.

Fitment Specifications

Engine & TrimTire SizeRim SizeOffset (ET)
Premiere215/70R1515" x 6.0ET50

Frequently Asked Questions

What tire size does the 2000 Oldsmobile Silhouette Premiere use?

The 2000 Oldsmobile Silhouette Premiere uses 215/70R15 tires as standard equipment.

What is the bolt pattern of the 2000 Oldsmobile Silhouette Premiere?

The 2000 Oldsmobile Silhouette Premiere has a 5x115 bolt pattern with a center bore of 70.3mm.

What is the wheel offset of the 2000 Oldsmobile Silhouette Premiere?

The 2000 Oldsmobile Silhouette Premiere has a wheel offset of ETET50.