Buick Riviera Wheel Interchange

Compare Buick Riviera wheel specifications across 1 model year. Review bolt patterns, center bore, thread size, and the years that share the same recorded mounting specs.

Years covered1999
Published years1
Bolt patterns found5×115
Center bores found70.3 mm
Thread sizes foundM12×1.5
On this page

Compare Buick Riviera Years

Wheel Specifications by Year

YearBolt patternCenter boreThread sizeOEM rim sizesOffsetDetails
19995×11570.3 mmM12×1.5Not availableNot availableOpen 1999 page

1999

Bolt pattern
5×115
Center bore
70.3 mm
Thread size
M12×1.5
OEM rim sizes
Not available
Offset
Not available
Details
Open 1999 page

Buick Riviera Years With the Same Recorded Mounting Specs

1999

5×115 · 70.3 mm · M12×1.5

These years share the same recorded core mounting specs. Wheel diameter, width, offset, brake clearance, and load rating must still be checked.

Is matching bolt pattern enough?

A matching Buick Riviera bolt pattern is only the first check. The wheel still has to clear the hub, brakes, and suspension, sit at a usable offset, and use the correct fasteners and tire package.

  • Center bore must not be smaller than the hub. A larger bore may need hub-centric rings; it is not an automatic fit.
  • Offset and backspacing change inner and outer clearance even when diameter matches.
  • Wheel width, brake clearance, and suspension travel are trim-specific and are not proven by bolt pattern alone.
  • Lug-seat geometry, thread size, load rating, tire diameter, and TPMS compatibility still need a physical check.

Same recorded specifications are a candidate for further verification, not confirmation that wheels physically fit.

Frequently Asked Questions

What bolt patterns has the Buick Riviera used?

Recorded Buick Riviera bolt patterns for 1999 are 5×115. A year may have more than one configuration, so confirm the year page before buying wheels.

Do all Riviera years use the same wheel specs?

This page currently covers one published Riviera year. Open that year page for the recorded wheel specifications.

How can I compare two Riviera years?

Use Compare Years at the top of this page to select a donor year and an installed-on year. The result compares recorded bolt pattern, center bore, thread size, rim diameter, rim width, offset, backspacing, and tire size, then links to both year pages and the wheel calculator.

Is matching the bolt pattern enough?

No. Matching bolt pattern alone is not enough. Center bore, offset, backspacing, wheel width, brake and suspension clearance, lug-seat geometry, load rating, tire diameter, and TPMS compatibility must still be verified.

What should I check before installing wheels from another year?

Confirm the recorded core mounting specs, then verify wheel width, offset/backspacing, brake and suspension clearance, lug-seat geometry, load rating, tire diameter, and TPMS compatibility. This page reports recorded specifications and does not certify installation.