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OEM Wheel Upgrade 17" to 19" Questions

BradyB0225

Member
66
31
18
Buick Ownership
1992 Riviera
I'm ordering a set of Pirelli P Zero All Seasons (I've liked those in the past). If I go with 235/40r19s I lose a couple of pounds in tire weight as they are only 24 lb. The downside to 234 vs 245 is that my speedo will be off by 1 mph at 80 mph (26.74" v 26.4" dia).
 

BradyB0225

Member
66
31
18
Buick Ownership
1992 Riviera
47.8 lb to 59 lb... 20210116_145111.jpg
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BradyB0225

Member
66
31
18
Buick Ownership
1992 Riviera
My car handles a lot better and is much more responsive. Of course these tires make a bit more noise and transfer impact a bit more to the chassis. So far I like them. 👍I can't wait to get my lowering springs installed.
 

ZB Commodore Owner

New member
22
13
3
Hamilton, New Zealand
Buick Ownership
2019 Holden ZB Commodore RSV Liftback 3.6 AWD
The new rims look very sharp. (y)

Is the car colour Mineral Back? If so it's the same as mine.

Though the last picture makes if look like a dark blue.
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ZB Commodore Owner

New member
22
13
3
Hamilton, New Zealand
Buick Ownership
2019 Holden ZB Commodore RSV Liftback 3.6 AWD
Nice colour.

We have that colour here but it's not very common as it was only available on two of the six models sold here, the Calais and Calais V. The Calais models being the luxury models of the 2.0 L and 3.6 L models respectively.
 
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